Toro 3020 - Manuals

Maintenance and Service 20. Before servicing or making adjustments to the ma-chine, stop engine, remove key from the ignition, and pull the spark plug wire off spark plug to prevent acci-dental starting of the engine. 21. Make sure all hydraulic line connectors are tight,and all hydraulic hoses and ...

Jacking Instructions Figure 1 Use the following positions when jacking up the ma-chine: Jacking the Front End 1. On the SP 2020/3020, jack from below the front cross support that is above the retaining strip for the rub-ber shield (Fig. 1). 2. On the SP 5020, jack from below the front cross Figure 2...

Safety and Instruction Decals The following safety and instruction decals are installed on the Sand Pro 2020/3020. If any become damaged or illegible, replace them. Decal part numbers are listed below and in the parts catalog. Order replacements from your Authorized Toro Distributor. ON ENGINE SHIEL...

Chapter 2 Product Records and Maintenance Table of Contents PRODUCT RECORDS . . . . . . . . . . . . . . . . . . . . . . . . . 1 EQUIVALENTS AND CONVERSIONS . . . . . . . . . . . 2 Decimal and Millimeter Equivalents . . . . . . . . . . . . 2 U.S. to Metric Conversions . . . . . . . . . . . . . . . . ...

Equivalents and Conversions Product Records and Maintenance Page 2 – 2 Sand Pro 2020/3020/5020

Product Records and Maintenance Sand Pro 2020/3020/5020 Page 2 – 3 Product Records and Maintenance Torque Specifications

Sand Pro 2020/3020/5020 Page 2 – 4 Product Records and Maintenance Lubrication CAUTION Before servicing or making adjustments to themachine, stop engine, set parking brake, and re-move key from the ignition switch. Lubricate grease fittings regularly with No. 2 generalpurpose lithium base grease. Lu...

Sand Pro 2020/3020/5020 Page 2 – 5 Product Records and Maintenance Figure 5 Figure 6 Product Records and Maintenance

_________________________ _________________________ _________________________ _________________________ _________________________ EQUIPMENT OPERATION AND SERVICE HISTORY REPORT for Sand Pro R 2020/3020/5020 TORO Model and Serial Number: _____________–___________ Engine Numbers: _____________________...

Sand Pro R 2020/3020/5020 Maintenance Schedule Minimum Recommended Maintenance Intervals: Check Battery Fluid Level Check Battery Cable Connections { Change Engine Oil Lubricate Front Wheel Bearing Every 25hrs Every 100hrs Annual Recommendations: Items listed are recommended every 1,500 hours or 2 y...

Sand Pro R 2020/3020/5020 Daily Maintenance Checklist Daily Maintenance: (duplicate this page for routine use) Maintenance Check Item b Daily Maintenance Check For Week Of ____________ MON TUES WED THURS FRI SAT SUN n Safety Interlock Operation n Steering Operation n Engine Oil Level n Remote/Engine...

________________________________ ________________________________ ________________________________ ________________________________ _______________________________ _______________________________ ________________________________ ________________________________ _______________________________ ______...

Chapter 3 Engine Table of Contents INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . 4 Check Engine Oil . . . . . . . . . . . . . . . . . . ...

Introduction This Chapter gives information about specifications, maintenance, troubleshooting, testing, and repair of the gasoline engines used in the Sand Pro 2020, 3020, and 5020. Most repairs and adjustments require tools which are commonly available in many service shops. Special tools are desc...

Specifications Item Description Make / Designation Briggs and Stratton Vanguard, 4–Cycle, V–Twin Cylinder, OHV, Air Cooled, Gasoline Engine Horse Power SP 2020/3020 16 HP @ 3600 RPM SP 5020 18 HP @ 3600 RPM Bore mm (in.) SP 2020/3020 68.0 (2.677) SP 5020 71.98 (2.834) Total Displacement cc (cu. in.)...

General Information Check Engine Oil CAUTION Before servicing or making adjustments to the machine, make sure of the following: stop en-gine, engage parking brake, lower attachment, and remove key from the switch. IMPORTANT: Check oil level every 8 operating hours or daily. Change oil initially afte...

