Husqvarna Wacker Neuson CRT60-74LX Operator's Manual
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Husqvarna Wacker Neuson CRT60-74LX Operator's Manual

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CRT 60-74LX
Huskvarna, 2019-12-01
Operator's manual, EN
Dear customer,
Thank you for choosing a Husqvarna quality product. We hope that you will
genuinely enjoy it.
Please note that the enclosed manual contains Wacker Neuson references.
The Husqvarna Group is vouching for the quality of this product.
If you have any questions, please do not hesitate to contact our local sales or
service point, or visit www.husqvarnacp.com.
Husqvarna AB
SE-561 82 Huskvarna, Sweden
1142223-26

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Summary of Contents for Husqvarna Wacker Neuson CRT60-74LX

  • Page 1 Huskvarna, 2019-12-01 Operator’s manual, EN Dear customer, Thank you for choosing a Husqvarna quality product. We hope that you will genuinely enjoy it. Please note that the enclosed manual contains Wacker Neuson references. The Husqvarna Group is vouching for the quality of this product.
  • Page 2 Operator’s Manual Ride-On Trowel CRT60-74LX Type CRT60-74LX Document 5100038827 Date 0918 Revision Language...

  • Page 3: California Proposition 65 Warning

    CALIFORNIA Proposition 65 Warning CALIFORNIA Proposition 65 Warning WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. WARNING Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.
  • Page 4 CALIFORNIA Proposition 65 Warning Notes wc_tx004643en.fm...

  • Page 5: Foreword

    CRT60-74LX Foreword Foreword SAVE THESE INSTRUCTIONS—This manual contains important instructions for the machine models below. These instructions have been written expressly by Wacker Neuson Production Americas LLC and must be followed during installation, operation, and maintenance of the machines. Machine Item Number CRT60–74LX 5100038000...
  • Page 6 Foreword CRT60-74LX Expectations ■ This manual provides information and procedures to safely operate and maintain the above Wacker Neuson model(s). For your own safety and to information in reduce the risk of injury, carefully read, understand, and observe all instructions this manual described in this manual.
  • Page 7 CRT60-74LX Foreword Abbreviations Abbreviation or Abbreviation Definition Definition Acronym or Acronym Accelerator Speed Control Left Auxiliary Mass Air Flow BATT Battery Pressure Limiter Controller Area Network Lead Cadmium Personal Protective Equipment Crank Position Power Takeoff Camshaft Position Quick Response Ride-on Concrete Trowel Reverse Diagnostic Trouble Code Right...
  • Page 8 Foreword CRT60-74LX Notes wc_tx003643gb_FM10.fm...

  • Page 9: Table Of Contents

    CRT60-74LX Table of Contents CALIFORNIA Proposition 65 Warning Foreword Safety Information Signal Words Used in this Manual ............. 13 Machine Description and Intended Use ..........14 Safety Guidelines for Operating the Machine ........15 Service Safety ..................17 Operator Safety while Using Internal Combustion Engines ....19 Hydraulic Oil Safety ................

  • Page 10: Prepare For Safe Operation

    Table of Contents CRT60-74LX Steering ....................47 Changing the Steering Mode .............. 48 Adjusting the Pitch ................49 5.10 Using the Retardant Spray System ............ 50 5.11 Operating the Cruise Control .............. 51 5.12 Operating the Gyroscopic Steering Assist .......... 52 5.13 Using the Work Lights .................
  • Page 11 CRT60-74LX Table of Contents Engine Maintenance: Kohler (T4f) Troubleshooting Machine Troubleshooting ..............86 Hydraulic System Troubleshooting ............. 88 Hydraulic Manifold ................90 Instrument Display Warning Symbols ..........92 Diagnostic Trouble Codes (DTC) Accessing DTCs through engine CAN ..........93 Engine Error Codes ................94 List of Engine Diagnostic Trouble Codes (DTCs) .......
  • Page 12 Table of Contents CRT60-74LX wc_bo5100038827_02TOC.fm...

  • Page 13: Safety Information

    CRT60-74LX Safety Information Safety Information Signal Words Used in this Manual This manual contains DANGER, WARNING, CAUTION, NOTICE, and NOTE signal words which must be followed to reduce the possibility of personal injury, damage to the equipment, or improper service. This is the safety alert symbol.

  • Page 14: Machine Description And Intended Use

    Safety Information CRT60-74LX Machine Description and Intended Use This machine is a ride-on concrete finishing trowel. The Wacker Neuson Ride-On Trowel consists of a frame onto which is mounted a diesel engine, a fuel tank, a water tank, two hydraulic motors, a hydraulic control module, and an operator’s platform with controls and a seat.

  • Page 15: Safety Guidelines For Operating The Machine

    CRT60-74LX Safety Information Safety Guidelines for Operating the Machine Operator Before operating the machine: training ■ Read and understand the operating instructions contained in all manuals delivered with the machine. ■ Familiarize yourself with the location and proper use of all controls and safety devices.
  • Page 16 Safety Information CRT60-74LX ■ Do not operate the machine if any safety devices or guards are missing or inoperative. ■ Do not modify or defeat the safety devices. ■ Only use accessories or attachments that are approved by Wacker Neuson. Safe When operating this machine: operating...

  • Page 17: Service Safety

    CRT60-74LX Safety Information Service Safety Service Before servicing or maintaining the machine: training ■ Read and understand the instructions contained in all manuals delivered with the machine. ■ Familiarize yourself with the location and proper use of all controls and protective devices.
  • Page 18 Safety Information CRT60-74LX When cleaning the machine: ■ Do not clean the machine while it is running. ■ Never use gasoline or other types of fuels or flammable solvents to clean the machine. Fumes from fuels and solvents can become explosive. Personal Wear the following Personal Protective Equipment (PPE) while servicing or Protective...

