Toro 30631 Operator's Manual
4-wheel drive traction unit
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Summary of Contents for Toro 30631
- Page 1 Form No. 3325-427 Rev A ® Groundsmaster ® 328-D 4-Wheel Drive Traction Unit Model No. 30631—210000001 and Up Operator’s Manual E n g l i s h...
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Page 2: Table Of Contents
Adjusting the Traction Interlock Switch Replacing the Power Take-Off Switch Correcting Power Take-Off Drive Belt Slippage Adjusting the Parking Brake Interlock Switch 32 ©2001 by The Toro Company Adjusting the Tilt Steering Control 8111 Lyndale Avenue South Adjusting Rear Wheel Toe-In Bloomington, MN 55420-1196... -
Page 3: Introduction
Whenever you need service, genuine Toro parts, or information worthy of special attention. additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 illustrates the location of the model and serial numbers on the product. -
Page 4: Safety
Safety Improper use or maintenance by the operator or owner used and remove all objects such as rocks, toys can result in injury. To reduce the potential for injury, and wire that can be thrown by the machine. comply with these safety instructions and always pay attention to the safety alert symbol, which means •... - Page 5 Wait for all The following list contains safety information specific movement to stop before adjusting, cleaning or to Toro products or other safety information that you repairing. must know. •...
- Page 6 serious injury or death. damage. Repair or replace any damaged parts before operating. Ensure that the cutting blades Using this product for purposes other than its intended are in good condition and the blade bolts are use could be dangerous to the user and bystanders. torqued to proper specifications (see the cutting deck operator’s manual).
- Page 7 • Do not overspeed the engine by changing governor settings. To ensure safety and accuracy, have an authorized Toro distributor check the maximum engine speed with a tachometer. Maximum governed engine speed with no load should be 3200–3250 RPM.
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Page 8: Safety And Instruction Decals
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. 93-7822 1. Caution—fill the fuel tank to 1 in. (25 mm) below the filler neck. - Page 9 93-6696 1. Warning—spring-loaded mechanism. Read the operator’s manual for further instructions. 93-7831 1. Parking brake—read the operator’s manual for further instructions. 93-7272 1. Fan blades can cause injury—stay away from moving parts. 93-7821 1. Caution 2. Fill coolant to within 1 in. (25 mm) of the top of the tank. 93-7830 3.
- Page 10 100-6574 1. Hot surface hazard—stay away. 2. Cutting/dismemberment hazard—stay away from moving parts. 93-7806 1. Power take off on 2. Power take off off 3. Warning—read the operator’s manual. 4. Cutting hazard to hands or feet—stay away from rotating blades and moving parts. 5.
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Page 11: Specifications
Front axle is the hydraulic fluid reservoir, and its capacity is 5 quarts (4.7 l) of SAE 10W-30 or 10W-40 engine oil. The 25-micron hydraulic oil filter is a screw- on replaceable type. For replacement filters, order Toro Part No. 23-9740. Ground Speed: Speed is infinitely variable from 0 to 9.5 MPH (0 to 15 km/h) forward or reverse. - Page 12 Interlock Switches Power take off switch—shuts the engine off when the power take off is engaged with no operator on the seat. Traction switch—shuts the engine off when the traction pedal is engaged with no operator on the seat. Seat switch—shuts the engine off if operator leaves the seat without disengaging the power take off and/or traction pedal.
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Page 13: Before Operating
Before Operating Check the Engine Oil Install the oil fill cap and close the hood. The engine is shipped with 4 qt (=3.8 l) of oil in the Filling the Fuel Tank crankcase; however, the oil level must be checked before and after you first start the engine. -
Page 14: Check The Cooling System
cap and replenish the system. DO NOT OVERFILL. Install the expansion tank cap. Checking the Hydraulic System The hydraulic system is designed to operate on any Figure 4 high-quality detergent oil having the American 1. Fuel tank cap Petroleum Institute—API —“ service classification” SF/CC or CD. -
Page 15: Checking The Rear Axle
unscrew the dipstick and check the oil level. If the level is not within ⁄ in. (13 mm) from the groove in the dipstick (Fig. 6), add enough oil to raise the level to the groove mark. Do not overfill by more than ⁄... -
Page 16: Operation
Operation Note: Determine the left and right sides of the position and push the lever forward to lock machine from the normal operating position. adjustment. Brake Pedal Controls Whenever you shut off the engine, you must engage Traction Pedal the parking brake (Fig. 9) to prevent accidental machine movement. - Page 17 lever to move to the TRANSPORT position. The Oil Pressure Warning Light implement should be raised when driving from one The oil pressure warning light (Fig. 11) glows when work area to another, except when descending steep oil pressure in the engine drops below a safe level. If slopes.
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Page 18: Starting/Stopping The Engine
Temperature Override Switch Starting/Stopping the Engine Press and hold the override switch to start the engine Important The fuel system must be bled if any of after a high-temperature shut down. Use it only for the following situations have occurred. emergency operation. -
Page 19: Bleeding The Fuel System
parts and any other noticeable malfunctions. CAUTION Shut off the engine and wait for all moving parts to stop before checking for oil leaks, loose parts or other malfunctions. To stop the engine, move the throttle control Figure 13 backward to the SLOW position, move the power 1. -
Page 20: Pushing Or Towing The Traction Unit
However, Toro does released, it is strongly recommended that you stop the not recommend this as standard procedure. engine before dismounting from the seat. Important Do no push or tow the traction unit faster than 2 to 3 MPH (3 to 4.8 km/h) because the... - Page 21 To maintain enough power for the traction unit and Before stopping the engine, disengage all controls and implement while operating, regulate the traction pedal move the throttle to SLOW. Moving the throttle to to keep engine rpm high and somewhat constant. A SLOW reduces high engine rpm, noise, and vibration.