Fuel Shutoff Valve This valve should be shut when removing the engine or placing the unit in long term storage. On the SP 2020/3020, the shutoff valve can be ac-cessed from the rear of the machine (Fig. 2). On the SP 5020, the shutoff valve can be accessed by removing the left side panel (Fig. 3). 2...

Fill Fuel Tank IMPORTANT: The Toro Company strongly recom-mends using fresh, clean, unleaded regular grade gasoline in Toro gasoline powered products. Un-leaded gasoline burns cleaner, extends engine life, and promotes good starting by reducing the build– up of combustion chamber deposits. Leaded ga...

Adjustments Adjust Throttle Control Proper throttle operation is dependent upon the proper adjustment of the throttle control. Before adjusting the carburetor, assure throttle control is operating properly. 1. Pivot seat up. On the SP 2020/3020, remove the en-gine shield. 2. Loosen cable clamp screw...

Sand Pro 2020/3020/5020 Page 3 – 8 Engine Service and Repairs Change Engine Oil and Filter Change oil initially after the first 8 hours of operation.Thereafter, change oil every 25 hours and filter every100 hours. 1. Park machine on a level surface. Turn engine off. 2. Pivot seat up. On the SP 2020/...

ÇÇ ÇÇ ÇÇ Service Remote Air Cleaner Inspect air cleaner filter element every 100 hours of op-eration. Replace every 400 hours or when dirty or dam-aged 1. Check air cleaner body and body for damage that could cause possible air leaks. Replace damaged air cleaner body or cover (see Remote Air Cleaner...

Throttle and Choke Controls 1 9 3 7 2 8 1 1 4 4 4 6 5 2 2 Figure 10 1. Knob 4. Cap screw 7. Hex nut 2. Throttle control 5. Dash Panel (SP 2020/3020) 8. Lock Washer 3. Lock nut 6. Right fender (SP 5020) 9. Choke control Throttle Control Removal 1. Park machine on a level surface, lower attachment, st...

Choke Control Installation 1. On the SP 2020/3020 insert choke cable and control through the dash panel. Secure choke control to the panel with lock washer and hex nut (Fig. 10). 2. On the SP 5020, secure choke control to the dash panel or right fender with both cap screws and lock nuts. Install kno...

Remote Air Cleaner (SP 5020) Remote Air Cleaner Removal 1. Park machine on a level surface, lower attachment, stop the engine, engage parking brake, and remove the key from the ignition switch. 2. Loosen hose clamp. Remove air cleaner hose from the air cleaner body. 3. Remove both lock nuts, flat wa...

Muffler (SP 2020/3020) Muffler Removal 1. Park machine on a level surface, lower attachment, stop the engine, engage parking brake, and remove the key from the ignition switch. 2. Chock front wheel to prevent machine from moving with both rear wheels jacked up. Jack up rear wheels enough to allow th...

Muffler Installation 1. Position muffler through the bottom of the machine to the muffler bracket. Insert cap screw with flat washer through the muffler tab and then the muffler bracket. Screw hex nut onto the cap screw, but do not tighten (Fig. 30). 2. Attach exhaust tube to the muffler. Attach exh...

Fuel Tank Removal (Fig. 32) 1. Park machine on a level surface, lower attachment, stop the engine, engage parking brake, and remove the key from the ignition switch. 2. Pivot seat up. Remove litter box (26) from the frame. 3. Disconnect and remove battery from the machine to prevent possible spillag...

Sand Pro 2020/3020/5020 Page 3 – 20 Engine Fuel Tank (SP 5020) Figure 34 1. Fuel tank 2. Fuel cap 3. Steering boot 4. Boot retainer 5. R–clamp6. Self tapping screw 7. Fuel hose 8. Hose clamp 9. Fuel filter 10. Fuel hose11. Hose clamp12. R–clamp 13. Fuel hose14. Fuel shutoff valve15. Whiz cap screw16...

Engine Removal (Fig. 37) 1. Park machine on a level surface, lower attachment, stop engine, engage parking brake, and remove key from the ignition switch. 2. Pivot seat up. Remove engine cover. Remove move litter box from fuel tank base. 3. Disconnect and remove battery from the machine to prevent t...