  • Page 19: Operator Safety While Using Internal Combustion Engines

    CRT60-74LX Safety Information Operator Safety while Using Internal Combustion Engines WARNING Internal combustion engines present special hazards during operation and fueling. Failure to follow the warnings and safety standards could result in severe injury or death. ► Read and follow the warning instructions in the engine owner’s manual and the safety guidelines below.

  • Page 20: Hydraulic Oil Safety

    Safety Information CRT60-74LX Hydraulic Oil Safety WARNING Possibility of severe injury. Hydraulic oil is under high pressure and becomes very hot during operation. ► To avoid injury, obey the safety instructions listed below. Safety ■ Inspect the hydraulic system thoroughly before operating the machine. instructions ■...
  • Page 21 CRT60-74LX Safety Information Notes wc_si000852gb_FM10.fm...

  • Page 22: Labels

    Labels CRT60-74LX Labels Label Locations wc_gr014480 wc_si000853gb_FM10.fm...

  • Page 23: Label Meanings

    CRT60-74LX Labels Label Meanings NOTICE NOTICE NOTICE Lifting point AVISO AVISO AVIS AVIS 178709 178709 111418 111418 WARNING Pressurized contents. Do not open when hot! WARNING WARNING ADVERTENCIA ADVERTENCIA AVERTISSEMENT AVERTISSEMENT 110164 110164 178711 Read and understand the supplied Operator’s WARNING WARNING Manual before operating this machine.
  • Page 24 Labels CRT60-74LX WARNING Do not use starting agents. WARNING WARNING ADVERTENCIA ADVERTENCIA AVERTISSEMENT AVERTISSEMENT 5200005890 5200005890 Steering control. See Steering. 158722 158722 Starting and stopping procedures To start: 1. Turn the key switch to the START position. 5 min 5 min 2.
  • Page 25 CRT60-74LX Labels Tie-down point Operator’s Manual must be stored on machine. OPERATOR'S MANUAL MUST BE STORED ON MACHINE. OPERATOR'S MANUAL MUST BE STORED ON MACHINE. Replacement Operator’s Manual can be ordered REPLACEMENT OPERATOR'S MANUAL CAN BE ORDERED REPLACEMENT OPERATOR'S MANUAL CAN BE ORDERED through your local Wacker Neuson distributor.
  • Page 26 Labels CRT60-74LX DANGER Asphyxiation hazard DANGER DANGER Engines emit carbon monoxide. ■ PELIGRO PELIGRO DANGER DANGER Do not run the machine indoors or in an ■ enclosed area unless adequate ventilation, through such items as exhaust fans or hoses, is provided. DIESEL DIESEL STOP...
  • Page 27 CRT60-74LX Labels WARNING Hot surface WARNING WARNING ADVERTENCIA ADVERTENCIA AVERTISSEMENT AVERTISSEMENT 117039 178713 178713 178729 178729 WARNING Hand entanglement hazard. Moving parts can crush and cut. Do not operate with guard removed. WARNING WARNING ADVERTENCIA ADVERTENCIA AVERTISSEMENT AVERTISSEMENT 154657 154657 178717 178717 Emergency stop...
  • Page 28 Labels CRT60-74LX WARNING Keep all sparks and open flames away from ■ the battery. Wear eye protection. ■ Keep away from children. ■ Battery acid is poisonous and corrosive. ■ Read the Operator’s Manual. ■ Explosion hazard. ■ Dispose of waste batteries in accordance with local environmental regulations.
  • Page 29 CRT60-74LX Labels Use only Wacker Neuson hydraulic oil USE ONLY P/N 5100029012 (5 gallons) WACKER NEUSON HYDRAULIC OIL or 5100029013 (55 gallons) P/N 5100029012 (5GAL) OR 5100029013 (55GAL) www.wackerneuson.com Industry Canada ICES-002 Compliance Label: CAN ICES-2/NMB-2 Hydraulic oil level 5100040086 NOTICE NOTICE Check hydraulic oil.

  • Page 30: Lifting And Transporting

    Lifting and Transporting CRT60-74LX Lifting and Transporting Lifting the Machine Requirements ■ Lifting equipment (crane, hoist, or forklift truck) capable of supporting the machine’s weight. See the Technical Data chapter. ■ Lifting devices (hooks, chains, and shackles) capable of supporting the machine’s weight.
  • Page 31 CRT60-74LX Lifting and Transporting wc_gr012649 wc_tx003644gb_FM10.fm...

  • Page 32: Transporting The Machine

    Lifting and Transporting CRT60-74LX Transporting the Machine Requirements ■ Transporting vehicle has enough weight-bearing capacity to transport the machine safely. See chapter Technical Data. ■ Transporting vehicle has appropriate tie-down connection points. ■ Appropriate chains and cables Procedure 1. Ensure that the wheel kit (a) is stored in the raised position. See Using the Wheel Kit.
  • Page 33 CRT60-74LX Lifting and Transporting Notes wc_tx003644gb_FM10.fm...

  • Page 34: Controls

    Controls CRT60-74LX Controls Control and Component Locations wc_gr014481 wc_tx004017gb_FM10.fm...

