Mid–size mower proline gear 17 hp with 52 in. side discharge mower (48 pages)
Summary of Contents for Toro 30431
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Form No. 3327-396 Rev A Mid–Size Mower ProLine Pistol Grip Gear 15 HP with 44 inch Side Discharge Mower Model No. 30431—Serial No. 230000001 and Up Operator’s Manual English (EN)
Authorized Service attention to the safety alert symbol, which means Dealer or Toro Customer Service and have the model and CAUTION, WARNING, or DANGER—“personal serial numbers of your product ready. Figure 1 illustrates safety instruction.” Failure to comply with the the location of the model and serial numbers on the instruction may result in personal injury or death.
Slow down and use caution when making turns and The following list contains safety information specific crossing roads and sidewalks. Stop blades if not to Toro products and other safety information you mowing. must know. Be aware of the mower discharge direction and do not This product is capable of amputating hands and feet and point it at anyone.
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Allow to cool before attempting Use only genuine replacement parts to ensure that to maintain, adjust or service. original standards are maintained. Use only Toro-approved attachments. Warranty may be Check brake operation frequently. Adjust and service as voided if used with unapproved attachments. required.
Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 43-8480 93-1122 95-2814 66-1340 98-0776 67-5360 98-4387 1. Warning—wear hearing protection. 68-8340...
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106-5496 1. Reverse 2. Neutral 3. Forward speeds 106-5501 1. Choke 2. Fast 3. Continuous variable setting 4. Slow 106-5514 1. Keep bystanders a safe 4. Stop the engine and pick up 8. Hour meter 11. To place the machine in distance from the machine.
Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline Gasoline is harmful or fatal if swallowed. may be used if unleaded regular is not available. Long–term exposure to vapors can cause serious injury and illness.
Hairpin cotter pin washers No parts needed Checking the tire pressure Oil drain hose Use for draining engine oil Operator’s Manual Read before operating machine Engine Operator’s Manual Read before operating machine Parts Catalog Registration card Fill out and return to Toro...
Parts needed for this step: Parts needed for this step: 1 Handle assembly 1 Fuel tank with studs installed 4 Flange bolts, 3/8 x 1 inch 1 Shift lever plate 4 Flange nuts, 3/8 inch 2 Bolts, 5/16 x 7/8 inch 2 Lock washers, 5/16 inch Installing the Handle Assembly 2 Flat washers, 5/16 inch...
m–6504 Figure 4 No parts needed for this step. 1. Fuel line 3. Fuel tank connection 2. Clamp Adjusting the Shift Lever Plate 5. Slide the shift lever plate over the shift lever (Fig. 6). 1. Shift lever to second gear and check alignment of lever in slot of shifter lever plate.
Rear View m–6592 Figure 8 1. Control rod 3. Hairpin cotter 2. Bell crank m–5458 2. Adjust control rod length by threading rod in or out of rod fitting until there is a 3/16 to 1/4 inch (5 mm to Figure 7 6 mm) clearance between the control rod and bottom of 1.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Think Safety First Carefully read all the safety instructions and decals in the safety section. Knowing this information could help you, Parts needed for this step: your family, pets or bystanders avoid injury.
Drive levers – Shift to desired gear and release drive levers Parking Brake and Neutral to engage forward traction operation and squeeze to Lock reverse. Squeeze right side of drive lever to turn right and left side to turn left. Always set the parking brake when you stop the machine or Neutral lock and Parking brake locks –...
Starting and Stopping the Operating Mower Blade Engine Control (PTO) Starting The blade control switch (PTO) in conjunction with the Operator Presence Control (OPC) levers engage and 1. Make sure spark plug wire(s) are installed on spark disengage power to the electric clutch and mower blades. plug(s) and fuel valve is open.
Understanding the Safety Interlock Driving Forward System 1. To go forward, move the shift lever to a forward gear. The safety interlock system is designed to prevent the 2. Release the parking brake; refer to Releasing the engine from starting unless: Parking Brake, page 18.
Adjusting the Height-of-Cut Caution The height-of-cut can be adjusted from 1 to 4-1/2 inch (25 to 114 mm) in 1/4 inch (6 mm) Children or bystanders may be injured if they increments. Adjustment is done by relocating four hairpin move or attempt to operate the machine while it is cotter pins in different hole location and by adding or unattended.
Adjusting the Gage Wheels Adjusting the Handle Height The gage wheels need to be adjusted in the proper hole The handle position can be adjusted to match the operator’s location for each height-of-cut position. There needs to be height preference. 3/8 inch (10 mm) minimum clearance above the ground.
Using the Mid–Size Weight Kit A weight kit is available for this machine. This kit is optional and can be obtain from an Authorized Service Dealer The weight kit mounted in the front position is required when a Tru–Trak Sulky is installed. The weight kit mounted in the back position is optional when a Tru–Trak Sulky is not installed (Fig.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Oil—check level Safety System—check Each Use Brake—check Engine—clean outside Mower Housing—clean After first 8 Hours Oil—change Cutting Blades—check 8 Hours Mower Housing—clean...
