Form No. 3350–786 Groundsmaster 328-D 2 & 4 Wheel Drive Traction Units Model No. 30626—240000001 and Up Model No. 30627—240000001 and Up Model No. 30630—240000001 and Up Model No.
Checking the Tire Pressure . . . . . . . . . . . . . . . . . . Checking the Torque of the Front Wheel Nuts . . . Greasing the Traction Unit . . . . . . . . . . . . . . . . . . . Install Rear Weight . . . . . . . . . . . . . . . . . . . . . . . . . Before Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hood Prop (Models 30626 & 30627 only) . . . . . . Check Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . Filling the Fuel Tank . . . . . . . . . . . . . . . . . . . . . . .
Changing the Hydraulic System Fluid . . . . . . . . . . Changing Rear Axle Lubricant . . . . . . . . . . . . . . . Changing Bidirectional Clutch Lubricant (Models 30627 & 30631 only) . . . . . . . . . . . . . . Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Servicing the Battery . . . . . . . . . . . . . . . . . . . . . . . Hydraulic Schematic (Models 30627 & 30631 only) . . . . . . . . . . . . . . Hydraulic Schematic (Models 30626 & 30630 only) . . . . . . . . . . . . . .
Training – Store fuel in containers specifically designed for this purpose. • Read the operator’s manual and other training material carefully. Be familiar with the controls, safety signs, and the proper use of the equipment. – Refuel outdoors only and do not smoke while refueling. • If the operator or mechanic can not read the language of is the owner’s responsibility to explain this material to them. – Add fuel before starting the engine.
• Be aware of the mower discharge direction and do not point it at anyone. – Limit loads to those you can safely control. – Do not turn sharply. Use care when reversing. • Do not operate the mower under the influence of alcohol or drugs – Use counterweight(s) or wheel weights when suggested in the operator’s manual. • Watch out for traffic when crossing or near roadways.
• Keep hands and feet away from moving parts. If possible, do not make adjustments with the engine running. – Apply the service brakes when going downhill to keep forward speed slow and to maintain control of the machine. • Charge batteries in an open well ventilated area, away from spark and flames. Unplug charger before connecting or disconnecting from battery. Wear protective clothing and use insulated tools. • Raise the cutting units when driving from one work area to another.
Sound Power Level Vibration Level This unit has a guaranteed sound power level of 105 dBA, based on measurements of identical machines per Directive 2000/14/EC and amendments. This unit does not exceed a vibration level of 2.5 m/s2 at the hands based on measurements of identical machines per ISO 5349 procedures. Sound Pressure Level This unit does not exceed a vibration level of 0.5 m/s2 at the posterior based on measurements of identical machines per ISO 2631 procedures.
93-7275 (Models 30630 & 30631) 27-7310 (Models 30626 & 30627) 1. Read the operator’s manual for further instructions. 2. Do not use starting fluid. 52-1321 (Models 30626 & 30627) 93-7822 (Models 30630 & 30631) 1. Caution—fill fuel tank to 1 in. (25 mm) below filler neck. Read the operator’s manual for further instructions. 93-6680 (Models 30630 & 30631) 83-9150 (Models 30626 & 30627) 93-6686 1. Hydraulic oil 2. Read the Operator’s Manual.
3-7272 (Model 30630 & 30631) 1. Fan blades can cause injury—stay away from moving parts. 105-2531 (Models 30626 & 30627) 107-2927 (Models 30630 &30631) 82-8940 1. Locks and unlocks the steering column 1.
6-5976 1. Engine coolant under pressure 2. Explosion hazard—read the Operator’s Manual. 82-8930 (Model 30626 & 30627) 1. Read the operator’s manual for further instructions. 3. Warning—do not touch the hot surface. 4. Warning—read the Operator’s Manual. 93-7831 1. Parking brake—read the operator’s manual for further instructions. 27-7290 (Models 30626 & 30627) 67–1710 (Model s 30626 & 30627) 106-6754 (Models 30630 & 30631) 1. Warning—do not touch the hot surface. 2.