  • Page 35: Control And Component Descriptions

    CRT60-74LX Controls Control and Component Descriptions Ref. Description Function Right pitch control Sets the angle of the trowel blades Fuel tank Holds the diesel fuel Joysticks Controls the travel direction and rotation of the machine Operator’s seat with operator Allows the engine to run (idle) with no operator in the seat, but presence switch no blade movement Left pitch control...

  • Page 36: Instrument Display

    Controls CRT60-74LX Operator The Ride-On Trowel features a seat with an integrated operator presence system presence which works in conjunction with the engine controller. This system allows the system engine to remain running with no operator in the seat, but will not allow blade movement.

  • Page 37: Instrument Display Symbols And Functions

    CRT60-74LX Controls Instrument display Ref. Symbol Color Function indicator Yellow Engine preheating lights Battery charge Engine coolant temperature General malfunction — Selector button (Instrument Display) — To next menu page or set (Instrument Display) — Instrument Display (See Instrument Display Symbols and Functions) 100°...
  • Page 38 Controls CRT60-74LX Symbol Function Fuel level Hydraulic oil temperature Water in fuel system Cruise control Slow engine speed Fast engine speed Steering mode Operator not present Engine error Machine error Engine data wc_tx004017gb_FM10.fm...
  • Page 39 CRT60-74LX Controls Symbol Function Machine data Instrument display settings Detailed engine speed Detailed engine coolant temperature Detailed electrical system voltage Setting of display brightness Setting of display contrast Setting of time and date Low fuel level Hydraulic oil warm-up Hydraulic oil filter needs to be replaced High hydraulic oil temperature warning Hydraulic system pressures wc_tx004017gb_FM10.fm...

  • Page 40: Instrument Display Menu Behavior

    Controls CRT60-74LX Instrument Display Menu Behavior When a control is activated, the display will show the newly activated control symbol in the center of the instrument display for a few seconds and then return to the home display mode. Note: Most, but not all, of the new commands will remain showing in one of the top five windows until it is changed.
  • Page 41 CRT60-74LX Controls Hydraulic This window displays the charge oil pressure, auxiliary pressure, left pressure, and system right pressure. pressures wc_gr014655 Engine This window contains the error messages reported from the engine controller. controller error codes wc_gr014656 Engine This window displays the engine speed, engine coolant temperature, and electrical information system voltage.
  • Page 42 Controls CRT60-74LX Machine This window on the left contains the error codes reported from the machine controller controller. error codes wc_gr014658 Machine This window displays the software material number, software material number information revision, hardware material number, and hardware material number revision.. wc_gr014659 Instrument This screen allows the operator to adjust the brightness (a) and contrast (b) of the...

  • Page 43: Clock Display

    CRT60-74LX Controls Clock Display The clock displays the current time in 12-hour format without AM or PM indication. When the clock is activated, it replaces the hour meter on the instrument display screen. wc_gr014660 wc_tx004017gb_FM10.fm...

  • Page 44: Operation

    Operation CRT60-74LX Operation Preparing the Machine for First Use 1. Make sure all loose packaging materials have been removed from the machine. 2. Check the machine and its components for damage. If there is visible damage, do not operate the machine! Contact your Wacker Neuson dealer immediately for assistance.

  • Page 45: Recommended Fuel

    CRT60-74LX Operation Recommended Fuel The engine requires the same type of diesel fuel as used in cars (EN590 for E.U. - ASTM D975-09B regulation - S 15 for U.S). Use of other types of fuel could damage the engine. Biodiesel fuels containing 10% methyl ester or BIO are suitable for use, provided they meet the specifications listed in the engine manual.

  • Page 46: Inspecting The Hydraulic System

    Operation CRT60-74LX Inspecting the Hydraulic System This machine features several components that are powered by hydraulic oil. These include the drive motors, wheel kit, and the pitch cylinders. A diagram of the hydraulic system is provided in the Schematics chapter at the back of this Operator’s Manual.

  • Page 47: Steering

    CRT60-74LX Operation Steering The joysticks (c) control the travel direction and rotation of the machine. wc_gr014514 Joystick Refer to the illustration for the necessary joystick motions to move the trowel in the motions desired direction. 1 — forward 2 — reverse 3 —...

  • Page 48: Changing The Steering Mode

    Operation CRT60-74LX Changing the Steering Mode The steering mode button (u) allows the operator to change the response of the joysticks depending upon the intended machine movement or concrete surface condition. Press the steering mode button to change between the two response modes.

  • Page 49: Adjusting The Pitch

    CRT60-74LX Operation Adjusting the Pitch Changing the pitch (angle) of the trowel blades enables the operator to finish concrete from the wet surface stage through the hard finishing stage (burnishing). 5-10 ¢ 15¢ 20-25¢ wc_gr014517 Procedure Perform the procedure below to change or set the pitch angle of the trowel blades. 1.

  • Page 50: Using The Retardant Spray System

    Operation CRT60-74LX 5.10 Using the Retardant Spray System The retardant spray system is controlled by a switch located on the right joystick. Requirements ■ Water or water-based retardant in water tank ■ Ambient temperature above freezing Procedure Perform the procedure below to operate the retardant spray system. 1.

  • Page 51: Operating The Cruise Control

    CRT60-74LX Operation 5.11 Operating the Cruise Control The machine is equipped with an automatic blade speed control (“cruise control”) system. When activated, the cruise control maintains rotor speed while allowing the operator to remove his/her foot from the foot pedal. The cruise control system is activated by the switch (l) next to the right joystick.