Replace Spark Plugs Replace spark plugs after every 800 operating hours or yearly, which ever occurs first. Recommended air gap is 0.030 inch (0.762 mm). Use a Champion RC 12YC spark plug or equivalent. NOTE: A spark plug usually lasts a long time. However, remove. Check spark plugs whenever the eng...

Engine Removal (Fig. 43) 1. Park machine on a level surface, lower attachment, stop engine, engage, and remove key from the ignition switch. 2. Chock wheels to prevent the machine from moving. The brake assembly will be partially disassembled. CAUTION avoid possible burns, allow engine and exhaust T...

10. Disconnect red positive cable cable (solenoid) from the starter (Fig. 47). 11. Remove lock nut and cap screw securing black ground wire and black battery cable (negative) to the en-gine block. Pull cable and harness clear of the engine (Fig. 47). 12. Remove remaining three lock nuts and cap scre...

Clean Cylinder Head Fins Avoid overheating and possible damage to the engine. Keep cooling fins on cylinder heads clean. 1. Park machine on a level surface, lower attachment, stop engine, engage parking brake, and remove key from the ignition switch. 2. Gain access to the engine. NOTE: The engines o...

Chapter 4 Hydraulic Systems Table of Contents SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . 3 Hydraulic Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Hydraulic Fitting Installation . . . . . ...

Rev. B Sand Pro 2020/3020/5020 Hydraulic System Page 4 – 2 Specifications Item Description Hydrostatic Transmission Variable displacement piston pump Pump Displacement 0.913 in 3 /rev (15.0 cm 3 /rev) Pump Flow Rate (@ 3150 RPM) 12.5 GPM (47.2 LPM) Maximum Continuous Rated Speed 4000 RPM Maximum Int...

General Information Hydraulic Hoses Hydraulic hoses are subject to extreme conditions such as pressure differentials during operation and exposure to weather, sun, chemicals, very warm storage condi-tions, or mishandling during operation or maintenance. These conditions can cause damage or premature...

Towing Traction Unit In case of emergency, the Sand Pro can be towed for a short distance. However, Toro does not recommend this as a standard procedure. IMPORTANT: Do not tow the machine faster than 2 to 3 mph because drive system may be damaged. If machine must be moved a considerable distance, tr...

Rev. B Sand Pro 2020/3020/5020 Hydraulic System Page 4 – 6 Hydraulic Schematics LIFT CYLINDER LIFT V AL VE OIL COOLER FIL TER M2 RIGHT A B A RH WHEEL MOT OR WITH BLEED OFF FOR OIL COOLING LEFT M1 IN FOR W ARD P1 B P2 R2 R1 HYDROST A T 0.915 0.33 7.8 15 5.41 127.84 BARS 7.8 127.84 DISPLACEMENT PRESSU...

Hydraulic Flow Diagrams Traction Forward The traction circuit of the hydraulic system consists of a hydrostat connected in a closed loop circuit to three or-bital vane wheel motors. Hydraulic fluid losses are de-signed to occur from case drain leakage of the traction pump (P1) and bleed off from the...

Sand Pro 2020/3020/5020 Page 4 – 9 M2 RIGHT A B A WITH BLEED OFF LEFT M1 P1 B P2 R2 R1 M3 FRONT High Pressure Low Pressure (Charge) Return or Suction Flow Sand Pro 2020/3020/5020 M3 M2 RIGHT B A WITH BLEED OFF FRONT LEFT M1 TIMED MANIFOLDS B A SHUTTLE CHARGE CHECK CHARGE CHECK CHARGE PUMP TRACTION P...

Traction Reverse The traction circuit operates essentially the same in re-verse as it does in forward. However, there are a few dif-ferences in operation. When the traction pedal is pressed to the reverse posi-tion, the linkage from the pedal positions the swash plate in the traction pump so oil flo...

Sand Pro 2020/3020/5020 M2 RIGHT A B A WITH BLEED OFF LEFT M1 P1 B P2 R2 R1 M3 FRONT REVERSE High Pressure Low Pressure (Charge) Return or Suction Flow Sand Pro 2020/3020/5020 M3 M2 RIGHT B A WITH BLEED OFF FRONT LEFT M1 TIMED MANIFOLDS B A SHUTTLE CHARGE CHECK CHARGE CHECK CHARGE PUMP TRACTION PUMP...