93–6697 (Model 30631) 1. Read operator manual 2. Change the rear axle lubricant initially after first 50 operating hours, thereafter every 500 hours 72-3700 (Model 30627 & 30626) 106-8120 (Models 30626 & 30627) 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Cutting hazard of hand and foot—stay away from moving parts. Battery Symbols 93-7839 (Model 30631) Some or all of these symbols are on your battery. 1. Explosion hazard 2. No fire, open flames, or smoking. 3.
105-7823 (Models 30630 & 30631) 1. Traction drive—to drive forward, press the top of the traction control pedal forward and down; to drive in reverse, press the bottom of the traction control pedal rearward and down. 105-7822 (Models 30626 & 30627) 2. Warning—disengage the power take-off (PTO) beofre raising the cutting unit(s). 3. Float the cutting unit(s) over the ground. 4. Lower the cutting unit(s). 5. Raise the cutting unit(s).
Specifications Note: Specifications and design subject to change without notice. General Specifications Engine Air Cleaner Muffler Kubota, three cylinder, 4 cycle liquid cooled diesel engine. 26 hp @ 3000. Engine governed to 3200–3250 rpm high idle, no load. Heavy duty, remote mounted Volume equal to approximately five times engine displacement for excellent silencing. Cooling System Radiator has tube and fin construction with hydraulic oil cooler in lower tank.
General Specifications (continued) Interlock Switches PTO switch—shuts engine off when PTO is engaged with no operator in seat. Traction switch—shuts engine off when traction pedal is engaged with no operator in seat. Seat switch—shuts engine off if operator leaves seat without disengaging PTO and/or traction pedal. Engine will not start if PTO or traction pedal is engaged. Brake switch–shuts engine off when PTO or traction pedal is engaged with parking brake set.
Optional Equipment 72” Side Discharge Cutting Unit 72” Rear Discharge Cutting Unit Model No. 30722 Model No. 30722TE Model No. 30710 Model No. 30710TE Quick Attach (for Guardian 72″ Recycler Cutting Unit, Model No. 30716) Model No. 30729 Quick Attach (for 72” Side Discharge Cutting Unit, Model No. 30722, 72” Rear Discharge Cutting Unit, Model No. 30710 and Rotary Broom, Model No. 30743) Tire Chains (front) (set of 2) Model No. 30719 Part No. 76–1840 Part No.
Setup Note: Determine the left and right sides of the machine from the normal operating position. Loose Parts Note: Use the chart below to verify that all parts have been shipped. Description Qty. Use Screw, M10 x 30 mm 4 Mounting steering cylinder to rear axle. Washer 4 (Models 30627 & 30631 only) Tie rod 1 Bumper 1 Capscrew, 1/4 x 1/2 in. 1 Secure steering hoses to bumper. Flange nut 1/4 in.
Note: Some models may have already been set–up at factory. Installing the Steering Cylinder (Models 30627 & 30631 only) 1 1. Remove screw and R-clamp securing steering cylinder to packaging. Retain R-clamp for future installation. 2. Mount cylinder support bracket to rear of axle with 4 screws (M10 x 30) screws and washers (Fig. 2). Apply Loctite 242, or equivalent, and torque screws to 34-42 ft.-lb. (46–56 N⋅m). Figure 3 1. Tie rod 2 Installing the Rear Bumper (Models 30627 & 30631 only) 1.
3. Mount wheels and torque mounting nuts to 45-55 ft.-lb. (61-75 N⋅m). 1 2 1 4 Installing the Steering Wheel 1. Move rear wheels so they point straight ahead. 3 2. Remove jam nut from steering shaft. Slide foam seal and steering wheel onto steering shaft (Fig. 5). 4 Figure 6 3 1. Wing nuts 2. Hold down strap 2 3. Positive terminal 4. Negative terminal 1 Installing the Seat The machine is shipped without the seat assembly. Either optional Seat Kit, Model No. 30623 or 30625 must be installed.
1 1 Figure 8 1. Seat pivot bracket Figure 11 3. Mount seat and seat support to seat pivot bracket with pivot shaft and roll pin (Fig. 9). 1. Lynch pin 7. Slide seat completely forward and backward to ensure proper operation and that seat switch wires and connectors are not pinched or do no contact any moving parts. Seat Kit, Model No. 30625, Deluxe Seat with Model No. 30628 Seat Adapter Kit 1 2 1.