  • Page 52: Operating The Gyroscopic Steering Assist

    Operation CRT60-74LX 5.12 Operating the Gyroscopic Steering Assist The machine is equipped with a gyroscopic steering assist system. When activated, the steering assist helps the operator maintain forward and reverse headings by reducing nuisance machine rotation due to variations in the concrete surface.

  • Page 53: Using The Work Lights

    CRT60-74LX Operation 5.13 Using the Work Lights The machine is equipped with three pairs of work lights. The work lights are controlled by a rocker switch (m) next to the left joystick. wc_gr014511 ■ To turn on the lights, press the front of each rocker switch. ■...

  • Page 54: Starting And Stopping The Machine

    Operation CRT60-74LX 5.15 Starting and Stopping the Machine Requirements ■ Machine is in serviceable condition and has been properly maintained ■ There is fuel in the tank DANGER Asphyxiation hazard. Engine exhaust contains carbon monoxide which CAN KILL YOU IN MINUTES. This is a poison that you cannot see or smell. ►...
  • Page 55 CRT60-74LX Operation Continued from the previous page. Warm-up time Before operating the machine, allow it to warm up per the charts below. Proper warm-up of the machine can be done in two different ways. The rotors do not turn until the oil is warmed up to the proper hydraulic oil temperature. Two charts are provided for the operator to choose between a low idle warm up or a high idle warm up.

  • Page 56: Operating Guidelines

    Operation CRT60-74LX Continued from the previous page. Stopping the Perform the procedure below to stop the trowel. Engine 1. Release pressure on the foot pedal. 2. Return joysticks to their neutral positions. 3. Set engine speed to low idle. 4. Allow engine to idle for at least 5 minutes 5.

  • Page 57: Emergency Shutdown Procedure

    CRT60-74LX Operation 5.17 Emergency Shutdown Procedure Procedure If a breakdown or accident occurs while the machine is operating, perform the procedure below: 1. Press the emergency stop switch (a). wc_gr014519 2. Close the fuel valve (b). 3. Remove the machine from the job site. Note: The wheel kit cannot be used to raise/lower the machine when the engine is stopped.

  • Page 58: Using The Wheel Kit

    Operation CRT60-74LX 5.18 Using the Wheel Kit The machine is equipped with two sets of hydraulically positioned wheels. Lowering the wheels raises the machine and blades off the ground so that the trowel can be rolled to a new location. Raising the wheels positions the wheels off the work surface so that the machine and blades may operate.
  • Page 59 CRT60-74LX Operation Continued from the previous page. Note: It is normal for one side of the machine to rise before the other. wc_gr012736 9. To raise the wheels, press and hold the rear of the wheel switch (b) until the wheels are fully retracted.

  • Page 60: Maintenance

    Maintenance CRT60-74LX Maintenance Periodic Maintenance Schedule The table below lists basic machine maintenance. Tasks designated with check  marks may be performed by the operator. Tasks designated with square bullet points  require special training and equipment. Every Every Every Every Every Daily...

  • Page 61: Lubricating The Trowel Arms

    CRT60-74LX Maintenance Lubricating the Trowel Arms Requirements ■ Machine stopped ■ Grease (Unirex N2 or equivalent) Procedure Perform the procedure below to grease the trowel arms. 1. Set the trowel on a flat, level surface. 2. Disconnect the battery. 3. Apply grease to each zerk (a) on the spider assembly. wc_gr012737 4.

  • Page 62: Adjusting The Blade Arms For Smooth Operation

    Maintenance CRT60-74LX Adjusting the Blade Arms for Smooth Operation When Adjust the blade arms if the machine is wobbling during operation, after replacing an arm, or after disassembling the spider assembly. Requirements ■ Measuring device ■ Lifting devices with enough weight-bearing capacity to lift the machine (optional) Procedure Perform the procedure below to adjust the blade arms.
  • Page 63 CRT60-74LX Maintenance Continued from the previous page. 4. There is a small amount of play in the connection between the blade arm and the spider (lift plate). Gently wiggle each blade so that the lower end of the blade is at the lowest point of the play. Mark (c) the fork pocket at the location where you will measure.

  • Page 64: Mounting Float Pans

    Maintenance CRT60-74LX Mounting Float Pans Certain applications may require the use of float pans. Optional float pans are available from your Wacker Neuson dealer. wc_gr008925 Procedure Perform the procedure below to mount the float pans. 1. Stop the engine. 2. Lift the trowel to access the blades (a). See Lifting the Machine. 3.

  • Page 65: Installing Or Changing The Blades

    CRT60-74LX Maintenance Installing or Changing the Blades There are two types of blades available for the trowel: ■ Combination blades can be used throughout the entire concrete working process, from floating to finishing stages. They are designed for rotation in one direction only.
  • Page 66 Maintenance CRT60-74LX Continued from the previous page. 2. Position and align the blades. ■ If installing combination blades (d), orient the blades as shown in the diagram and align the screw holes. This positions the raised edge of each blade correctly for the rotation of each rotor.

  • Page 67: Servicing The Air Cleaner

    CRT60-74LX Maintenance Servicing the Air Cleaner The air cleaner assembly (a) consists of a filter element (b) housed inside the air cleaner body. Snap clamps fasten the cover (d) to the body. An ejection valve (e) removes large particulates and moisture. When ■...

  • Page 68: Hydraulic Oil Requirements

    Maintenance CRT60-74LX Continued from the previous page. WARNING Fire or explosion hazards. ► Do not use gasoline or other types of low flash point solvents for cleaning the air cleaner. 4. Wipe the inside of the air cleaner body with a clean, dry cloth. 5.