Retract and Extend Lift Cylinder The hydraulic lift circuits for the SP 2020/3020 and SP 5020 function identically. Each machine has identical charge pumps, lift valves, and lift cylinders. These com-ponents are the heart of the lift circuit. In addition to replenishing the closed loop circuit with ...

Sand Pro 2020/3020/5020 Page 4 – 13 M2 RIGHT A B A WITH BLEED OFF LEFT M1 P1 B P2 R2 R1 M3 FRONT Extend and Retract lift Cylinder High Pressure Low Pressure (Charge) Sand Pro 2020/3020 FROM CHARGE RELIEF (R2) COOLER EXTEND LIFT CYLINDER RETRACT LIFT CYLINDER SHUTTLE IMPLEMENT RELIEF CHARGE RELIEF CH...

Special Tools Order these tools from the TORO SPECIAL TOOLS Some tools may also be available from a local supplier. AND APPLICATIONS GUIDE (COMMERCIAL PROD- UCTS) . Hydraulic Pressure Test Kit – TOR47009 Use to take various pressure readings for diagnostic tests. Quick disconnect fittings provided a...

Hydraulic Test Fitting Kit – TOR4079 This kit includes a variety of O–ring Face seal fittings to enable you to connect test gauges into the system. The kit includes: tee’s, unions, reducers, plugs, caps, and male test fittings. Figure 10 TORO TEST FITTING KIT (NO. TOR4079) Hydraulic Test Fittings On...

Rev. B Sand Pro 2020/3020/5020 Hydraulic System (Rev. A) Page 4 – 16 Troubleshooting The table that follows contains information to assist introubleshooting. There may possibly be more than onecause for a machine malfunction. Refer to the Testing section of this Chapter for precau-tions and specific...

Rev. B Sand Pro 2020/3020/5020 Hydraulic System Page 4 – 18 Troubleshooting (cont.) ÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁ Problem ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Possible Cause ÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁ Attachment raises, but will not stayup. ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ...

Testing The most effective method for isolating problems in the hydraulic system is by using hydraulic test equipment such as pressure gauges and flow meters in the circuits during various operational checks (See the Special Tools section in this Chapter). Before Performing Hydraulic Tests IMPORTANT...

Procedure for Traction Pump Flow (P1) (Fig.12): 1. Make sure hydraulic oil is at normal operating tem-perature by operating the machine for approximately 10 minutes. 2. Make sure machine is parked on a level surface with attachments removed. Make sure engine is off. 3. Read Precautions for Hydraulic...

Procedure for Wheel Motor Efficiency: Note: Over a period of time, a wheel motor can wear internally. A worn motor may by–pass oil causing the motor to be less efficient. Eventually, enough oil loss will cause the wheel motor to stall under heavy load condi-tions. Continued operation with a worn, in...

Adjustments Adjust Traction Pedal for Neutral If the machine “creeps” when the traction pedal is in the neutral position, the traction cam must be adjusted. 1. Park the machine on a level surface. Turn the en-gine off. 2. On the SP 2020/3020 , pivot seat upward and re- move engine shield. On the SP ...

Adjust Traction Pedal for Forward (SP 5020) If the jam nuts on the control rod are loosened or if the pedal is removed, adjusted traction pedal for forward. 1. Park machine on a level surface and turn engine off. 2. Make sure pump is in neutral. 3. Loosen jam nuts on the control rod. 4. Press down o...

Service and Repairs Check Hydraulic Lines and Hoses nozzles that eject hydraulic fluid under high pres-sure. Use paper or cardboard, not hands, to within a few hours by a doctor familiar with this WARNING Keep body and hands away from pin hole leaks or search for leaks. Hydraulic fluid escaping unde...

Change Hydraulic System Fluid and Filter The hydraulic system filter must be changed initially af-ter the first 8 hours of operation. Thereafter, it must be changed every 400 hours of operation or yearly, which-ever comes first. Use a genuine Toro oil filter for replace-ment. The hydraulic oil must ...

