Hitachi ZW 550-6 Operator's Manual page 8

Dumping into Truck or Hopper .......................................... 5-23
Dozing .............................................................................................. 5-24
Stock Piling ..................................................................................... 5-24
Removing Snow ............................................................................ 5-25
Lifting Wheel Loader ................................................................... 5-25
Precautions for After Operation .............................................. 5-26
TRANSPORTING ............................................................ 6-1
Transporting by Road ....................................................................6-1
Selecting a Trailer ............................................................................6-1
Loading/Unloading on Trailer .....................................................6-2
Ramp/Loading Dock .................................................................6-2
Loading/Unloading on Trailer ...............................................6-3
Loading ..........................................................................................6-3
Fastening Machine for Transporting ........................................6-4
Transporting Wheel Loader (Urgent Situation) ....................6-5
Precautions for Driving On Roads ........................................6-5
Precautions for Towing ............................................................6-6
Releasing Parking Brake ..........................................................6-7
Towing Method ................................................................................6-9
Lifting Machine ............................................................................. 6-10
MAINTENANCE .............................................................. 7-1
Correct Maintenance and Inspection Procedures ...............7-1
Check the Hour Meter Regularly ................................................7-3
Layout ..................................................................................................7-4
Lubrication Guide ............................................................................7-5
Preparations for Inspection and Maintenance .....................7-6
Articulation Lock..............................................................................7-8
Inspection/Maintenance Access Covers .................................7-9
Rear Grille ........................................................................................ 7-10
Inspection and Maintenance Table ........................................ 7-11
Kind of Oils ...................................................................................... 7-15
Grease ......................................................................................... 7-15
Engine Oil .................................................................................. 7-15
Transmission Oil ...................................................................... 7-15
Axle Oil ........................................................................................ 7-16
Hydraulic Oil ............................................................................. 7-16
Recommended Coolant ....................................................... 7-16
List of Consumable Parts ........................................................... 7-17
A. Greasing ...................................................................................... 7-19
B. Engine .......................................................................................... 7-25
Check Engine Oil Level ......................................................... 7-25
Change Engine Oil ................................................................. 7-26
Replace Engine Oil Filter ....................................................... 7-28
C. Power Train ................................................................................ 7-30
Check Transmission Oil Level .............................................. 7-30
Change Transmission Oil ...................................................... 7-31
Clean Suction Strainer ........................................................... 7-31
Change Transmission Oil Filter ........................................... 7-31
Clean Transmission and Torque Converter
Air Breathers ........................................................................ 7-34
Check Axle Oil Level ............................................................... 7-35
Check Differential Gear Oil Level ................................. 7-35
Check Planetary Gear Oil Level ..................................... 7-36
Change Axle Oil ....................................................................... 7-37
Change Differential Gear Oil ......................................... 7-37
CONTENTS
Change Planetary Gear Oil ............................................. 7-38
Replace Axle Oil Cooler Line Filter (Option) .................. 7-39
Clean Axle Oil Cooler Fins (Option) .................................. 7-40
D. Hydraulic System ..................................................................... 7-41
Inspection and Maintenance of Hydraulic
Equipment ........................................................................... 7-41
Check Hydraulic Oil Level .................................................... 7-43
Change Hydraulic Oil ............................................................. 7-44
Bleed Air from the Hydraulic System.......................... 7-45
Clean Suction Filter ................................................................ 7-46
Clean Pilot Oil Filter ................................................................ 7-47
Line Filter in Steering Circuit ......................................... 7-47
Line Filter in Brake Circuit ............................................... 7-48
Replace Hydraulic Oil Return Filter ................................... 7-49
Replace Air Breather Element ............................................. 7-50
Check Pilot Circuit Accumulator Function, Gas
Leakage, Looseness, and Damage .............................. 7-51
Check Ride Control Accumulator Function, Gas
Leakage, Looseness, and Damage (Option) ............ 7-52
Check Gas Pressure in Ride Control Accumulator
(Option) ................................................................................. 7-52
Check Gas Pressure in Steering Accumulator ............... 7-52
Check Hoses and Lines ......................................................... 7-53
Service Recommendations for Hydraulic
Fittings ................................................................................... 7-56
Flat Face O-ring Seal Fitting (ORS Fitting) ................. 7-56
Metal Face Seal Fittings ................................................... 7-56
E. Fuel System ................................................................................ 7-57
Check Fuel Level ...................................................................... 7-57
Recommended Fuel ......................................................... 7-57
About Biodiesel Fuel ........................................................ 7-57
Refueling .............................................................................. 7-58
Drain Water and Sediment from Fuel Tank .................... 7-58
Drain Fuel Filter ........................................................................ 7-59
Draining Procedures (Pre-Filter) ................................... 7-59
Bleed Air from the Fuel System .................................... 7-60
Air Bleeding Procedure ................................................... 7-60
If Air Mixed After Common Rail .................................... 7-61
Replace Fuel Main Filter Element ...................................... 7-62
Replace Fuel Pre-Filter Element ......................................... 7-64
Clean Fuel Pump Strainer ..................................................... 7-66
Clean Fuel Priming Solenoid Pump Strainer ................. 7-67
Check Fuel Hoses .................................................................... 7-69
F. Air Cleaner ................................................................................... 7-71
Replace Air Cleaner Element............................................... 7-71
G. Cooling System ........................................................................ 7-72
Coolant .................................................................................. 7-72
Check Coolant Level .............................................................. 7-73
Check Drive Belt ...................................................................... 7-74
Measurement of Deflection Amount and Vibration
Frequency ............................................................................ 7-74
Adjusting Drive Belt .......................................................... 7-74
Replacing Drive Belt ......................................................... 7-75
Change Coolant ....................................................................... 7-76
Clean Radiator/Oil Cooler Cores and Other Cooling
System ................................................................................... 7-79