  • Page 69: Hydraulic System Cleanliness

    CRT60-74LX Maintenance Hydraulic System Cleanliness Keeping the hydraulic oil clean is a vital factor affecting the service life of hydraulic components. Oil in hydraulic systems is used not only to transfer power, but also to lubricate the hydraulic components used in the system. Keeping the hydraulic system clean will help avoid costly downtime and repairs.

  • Page 70: Maintaining The Hydraulic Oil

    Maintenance CRT60-74LX Maintaining the Hydraulic Oil When ■ Check the hydraulic oil level daily, adding fresh oil if necessary. ■ Replace the hydraulic oil and hydraulic oil filter every 250 hours if the machine is being operated in hot climates (in temperatures above 32°C (90°F)). ■...
  • Page 71 CRT60-74LX Maintenance Continued from the previous page. ■ The hydraulic oil should fill the overflow bottle to the level indicator (c) on the side of the bottle when the machine is at room temperature. ■ Over-filling the bottle could cause spilling as the hydraulic oil warms and expands.
  • Page 72 Maintenance CRT60-74LX Continued from the previous page. WARNING Most used hydraulic oil contains small amounts of materials that can cause cancer and other health problems if inhaled, ingested, or left in contact with skin for pro- longed periods of time. ►...

  • Page 73: Changing The Hydraulic Oil Filter

    CRT60-74LX Maintenance 6.10 Changing the Hydraulic Oil Filter The machine has a hydraulic oil filter to collect particulates from oil. The filter (a) is located behind the access panel (b) at the front of the machine. wc_gr012727 NOTICE: Replace the hydraulic filter regularly to avoid damaging the hydraulic system.

  • Page 74: Maintaining The Fuel/Water Separator

    Maintenance CRT60-74LX Continued from the previous page. 4. Insert the new hydraulic oil filter into the filter canister. 5. Twist the canister clockwise onto the housing, and tighten the hex stud using the wrench. 6. Install the access panel. 6.11 Maintaining the Fuel/Water Separator The fuel/water separator removes water from the fuel supply.

  • Page 75: Removing Sediment From The Fuel Tank

    CRT60-74LX Maintenance 6.12 Removing Sediment from the Fuel Tank Requirements ■ Machine shut down ■ Suitable container Procedure Prepare the procedure below to drain sediment from the fuel tank. 1. Locate the fuel line (a) on the fuel tank (b). wc_gr012741 2.

  • Page 76: Cleaning The Radiator Filler Cap

    Maintenance CRT60-74LX 6.13 Cleaning the Radiator Filler Cap When Every 500 hours of service or yearly Requirements ■ Machine shut down ■ Engine cool Procedure Perform the procedure below to clean the radiator filler cap. WARNING Burn hazard. At operating temperature, engine coolant is hot and under pressure. It can cause severe personal injury.

  • Page 77: Flushing The Radiator

    CRT60-74LX Maintenance 6.14 Flushing the Radiator Requirements ■ Machine shut down and on a level surface ■ Engine cool ■ Suitable container ■ Antifreeze (50% antifreeze and 50% decalcified water) Draining Follow the procedure below to drain the cooling system coolant. WARNING Burn hazard.
  • Page 78 Maintenance CRT60-74LX Continued from the previous page. 6. Open the radiator filler cap. 7. Place a suitable container underneath the machine. 8. Open the drain valve (b) on the bottom of the radiator and allow the cleaner to drain into a suitable container. Note: Collect, store and dispose of all used coolant in accordance with current environmental protection regulations.

  • Page 79: Lubricating The Wheel Kit Cylinder Pivots

    CRT60-74LX Maintenance 6.15 Lubricating the Wheel Kit Cylinder Pivots Requirements ■ Machine stopped ■ Grease (Unirex N2 or equivalent) Procedure Perform the procedure below to grease the front wheel kit cylinder pivots. 1. Set the trowel on a flat, level surface. 2.

  • Page 80: Cleaning The Machine

    Maintenance CRT60-74LX 6.16 Cleaning the Machine Regular cleaning is essential for keeping the trowel in serviceable condition. It is important to remove uncured concrete, dust and dirt from the trowel as soon as possible after work has been completed. When Clean the machine after each use.

  • Page 81: Long-Term Storage

    CRT60-74LX Maintenance 6.17 Long-Term Storage Extended storage of equipment requires preventive maintenance. Performing these steps helps to preserve machine components and ensures the machine will be ready for future use. While not all of these steps necessarily apply to this machine, the basic procedures remain the same.

  • Page 82: Machine Disposal/Decommissioning

    Maintenance CRT60-74LX 6.18 Machine Disposal/Decommissioning This machine must be properly decommissioned at the end of its service life. Responsible disposal prevents toxic chemicals and materials from harming the environment. This machine contains several components that may be considered hazardous waste in many areas: ■...

  • Page 83: Battery Disposal

    CRT60-74LX Maintenance 6.19 Battery Disposal This device contains one or more batteries or rechargeable batteries (hereafter customers in referred to as "batteries"). This battery is subject to the European Directive 2006/ EU countries 66/EC on (waste) batteries, as well as the corresponding national legislation. The battery directive outlines the procedure for handling batteries across the EU.

  • Page 84: Engine Maintenance: Kohler (T4F)

    Engine Maintenance: Kohler (T4f) Engine Maintenance: Kohler (T4f) The information in this chapter comes from copyrighted Kohler material. The viscosity of the engine oil is an important factor when determining the correct engine oil to use in your machine. Use an engine oil of appropriate viscosity based on the expected outside air temperature.
  • Page 85 Engine Maintenance: Kohler (T4f) The engine maintenance schedule(s) in this chapter are reproduced from the engine owner’s manual. For additional information, see the engine owner’s manual. 4.2 Periodic maintenance The intervals of preventive maintenance in Tab. 4.1 and Tab. 4.2 refer to the engine operating under normal operating conditions Tab.