Removal (Fig. 25) 1. Before removing any parts from the hydraulic sys-tem, park machine on a level surface, engage parking brake, lower attachment, and stop engine. CAUTION draulic oil. Controls must be operated with the tion switch. Operate all hydraulic controls to relieve system pressure and avoi...

Removal (Fig. 26) 1. Before removing any parts from the hydraulic sys-tem, park machine on a level surface, engage parking brake, lower attachment, and stop engine. CAUTION draulic oil. Controls must be operated with the tion switch. Operate all hydraulic controls to relieve system pressure and avoi...

Lift Valve 1 2 3 4 5 6 7 12 15 14 1 2 8 9 9 10 4 11 12 13 14 15 3 5 6 9 8 7 9 10 11 13 Figure 27 1. Plug 6. Cam pin 11. Spring 2. O–ring 7. Body 12. Spring retainer 3. Spring 8. Spool 13. Spacer float 4. Ball 9. O–ring 14. Spool retaining ring 5. Check valve seat 10. Spring retainer 15. Retaining ri...

Lift Cylinder (SP 2020/3020) Removal 6 1. Before removing any parts from the hydraulic sys-tem, park the machine on a level surface, engage the parking brake, lower attachment, and stop the engine. 1 2 6 5 8 3 6 6 4 4 1 7 CAUTION draulic oil. Controls must be operated with the tion switch. Operate a...

ÉÉ ÉÉ Lift Cylinder Service 1 14 ÉÉ 2 3 4 5 7 8 9 10 11 12 6 2 7 3 5 4 6 10 11 13 14 13 15 15 8 9 12 Figure 30 1. O–ring 6. O–ring 2. Barrel 7. Poly–pack 3. Nut 8. O–ring 4. Uni–ring 9. Back–up ring 5. Piston 10. Head Disassembly 1. Remove oil from the hydraulic cylinder into a drain pan by slowly p...

22 Hydrostat (SP 2020/3020) 27 28 30 15 2 4 5 6 7 12 14 15 16 17 18 20 21 23 24 25 26 8 9 10 11 13 3 3 16 17 18 19 19 20 31 32 29 33 34 29 FRONT RIGHT Figure 31 1. Not used 13. 90 o hydraulic fitting 24. Pump hub 2. Shaft cover 14. Hydraulic hose 25. Pump mount 3. Lock washer 15. Cap screw 26. Woodr...

7. Remove three cap screws securing the pump plate to the hydrostat while pulling the pump plate from the hy-drostat (Fig. 32). 8. Clean all hydraulic fittings and hydraulic hoses at-tached to the hydrostat. Label all hydraulic connections for reassembly. 9. Place a suitable container under hydrosta...

5. Disconnect air hose from the air cleaner. Remove lower shroud from the cooler mount to prevent damage to the fan when removing the hydrostat. 6. Disconnect control rod from pump lever and wires from the neutral switch (Fig. 36). 7. Loosen both set screws (11) on the pump hub (19) enough to allow ...

3. Reinstall O–rings and hydraulic fittings to the hy-drostat. Observe match marks when tightening. 4. Install woodruff key (9) and fan hub (27) with cooling fan (28) to the hydrostat shaft. Secure hub to shaft with both set screws. 5. Secure hydrostat (8) to engine base with both sock-et head screw...

Flush Hydraulic System IMPORTANT: Flush hydraulic system any time there is a severe component failure or the system is contaminated (oil appears milky or black or con-tains metal particles). IMPORTANT: Flush hydraulic system when chang-Ing from petroleum base hydraulic fluid. Operate machine under n...

Rev. B Sand Pro 2020/3020/5020 Hydraulic System Page 4 – 48 Hydrostat Service 1. Plug2. O–ring3. Spring4. Ball5. Plug6. O–ring7. End cap 8. Acceleration valve spring9. Acceleration valve 10. O–ring11. Plug12. O–ring13. Locating pin14. End cap gasket15. Valve plate16. Cylinder block17. Spider18. Pist...