3. Mount seat support over four threaded studs at the bottom of seat suspension assembly and secure in place with flangenuts (Fig. 12). Installing the Roll Bar (Models 30627 & 30631 only) 4. Mount seat pivot bracket to frame with (2) flange screws supplied in kit (Fig. 8) 1. Lower roll bar onto frame, aligning mounting holes as shown in Figure 15. 5. Mount seat and seat support to seat pivot bracket with pivot shaft and roll pin (Fig. 9). 2. Secure roll bar to frame with 4 bolts (3/4 x 5-1/2 in.
3. Close bypass valve by rotating it clockwise until it is securely seated. Do not exceed 5 to 8 ft.-lb. (7 to 11 N⋅m). Do not start engine when valve is open. 4. Allow approximately 20 to 30 minutes for the electrolyte to soak into the plates. Refill as necessary to bring the electrolyte to within about 1/4 inch (6 mm) of the bottom of the fill well (Fig. 18). Activating and Charging the Battery Warning Use only electrolyte (1.265 Specific Gravity) to fill battery initially.
Installing the Battery in the Chassis Installing the Ball Joint and Connecting the Lift Cylinder Note: Ball joints are not required for all implements; refer to implement operator’s manual for requirements. Warning 1. Thread jam nut fully onto right-hand ball joint. Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 2.
Checking the Torque of the Front Wheel Nuts Warning 1 5 Failure to maintain proper torque of the front wheel nuts could result in failure, loss of wheel, or personal injury. 2 3 Torque the front wheel nuts to 45–55 ft.-lb. (61–75 N m) after 1–4 hours of operation and again after 10 hours of operation. Torque every 250 hours thereafter. 4 Greasing the Traction Unit Figure 20 1. Jam nut 2. 2 x 4 in.
Install Rear Weight To comply with CEN standard EN 836:1997, ISO standard 5395:1990 and ANSI/OPEI B71.4–1999 Standard, rear weight must be added to rear of traction unit. Use chart below to determine weight requirements. Order parts from your local Authorized Toro Distributor. Note: A rear weight kit, part no. 24–5780 is supplied with Model No. 30630. Two Wheel Drive Cutting Unit Description Rear Weight Required Weight Part Number Weight Description Qty. 72″ Side Discharge (Model No. 30722) 70 lb.
Before Operating Hood Prop (Models 30626 & 30627 only) 1 1. Position the machine on a level surface. 2. Disengage hood latch and open the hood. 3. Slide bottom of hood prop (Fig. 21) out of retaining bracket. Lower hood prop, pivot upward, then downward to prop up hood. 1 Figure 22 1. Dipstick 3. If oil is below FULL mark, remove fill cap and add SAE 10W–30 CD, CE, CF, CF–4 or CG–4 classification oil until level reaches FULL mark on dipstick. DO NOT OVERFILL. Figure 21 1.
Filling the Fuel Tank The cooling system is filled with a 50 / 50 solution of water and permanent ethylene glycol anti–freeze. Check level of coolant in expansion tank at beginning of each day before starting the engine. Capacity of cooling system is 6 quarts (5.6 l). Danger Under certain conditions, diesel fuel and fuel vapors are highly flammable and explosive. A fire or explosion from fuel can burn you and others and can cause property damage.
Checking the Rear Axle damage caused by improper substitutions, so use only products from reputable manufacturers who will stand behind their recommendation. The rear axle has three separate reservoirs which use SAE 80W-90 wt. gear lube. Although the axle is shipped with lubricant from the factory, check the level before operating the machine. Universal Tractor Hydraulic Fluid Mobil Mobil Fluid 424 Amoco 1. Position the machine on a level surface.
Tilt Steering Control 3. Remove check plug. Fluid level should be up to hole in clutch. If fluid level is low, add Mobil Fluid 424. Clutch should be approximately 1/3 full. The tilt steering control is a lever on right side of steering column (Fig. 29). Pull lever rearward to adjust steering wheel to desired fore or aft operating position and push lever forward to lock adjustment. 4. Install check plug. Note: Do not use engine oil (i.e. 10W30) in bidirectional clutch.