  • Page 86: Troubleshooting

    Troubleshooting CRT60-74LX Troubleshooting Machine Troubleshooting Problem Cause Remedy Engine doesn’t No fuel Fill tank with fuel. ■ start Fill fuel filter. ■ If additional priming is needed, ■ loosen fittings at fuel injectors. Battery discharged Charge battery. Battery connections corroded Clean battery connections.
  • Page 87 CRT60-74LX Troubleshooting Problem Cause Remedy Blade rotation Throttle solenoid out of Adjust throttle cable from slows or stops adjustment solenoid. Cable must fully while engine is at engage throttle lever. (Solenoid full throttle must bottom out before full throttle engagement to avoid throttle solenoid circuit overload.) Drive motor...

  • Page 88: Hydraulic System Troubleshooting

    Troubleshooting CRT60-74LX Hydraulic System Troubleshooting Problem Cause Remedy Blades do not Pedal signal incorrect, Refer to the separate Repair Manual for rotate or not present detailed instructions on servicing and repairing the machine. Controller signal Refer to the separate Repair Manual for incorrect, or not detailed instructions on servicing and present...
  • Page 89 CRT60-74LX Troubleshooting Problem Cause Remedy Wheel kit function Control solenoid Refer to the separate Repair Manual for responds slowly signal incorrect or not detailed instructions on servicing and or not at all present repairing the machine. Insufficient auxiliary Refer to the separate Repair Manual for pressure detailed instructions on servicing and (Wheel kit cylinder...

  • Page 90: Hydraulic Manifold

    Troubleshooting CRT60-74LX Hydraulic Manifold ISO-T TANK wc_gr012803 — wc_tx004570en.fm...
  • Page 91 CRT60-74LX Troubleshooting Description Description Right forward/reverse extend Relief valve Right forward/reverse retract Pressure sensor Left forward/reverse extend Temperature sensor Left forward/reverse retract Drive pump control Left/right steering extend Left pitch down Left/right steering retract Left pitch up Wheel kit solenoid Right pitch down Right pitch solenoid Right pitch up...

  • Page 92: Instrument Display Warning Symbols

    Troubleshooting CRT60-74LX Instrument Display Warning Symbols When a warning appears on the instrument display screen, the general malfunction indicator light also illuminates. Instrument Description Display Symbol An audible alarm beeps three times. Replace the hydraulic oil filter. An audible alarm beeps twice. The low fuel level icon flashes in the center of the display once every 5 minutes.

  • Page 93: Diagnostic Trouble Codes (Dtc)

    CRT60-74LX Diagnostic Trouble Codes (DTC) Diagnostic Trouble Codes (DTC) Accessing DTCs through engine CAN Overview The engine Controller Area Network (CAN) display is connected to the engine and can display information such as: ■ Engine run time ■ Engine RPM ■...

  • Page 94: Engine Error Codes

    Diagnostic Trouble Codes (DTC) CRT60-74LX Engine Error Codes Observe the following if an error is displayed in the instrument display: Machine travel or operation is prohibited in case of major errors. ■ Engine performance is reduced. ■ Stop and park the machine. ■...

  • Page 95: List Of Engine Diagnostic Trouble Codes (Dtcs)

    CRT60-74LX Diagnostic Trouble Codes (DTC) List of Engine Diagnostic Trouble Codes (DTCs) Error Code Description EGR feed back/position sensor/Dynamic range failure (for CAN) Accelerator pedal for ASC (PTO) sensor signal too high Accelerator pedal for ASC (PTO) sensor signal too low Accelerator pedal for ASC (PTO) sensor 2 signal too high Accelerator pedal for ASC (PTO) sensor 2 signal too low Accelerator pedal sensor No.
  • Page 96 Diagnostic Trouble Codes (DTC) CRT60-74LX Error Code Description Atmosphere pressure sensor signal too low Coolant temperature sensor signal too high Coolant temperature sensor signal too low Coolant temperature sensor performance invalid Coolant temperature exceeds upper limit MAF (mass air flow) sensor signal too high MAF (mass air flow) sensor signal too low MAF (mass air flow) sensor performance invalid P/L (pressure limiter) activated...
  • Page 97 CRT60-74LX Diagnostic Trouble Codes (DTC) Error Code Description Crank position (CKP) sensor no pulse Crank position (CKP) sensor performance invalid Starter switch short to BATT Starter relay short to battery Starter relay short to GND Clutch switch circuit malfunction (manual transmission only) Neutral switch circuit malfunction (manual transmission only) Glow relay output open load/short to GND Glow relay output short to BATT...
  • Page 98 Diagnostic Trouble Codes (DTC) CRT60-74LX Error Code Description 1639 Coolant fan low speed relay short to GND 1639 Coolant fan high speed relay short to battery 1639 Coolant fan high speed relay short to GND 1639 Electric fan open load/short to GND/short to battery 1762 Hydraulic pressure sensor signal too low 1762...

  • Page 99: List Of Trowel/Mcu Dtcs

    CRT60-74LX Diagnostic Trouble Codes (DTC) List of Trowel/MCU DTCs Error Code Description 517127 Sensor—charge oil pressure 519524 Solenoid valve—steering FWD (R - 1B) 517145 Joystick—x-axis (R) 519525 Solenoid valve—steering REV (R - 1A) 517144 Joystick—y-axis (R) 519526 Solenoid valve—steering RT (R - 3B) 517139 Gyrometer 517143...