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Page 22: Maintenance
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Interval Maintenance Procedure After the first 10 hours • Check the power take-off belt tension. • Check the fan and alternator belt tension. •... -
Page 23: Daily Maintenance Checklist
Daily Maintenance Checklist axle steering pivots (2) (Fig 19)cylinder rod ends (4) (Fig 19) drove shaft (3) (Fig. 20); clutch housing (Fig 20) and engine output shaft bearing ✓ Check safety interlock operation. (Fig. 21). Also apply grease to both brake cables ✓... -
Page 24: General Air Cleaner Maintenance
Figure 22 1. Air cleaner indicator Be sure the cover seals around the air cleaner Figure 19 body. Servicing the Air Cleaner Pull the latch outward and turn the air cleaner cover counter-clockwise. Remove the cover from the body (Fig. 23). Clean inside of the air cleaner cover. -
Page 25: Cleaning The Radiator And Screen
Cleaning the Radiator and Screen The screen and front of the radiator must be kept clean to prevent the engine from overheating. Check the screen and front of the radiator daily and, if necessary, clean any debris from these parts. However, in extremely dusty and dirty conditions, check and clean the screen each quarter hour and check the radiator every hour. -
Page 26: Servicing The Fuel System
drain pan. Fuel Tank Drain and clean the fuel tank after every 800 hours Remove and replace the oil filter (Fig. 26). operation or yearly, whichever comes first. Also, drain and clean the tank if the fuel system becomes contaminated or if the machine will be stored for an extended period. -
Page 27: Cleaning Radiator And Screen
Install the filter canister by hand until the gasket contacts the mounting surface, then rotate an additional ⁄ turn. Replacing the Fuel Pre Filter Replace the fuel pre filter (Fig. 28), located between the fuel tank and fuel pump after every 400 operating hours or yearly, whichever occurs first. -
Page 28: Changing Coolant In The Cooling System
Clean and install the screen. Changing Coolant in the Cooling System Capacity of cooling system is approximately 6 quarts (5.7 L). The cooling system must be filled with a 50/50 solution of water and permanent ethylene glycol Figure 32 anti-freeze. Every two years, drain the coolant from 1. -
Page 29: Adjusting The Throttle
Cooling Fan Belt belt until proper deflection is achieved, then tighten the idler pulley locknut (Fig. 33). Unlatch and open the hood. Install the fan belt guard and secure it with Remove the capscrews (5) securing the fan belt capscrews (Fig. 34). Close and latch the hood. guard and remove the guard (Fig. -
Page 30: Adjusting The Traction Control Rod
Adjusting the Traction Control Adjusting the Traction Pedal Friction Wheel Check the traction drive neutral position to assure Loosen the two nuts securing the traction pedal the front wheels do not creep; refer to Adjusting shaft on the right side of the pedal (Fig. 38). the Traction Drive for Neutral. -
Page 31: Adjusting The Traction Interlock Switch
Weak or damaged leaf springs (Fig. 39). Replace. • Internal transmission component Figure 40 malfunction. Contact your local Toro 1. Power take-off switch distributor for assistance. Remove the front jam nut securing the switch to 13. Shut off the engine. -
Page 32: Correcting Power Take-Off Drive Belt Slippage
depressed (13 mm) when the power take-off lever is moved to OFF. Tighten the jam nuts. Install the boot to the switch. Important : Switch threads will be damaged if you overtighten the jam nuts. Connect a continuity tester or ohm meter to the switch connector. -
Page 33: Adjusting The Tilt Steering Control
Adjusting the Tilt Steering Control If the steering wheel tilt control lever must be adjusted, proceed as follows: Remove the knob from the parking brake and the self-tapping screws from the steering column cover. Slide the cover up the steering shaft to Figure 44 expose the pivot bracket (Fig. - Page 34 Figure 45 1. Jam nuts Figure 46 1. Slot When the brake cable cannot get free travel within 13 to 25 mm, the star nut inside the brake Using a brake adjusting tool or screwdriver, turn drum must be adjusted. However, before the star nut (Fig.
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Page 35: Adjusting The Lift Lever Latch
FLOAT after every 125 hours of operation or yearly, position. This causes the oil in the hydraulic system to whichever comes first. Use Toro oil filter, Part No. overheat. When the lift lever latch is adjusted 23-9740, as a replacement. -
Page 36: Changing The Hydraulic System Oil
250 hours of operation or seasonally, whichever Remove drain plug from the fitting between axle comes first. The hydraulic system is designed to housing and oil filter and let the oil flow into a operate on any high-quality detergent oil having the drain pan (Fig. -
Page 37: Changing Rear Axle Lubricant
directional clutch must be changed. Position the machine on a level surface. Clean the area around the check plug on the clutch. Rotate the clutch so the check plug is positioned downward (Fig 53). Figure 51 1. Dipstick 2. Groove Changing Rear Axle Lubricant After every 400 hours of operation, the oil in the rear axle must be changed. -
Page 38: Servicing The Battery
Rinse with clear water. Coat the battery posts and cable connectors C. Coat the cable terminals and battery posts with Grafo 112X (skin-over) grease (Toro Part No. with Grafo 112X skin-over grease (Toro Part No. 505-47) or petroleum jelly to prevent 505-47) or petroleum jelly to prevent corrosion. - Page 39 Remove and discard the oil filter. Install a new oil filter. Remove fill cap and add 4 quarts (3.8 l) of SAE 10W-30 CD, CE, CF, CF-4 or CG-4 classification oil until the level reaches FULL mark on the dipstick. DO NOT OVERFILL. Start the engine and run at idle speed for approximately two minutes.