Charge Indicator TRANSPORT position. Normally, implement should be raised when driving from one work area to another, except when descending steep slopes. Illuminates when system charging circuit malfunctions (Fig. 31). Caution Engine Coolant Temperature Warning Light The exposed, rotating blades of the cutting unit or other implements are hazardous. The light illuminates and engine shuts down when coolant reaches a excessively high temperature (Fig. 31).
Throttle Control Release key when engine starts. If additional preheat is required, turn key to OFF position then to ON / preheat position. Repeat process as required. The throttle (Fig. 31) is used to operate engine at various speeds. Moving throttle forward increases engine speed—FAST; backward decreases engine speed—SLOW. The throttle regulates the speed of the cutter blades or other implement components and, in conjunction with traction pedal, controls ground speed of the traction unit. 4.
To check operation of interlock switches: 3. Open the air bleed screw on the fuel injection pump (Fig. 33). 1. Drive the machine slowly to a large, relatively open area. Lower cutting unit, stop the engine and apply parking brake. 2. Sit on seat. Move PTO lever to ON position. With the traction pedal in neutral position, try to start the engine. The engine should not crank. If the engine cranks, there is a malfunction in the interlock system that should be corrected before beginning operation. 3.
Another characteristic to consider is the operation of the turning pedals that are connected to the brakes. The brakes can be used to assist in turning the machine. However, use them carefully, especially on soft or wet grass because the turf may be torn accidentally. Another benefit of the turning brakes is to maintain traction. For example: in some slope conditions, the uphill wheel slips and loses traction.
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 first 10 hours • • • • Check the PTO belt tension. Check the fan and alternator belt tension. Change the transmission filter. Torque the wheel lug nuts. After first 50 hours • • • • Change the engine oil and filter. Check engine RPM. Check the PTO belt tension.
Daily Maintenance Checklist Duplicate this page for routine use. For the week of: Maintenance Check Item Mon. Tues. Wed. Thurs. Check safety interlock operation. Check that the grass deflector is in the down position. Check brake operation. Check the engine oil level. Check the cooling system fluid level. Drain the water/fuel separator. Check the air cleaner. Check the radiator and screen for debris. Check unusual engine noises.1 Check the transmission oil level. Check the hydraulic hoses for damage.
Lubricating the Machine The traction unit must be lubricated regularly. If machine is operated under normal conditions, lubricate all bearings and bushings after every 50 hours of operation. The traction unit bearings and bushings that must be lubricated are: All Models PTO shaft and yokes (3) (Fig. 35) Lift arm pivots (Fig. 35) Right and left push arm ball joints (Fig. 35) Figure 36 Push arm pivot bushings (Fig. 36) PTO pivot housing blocks (Fig. 37) Brake pivot bushings (Fig.
General Air Cleaner Maintenance • Check air cleaner body for damage which could possibly cause an air leak. Replace a damaged air cleaner body. • Service the air cleaner filters when air cleaner indicator (Fig. 43) shows red or every 400 hours (more frequently in extreme dusty or dirty conditions). Do not over service air filter. Figure 39 1 (2) (4) Figure 43 1. Air cleaner indicator • Be sure cover is sealing around air cleaner body. (2) Figure 40 Servicing Air Cleaner 1.
Note: This situation may be particularly prevalent if the rear discharge cutting unit is being used. The front of the radiator can be cleaned thoroughly by blowing with compressed air from the fan side of the radiator. Make sure to clean out any debris that settles to the bottom of the screen. The screen in front of radiator can be removed—by loosening wing nuts at top of screen—to make cleaning easier.
Servicing Fuel System Note: Refer to Fill Fuel Tank With Diesel Fuel for proper fuel recommendations. 1 Danger Under certain conditions, diesel fuel and fuel vapors are highly flammable and explosive. A fire or explosion from fuel can burn you and others and can cause property damage. 2 • Use a funnel and fill the fuel tank outdoors, in an open area, when the engine is off and is cold. Wipe up any fuel that spills. • Do not fill the fuel tank completely full.