  • Page 100: 10 Technical Data

    Technical Data CRT60-74LX 10 Technical Data 10.1 Engine Model CRT60-74LX Engine make Kohler Engine model KDI 2504 TCR Max. rated power @ rated speed kW (hp) 55 (74) @ 2,600 rpm Displacement cm³ (in.³) 2,482 (152) Operating speed up to 2,600 Engine speed—idle 1,000 Battery...

  • Page 101: Trowel

    CRT60-74LX Technical Data 10.2 Trowel Machine CRT60-74LX Operating weight kg (lb) 1235 (2720) Dimensions (L x W x H) 3227 x 1637 x 1455 (in.) (127 x 64 x 57) Rotor speed (range) 25–132 Blade pitch (range) degrees 0–25 Rotor drive type Tandem hydro pump Twin radial piston motor...

  • Page 102: Sound Specifications

    Technical Data CRT60-74LX 10.3 Sound Specifications The required sound specifications, per 1.7.4.2 (u), Directive 2006/42/EC of the EC-Machine Regulations, are: ■ The sound pressure level at operator’s location (LpA): 93.4 dB(A) ■ The guaranteed sound power level (LwA): 115.5 dB(A) These sound values were determined according to ISO 3744 for the sound power level (L ) and ISO 11204 for the sound pressure level (L...

  • Page 103: Vibration Specifications

    CRT60-74LX Technical Data 10.4 Vibration Specifications The weighted effective acceleration value, determined according to EN 1033 and ISO 2631, is: ■ For whole body: 0.2 m/s at the seat; 0.3 m/s at the footrest ■ For hand/arm: 1.4 m/s The sound specifications were obtained with the unit operating on fully cured, water-wetted concrete at working engine speed.

  • Page 104: Fuse Box

    Technical Data CRT60-74LX 10.5 Fuse Box Fuse Box The two fuse boxes (a) are located under the right hand side of the operator’s seat. Location wc_gr012147 Relay Box 1 Layout PITCH PITCH PITCH PITCH RIGHT UP RIGHT UP RT DOWN RT DOWN PITCH PITCH...
  • Page 105 CRT60-74LX Technical Data Label Text Meaning KOHLER DIAG 3 amp engine diagnostic connection fuse PITCH POWER 10 amp pitch fuse PWR SUPPLY SIGNAL 5 amp power supply signal fuse GYRO MODULE 1 amp gyroscopic steering assist fuse PWR RELAY (ENG) 20 amp power relay (engine) Fuse/Breaker Box 2 Layout...

  • Page 106: Dimensions

    Technical Data CRT60-74LX 10.6 Dimensions cm (in.) 1455 (57) 3227 (127) 1637 (64) wc_gr012687 wc_td000730en2.fm...

  • Page 107: Aem Safety Manual

    CONCRETE POWER TROWEL Table of Contents Acknowledgment ..............2 Foreword .................3 Safety Alerts ................4 A Word to the User/Operator ..........5 Follow a Safety Program............6 Prepare for Safe Operation ..........10 Start Safely ................17 Operate Safely ..............19 Shut Down Safely ..............21 Perform Maintenance Safely ..........22 Final Word to the User ............35 Acknowledgment We wish to thank the members of the Association of Equipment Manufacturers for their invaluable...

  • Page 108: Foreword

    Foreword This safety manual is intended to point out some of the basic safety situations that may be encountered during the normal operation and maintenance of your trowel Read and understand manuals before and to instruct you in safety practices for dealing with operating these conditions.

  • Page 109: A Word To The User/Operator

    A Word to the User/Operator It is YOUR responsibility to read and understand this Remember that YOU are the key to safety. Good safety manual and the manufacturer’s manual(s) before safety practices not only protect you but also protect operating this equipment. This safety manual takes you the people around you.
  • Page 110 Follow a Safety Program Be Careful! Human error is the result of many factors: carelessness, fatigue, sensory overload, preoccupation, unfamiliarity with the machine or attachments, or drugs and alcohol, to name a few. You can avoid death or serious injury caused by these and other unsafe work practices.
  • Page 111 Follow a Safety Program • Never allow children to play near, ride on or • Know the meaning of all identification symbols on the operate the equipment. controls and gauges • Keep bystanders away from the machine during • Know the location and type of emergency operation.
  • Page 112 Prepare for Safe Operation Check and Use All Check the Machine Available Safety Devices Before beginning your work day, inspect the machine and have all systems in good operational condition. To protect you and others around you, your machine may be equipped with the safety equipment listed •...
  • Page 113 Prepare for Safe Operation Check the Cooling System Use Caution When Fueling When checking the cooling system, make sure the WARNING! Avoid injury from fire or explosion. engine is turned off and is cool. Remove the key to Never fill the fuel tank with the engine running, while prevent fans from unexpectedly starting.
  • Page 114 Prepare for Safe Operation Avoid Crystalline Silica (quartz) Dust 3. Know the work operations where exposure to crystalline silica may occur. WARNING! Avoid exposure to dust containing 4. Participate in air monitoring or training programs crystalline silica particles. This dust can cause offered by the employer.

  • Page 115: Start Safely

    Start Safely Warn Personnel Before Starting Starting the Engine Before starting, walk completely around the machine. WARNING! Never attempt to start the engine by Make sure no one is on it or close to it. Let others shorting across starter terminals. Serious injury or know you are starting up and don’t start until everyone death may result.