Air Cleaner Service Service Interval/Specification Foam Element: Clean and re-oil after every 25 operating hours. Paper Element: Clean after every 50 operating hours. Replace after every 200 operating hours. m–4694 Figure 23 Note: Service the air cleaner more frequently (every few hours) if operating conditions are extremely dusty or sandy.
Engine Oil Service Service Interval/Specification Change oil: After the first 8 operating hours. After every 100 operating hours. Note: Change oil more frequently when operating conditions are extremely dusty or sandy. Oil Type: Detergent oil (API service SE, SF or SG) Figure 25 Crankcase Capacity: with new filter, 57–1/2 oz.
10. Check the oil level; refer to Checking Oil Level, Spark Plug Service page 26. Service Interval/Specification 11. If needed, slowly add additional oil to bring to the full mark on dipstick. Check the spark plug(s) after every 100 operating hours. Make sure the air gap between the center and side electrodes is correct before installing the spark plug.
3. Connect a grease gun to the fitting. Pump grease into Important Never clean the spark plug(s). Always the fittings until grease begins to ooze out of the replace the spark plug(s) when it has: a black coating, worn bearings. electrodes, an oily film, or cracks.
m–6367 Figure 31 m–6529 Figure 33 Lubricate the Transmission and Idler Bracket Cleaning the Cooling System 1. Lubricate the transmission couplers located in the back of the machine (Fig. 32). Service Interval/Specification Before each use, check and clean engine cooling system. Remove any build–up of grass, dirt or other debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor–governor levers and linkage.
m–6367 m–5235 Figure 34 Figure 35 1. Rear Tire 2. Caster tire 1. Fuel line 3. Fuel shut off valve 2. Hose clamp Fuel Tank Service Fuel Filter Service Danger Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first.
3. The proper disengaged clearance between the clutch plates is 0.012–0.018 inch (0.30-0.45 mm). It will be necessary to check this clearance at each of the three slots to ensure the plates are parallel to each other. Figure 36 1. Hose clamp 3.
Adjusting the Brakes The brake lever is on the upper control bar (Fig. 12). If the parking brake does not hold securely, an adjustment is required. Note: For the initial adjustment, adjust the wing nut until it is 1–1/4 inches from the top of the rod (Fig. 39). 1.
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Before Inspecting or Servicing the Blades Park the machine on a level surface, disengage the blade control (PTO) and set the parking brake. Turn the ignition key to off. Remove the key and disconnect the spark plug wire(s) from the spark plug(s). Inspecting the Blades 1.
To ensure optimum performance and continued safety conformance of the Figure 45 machine, use genuine TORO replacement blades. 1. Blade 2. Balancer Replacement blades made by other manufacturers may result in non-conformance with safety standards.
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3. Place a long straight edge on top of the engine deck as 4. Measure engine deck height at location A (Fig. 47). shown in figure 46. 5. Measure engine deck height at location B (Fig. 47). 4. At the carrier frame cross tube, measure location A 6.
Checking the Deck 24 in. Front-to-Rear Pitch (61cm) 1. Check the tire pressure on both deck and traction unit. 2. Position one blade front-to-rear (Fig. 50). Measure at C and D locations (Fig. 50) from a level surface to the cutting edge of the blade tips (Fig.
MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE m–2550 Figure 56 5. If it does not measure correctly, add air pressure in rear m–6595 tires to raise height–of–cut Figure 57 6. If it does not measure correctly, decrease air pressure in 1.
11. Install the carrier frame cover and rubber washers onto 7. Install belt onto idler pulley and then install idler spring the cutting unit, then install and tighten the hand knobs. (Fig. 61). 8. Adjust PTO drive belt guides an 1/8 inch (3 mm) from belt (Fig.
3. Pull the caster wheel fork out of the mounting tube, leaving the spacer(s) on the bottom of the fork. Remember the location of the spacers on each fork to ensure correct installation, and to maintain a level deck. m–6373 Figure 63 1.
5. To assemble, place one bushing into the wheel hub. Grease the roller bearing and spanner bushing and slide them into the wheel hub. Place the second bushing into the wheel hub (Fig. 64). 6. Install the caster wheel into the caster fork and secure with the wheel bolt and locknut.
Cleaning and Storage A. Run engine to distribute conditioned fuel through the fuel system (5 minutes). 1. Disengage the power take off (PTO), set the parking B. Stop engine, allow to cool and drain the fuel tank; brake, and turn the ignition key to Off. Remove the key. refer to Servicing the Fuel Tank, page 30, or operate engine until it stops.
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PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine loses power. Engine load is excessive. Reduce ground speed. Air cleaner is dirty. Clean air cleaner element. Oil level in crankcase is low. Add oil to crankcase. Cooling fins and air passages Remove obstruction from under engine blower housing cooling fins and air passages.
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PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Uneven cutting height. 1. Blade(s) not sharp. 1. Sharpen blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. Mower is not level. 3. Level mower from side-to-side and front-to-rear. 4. Underside of mower is dirty. 4.
If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.