Bleeding Air From Injectors 3. After the radiator is thoroughly cleaned, clean out debris that may have collected in the channel at the radiator base. Note: This procedure should be used only if fuel system has been purged of air through normal priming procedures and engine will not start; refer to Bleeding Fuel System. 4. Clean and install the screen. 1. Loosen the pipe connection to the No. 1 injector nozzle and holder assembly at injection pump (Fig. 50).
Cooling Fan Belt Level of coolant in expansion tank (Fig. 53) should be between the marks on side of tank. 1. Unlatch and open hood. 2. Remove capscrews (5) securing fan belt guard and remove guard (Fig. 55). 1 1 Figure 53 1. Expansion tank Servicing the Engine Belts Check tension of all belts initially after the first day of operation and every 100 hours thereafter. Alternator Belt 1. Unlatch and open hood. 2. Proper tension will allow 3/8 in. (10 mm) deflection when a force of 10 lbs.
Adjusting Traction Control Rod 5. Install fan belt guard and secure with capscrews (Fig. 55). Close and latch hood. 1. Check traction drive neutral position to assure front wheels do not creep; refer to Adjusting Traction Drive for Neutral. To replace belt: 1. Follow procedures in step 1 and 2 above. 2. Loosen lock nuts and adjust traction pedal stop screw (Fig. 58) to a length of 3.00”. 2. Loosen locknut securing adjustable idler pulley, slide pulley away from belt, and remove belt from pulleys (Fig.
Adjusting Traction Pedal Friction Wheel wheel stops rotating, tighten capscrews holding pump plate against side of transmission. Verify the adjustment with throttle in SLOW and FAST position. 1. Loosen two nuts securing traction pedal shaft on right side of pedal (Fig. 59). 7. Block right front tire and both rear tires so vehicle cannot roll forward or backward. 2. Rotate shaft to relocate worn surface of friction wheel away from underside of traction pedal. 8.
Adjusting PTO Drive Belt Tension 4. Rotate adjusting screw until it contacts the switch button. Continue to rotate the screw until the circuit is completed (switch “clicks”). After the switch clicks, rotate the adjusting screw an additional 1/2 turn. Tighten jam nut. Important Check PTO belt tension initially after first 10 hours and 50 hours of operation and after every 100 hours of operation thereafter.
Adjusting the Parking Brake Interlock Switch 2 1 1. Gap between parking brake shaft pivot paddle and bottom of interlock switch (Fig. 63) should be approximately 1/16” (Paddle must not contact switch). 3 1 Figure 64 2 1. Pivot plate 2. Small nut 3. Large nut 3 2. Loosen small nut, rotate pivot bracket until it tightens large nut below (Fig. 64). Retighten small nut. 3. Reinstall steering column cover and parking brake knob. Figure 63 1. Parking brake interlock switch 2.
3. Loosen screw on tie rod clamp (Fig. 65). Rotate ball joint in or out to adjust length of tie rod. 4. Reinstall ball joint to mounting bracket and check wheel toe-in. 5. After attaining desired adjustment, tighten screw on tie rod clamp and re–secure ball joint to mounting bracket. Adjusting Rear Wheel Toe–in (Models 30626 & 30630 only) 5 The rear wheels should not toe–in or toe–out when they are adjusted correctly.
1. To reduce free travel of turn pedals—tighten the brakes—loosen front nut on threaded end of brake cable (Fig. 68). Then tighten rear nut to move cable backward until turn pedals have 1/2 to 1 in. (13 to 25 mm) of free travel. Tighten front nut after brakes are adjusted correctly. 1 Figure 69 1. Slot 6. Using a brake adjusting tool or screwdriver, rotate star nut (Fig. 69) down until brake drum (Fig. 70) locks because of outward pressure of brake shoes (Fig. 70). 1 2 Figure 68 1. Jam nuts 2.