  • Page 116: Operate Safely

    Operate Safely Walk-Behind Trowels • If control of the trowel is lost, stay clear and do not attempt to regain control until the trowel has stopped • Ensure that the operator is familiar with the trowel moving. Depending on the engine speed, the trowel and is trained on its operation.

  • Page 117: Shut Down Safely

    Shut Down Safely Storage Always store equipment properly when it is not being used. Equipment should be stored in a clean, dry location out of reach of children. WARNING! Avoid death or serious injury. Never leave a machine unattended with the engine running. Safe Shutdown Shut engine off, remove key...
  • Page 118 Perform Maintenance Safely WARNING! Avoid death or serious injury from entanglement. Do not wear loose clothing or accessories. Stay away from all rotating components when the engine is running. Contact, wrapping or entanglement with rotating or moving parts could result in Avoid rotating parts death or serious injury.
  • Page 119 Perform Maintenance Safely Attach a “DO NOT OPERATE” warning tag to the Trowel Blades, Pans and Attachments control levers. Lockout/tagout the unit according to the • Do not attempt to clean, service or perform manufacturer’s operating manual(s). If there is a key, adjustments on the trowel while it is running.
  • Page 120 Perform Maintenance Safely Ultra-Low Sulfur Diesel (ULSD) Hazard Engine Coolant Hazards (cont.) WARNING! Ultra-Low Sulfur Diesel (ULSD) poses a CAUTION! Before replacing engine coolant, refer to greater static ignition hazard than earlier diesel the manufacturer’s operating manual(s) for direction. formulations with higher sulfur content. Avoid death or Using incorrect coolant type may cause overheating and serious injury from fire or explosion;...
  • Page 121 Perform Maintenance Safely Battery Hazards The liquid in batteries contains acid, which is a POISON and could cause SEVERE CHEMICAL BURNS. Avoid injury: • Wear a face shield to prevent contact with your eyes. • Wear chemical-resistant gloves and clothing to keep Wear hand electrolyte off your skin and regular clothing.
  • Page 122 Perform Maintenance Safely Complete Service and Repairs Before Machine is Released Tighten all bolts, fittings, and connections to torques Recheck all fluid levels before releasing the equipment specified by the manufacturer. for operation. Inspect for leftover components such as cotter pins, All parts should be inspected during repair and replaced washers, locknuts, etc.
  • Page 123 Notes Notes...

  • Page 124: Final Word To The User

    Final Word to the User You have just finished reading the AEM Concrete Power Trowel Safety Manual. It is impossible for this manual to cover every safety situation that you may encounter on a daily basis. Your knowledge of these safety precautions and your application to the basic rules of safety will help to build good judgment in all situations.

  • Page 125: Schematics

    CRT60-74LX Schematics 12 Schematics Notes wc_tx003648gb_FM10.fm...

  • Page 126: Electrical Schematic

    Schematics CRT60-74LX 12.1 Electrical Schematic ALTERNATOR STARTER G001 M001 G002 1 RD GND3 SPLICE #11 BATTERY POWER 210 RD 65 RD 40 RD 179 RD 27 RD 55 RD 44 RD 20A ECU POWER F014 5A P OWER SUPPLY SIGNAL 15A STARTER CMD 3A K OHLER DIAGNOSTICS F001...

  • Page 127: Electrical Schematic Components

    CRT60-74LX Schematics 12.2 Electrical Schematic Components Ref. Description Ref. Description Ref. Description Ref. Description Cruise switch Telematics Alternator Fuel cooler fan Hydraulic oil fan Sensor ground Starter ACC outlet Hydraulic oil cooler relay Splice #5 grip power Splice battery power Air filter restriction switch Hydraulic oil cooler fan —...

  • Page 128: Hydraulic Schematic

    Schematics CRT60-74LX 12.3 Hydraulic Schematic wc_tx003648gb_FM10.fm...

  • Page 129: Hydraulic Schematic Components

    CRT60-74LX Schematics 12.4 Hydraulic Schematic Components Ref. Description Ref. Description Filter switch Wheel kit Main filter Right pitch Gear pump Left pitch Max 18 GPM Right forward and reverse Right P sensor Left forward and reverse Secodary (right) Right and left Left P sensor Forward Charge P sensor...
  • Page 130 Schematics CRT60-74LX wc_tx003648gb_FM10.fm...
  • Page 131 Index CRT60-74LX technical data ....100 warning symbol ....92 Application area .
  • Page 132 Index CRT60-74LX Lifting ......30 label ..... . 23, 28 Operation .
  • Page 133 Index CRT60-74LX Safety information ....13 Schematics ..... . 125 electrical .
  • Page 135 Important: For spare parts information, please see your Wacker Neuson Dealer, or visit the Wacker Neuson website at http://www.wackerneuson.com/. Wichtig! Informationen über Ersatzteile erhalten Sie von Ihrem Wacker Neuson Händler oder besuchen Sie die Wacker Neuson Website unter http://www.wackerneuson.com/. Important : Pour des informations sur les pièces détachées, merci de consulter votre distributeur Wacker Neuson, ou de visiter le site Internet de Wacker Neuson sur http://www.wackerneuson.com/.
  • Page 136 Copyright notice © Copyright 2018 by Wacker Neuson Production Americas LLC All rights, including copying and distribution rights, are reserved. This publication may be photocopied by the original purchaser of the machine. Any other type of reproduction is prohibited without express written permission from Wacker Neuson Production Americas LLC.

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