Replacing the Hydraulic Fluid Filter Universal Tractor Hydraulic Fluid Mobil The hydraulic fluid filter keeps the hydraulic system relatively free of contaminants and must be serviced at regular intervals. Initially, change filter after first ten hours of engine operation, and thereafter, after every 200 hours of operation or yearly, whichever comes first. Use Toro oil filter, Part No. 23-9740, as a replacement. Amoco 1. Clean area where hydraulic fluid filter mounts. Remove filter from base (Fig.
8. Start and run the engine at idle speed for about two minutes and turn the steering wheel lock to lock to purge air trapped in the system. Shut the engine off. 9. Leave machine set for two additional minutes, then remove dipstick and check fluid level in axle (Fig. 73). If level is low, add fluid until level matches groove in dipstick (Fig. 73). If level is too high, remove drain plug (Fig. 72) and drain fluid until level matches groove in dipstick. 1 1 Figure 74 1 1.
Servicing the Battery 6. Add Mobil Fluid 424 until lubricant level is up to hole in clutch. Clutch should be approximately 1/3 full. 7. Install check plug. Warning Note: Do not use engine oil (i.e. 10W30) in bidirectional clutch. Anti–wear and extreme pressure additives will cause undesirable clutch performance. Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.
Hydraulic Schematic (Models 30627 & 30631 only) MAN. 1/4 LIFT CYLINDER 2.50 BORE 3.25 STROKE 1/4 A T P B STEERING CYLINDER 1.50 DIA. BORE 7.15 STROKE 1/4 1/4 1/4 1/4 3/8 1/2 R L AUX. 1/2 IN 3/8 1/2 STEERING VALVE 4.95 CU. IN. DISP. OUT NOT IN 2 WHEEL DRIVE MODELS 70150 PSI CASE DRAIN THRU BEARING AT OUTPUT SHAFT OF TRANSMISSION 700900 PSI TRANSMISSION IMPLEMENT RELIEF: 700-900 PSI 3 CHARGE PUMP .33 IN /REV. 5200 PSI RES.
1/4 MAN. LIFT CYLINDER 2.50 BORE 3.25 STROKE T A 1/4 P B 1/4 1/4 3/8 51 1/2 1/4 1/4 L R 1/2 AUX. OUT IN 3/8 1/2 STEERING VALVE 4.95 CU. IN. DISP. NOT IN 2 WHEEL DRIVE MODELS STEERING CYLINDER 1.50 DIA. BORE 7.15 STROKE 70150 PSI 5200 PSI CASE DRAIN THRU BEARING AT OUTPUT SHAFT OF TRANSMISSION 700900 PSI TRANSMISSION IMPLEMENT RELIEF: 700-900 PSI 3 CHARGE PUMP .33 IN /REV. RES.
Electrical Schematic (Models 30627 & 30631 only) F1 15 A F 2 7.5 A 15 A OR GY GY F3 BK B X BU OFF RUN I F 4 7.
15 A BK GY R R OFF PK VIO Y F 4 7.5 A OPTIONAL LIGHT / FUSE BLOCK Y S A START RUN I FL3 FL2 FL1 53 ENGINE GROUND FRAME GROUND W L R = RED Y = YELLOW W = WHITE T = TAN OR = ORANGE PK = PINK VIO = VIOLET BK = BLACK GN = GREEN BR = BROWN GY = GRAY BU = BLUE PK 85 PK VIO GN R PK OR BK PK 30 86 5 2 OR LAMP 3 PK + 12V GLOW RELAY 87 85 6 4 1 CONTROLER GLOW PLUG KUBOTA OR BN BK GND BN GLOW GN 87 86 2 5 +8 BN BN BN ENGINE ENGINE OVER TEMP.
Engine Seasonal Storage 1. Drain the engine oil from the oil pan and replace the drain plug. Traction Unit 2. Remove and discard the oil filter. Install a new oil filter. 1. Thoroughly clean the traction unit, cutting unit and the engine, paying special attention to these areas: 3. 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 level reaches FULL mark on dipstick. DO NOT OVERFILL.
The Toro General Commercial Products Warranty A Two-Year Limited Warranty Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Commercial Product (“Product”) to be free from defects in materials or workmanship for two years or 1500 operational hours*, whichever occurs first.