Shaft Seal Removal NOTE: The hydrostat uses lip seals on the main, con- trol, and trunnion shafts. Replacement of these seals re-quires no disassembly. 1. When replacing trunnion shaft seals, remove retain-ing ring and washer from the housing and shaft. 2. Pry lip seal carefully off the shaft. Make ...

Traction Pump Disassembly 1. Remove charge pump from variable housing (see Charge Pump Disassembly). 2. Remove lip seals from shaft and trunnion shafts (see Shaft Seal Removal). IMPORTANT: All exposed surfaces are critical. Use caution to avoid damage to exposed surfaces. 3. Remove four cap screws a...

Traction Pump Inspection 1. Inspect end cap (Fig. 45). A. Bearing needles must remain in the cage, roll freely, and not be bent or damaged. Remove and re-place bearings as necessary. B. Journal bearing must be free of damage. C. Needle and journal bearings should protrude be-yond face from 3/32 to 1...

NOTE: When properly installed, a light spring compres- sion can be felt when pushing the cylinder block assem-bly into the variable housing. 9. Position variable housing in a horizontal position. Slide cylinder block assembly over the shaft engaging splines. Make sure pistons and thrust plate remain...

Front Wheel Motor 15 12 11 8 18 21 16 20 14 22 1 4 6 9 5 10 7 17 2 3 19 FRONT RIGHT 45 to 55 ft–lb 6.2 to 7.6 kg–m 200 to 400 ft–lb 27.7 to 55.3 kg–m Figure 53 1. Hydraulic motor 9. Relube flangette 16. Spindle 2. 45 o hydraulic fitting 10. Flangette 17. Bearing 3. Hydraulic hose 11. Bearing tab 18....

8. Remove both socket head screws and lock nuts se-curing the hydraulic motor the fork. WARNING Before jacking up the machine, review and follow Jacking Instructions in Chapter 1 – Safety. IMPORTANT: Support wheel and motor when jack-ing up the front fork to prevent dropping and dam-aging the motor....

Sand Pro 2020/3020/5020 Hydraulic System (Rev. A) Page 4 – 60 Rear Wheel Motors (SP 5020) 1. O–ring2. O–ring3. O–ring4. O–ring5. Woodruff key 6. Brake lever 7. Not used 8. Left wheel motor9. Hydraulic tube 10. Hydraulic tube11. Hydraulic straight fitting12. Right wheel motor13. Hydraulic straight fi...

Sand Pro 2020/3020/5020 Hydraulic System (Rev. A) Page 4 – 62 Wheel Motor Service 1. Dirt & water seal2. Bearing3. Housing4. Back–up washer 5. Seal ring 6. Back–up washer 7. Inner seal 8. Thrust washer 9. Thrust bearing 10. Bearing 11. Coupling shaft12. Thrust bearing13. Drive link14. Cap screw1...

Disassembly (Fig. 60) it could dislodge during service and cause in- WARNING If the wheel motor is not held firmly in the vise, jury. 1. Place wheel motor in a soft jawed vice with the cou-pling shaft (11) pointed down and the vise jaws clamping firmly on the sides of the housing (3). 2. Scribe an a...

9. Remove seal ring (5) that is between the rotor set and wearplate (18). 10. Remove drive link (13) from the coupling shaft (11) if it was not removed with rotor set and wear plate (18). Remove seal ring (5) from housing (3). 11. Remove thrust bearing (12) from the top of the cou-pling shaft (11). ...

6. Inspect manifold (22) for cracks, surface scoring, peening, chipping. Replace manifold if any of these conditions exist. A polished pattern on the ground sur-face from commutator or rotor rotation is normal. NOTE: The rotor set consists of the rotor (19), vanes (20), and stator (21). Rotor set co...

14. If the housing (3) has passed inspection to this point, inspect outer bearing (2), inner bearing (10), thrust washers (8), and thrust bearing (9). Bearing roll-ers must be firmly retained in the bearing cages but must rotate and orbit freely. All rollers and thrust washers must be free of peenin...

Removal (Fig. 87) 1. Before removing any parts from the hydraulic sys-tem, park machine on a level surface, set brake, lower attachment, and stop engine. CAUTION draulic oil. Controls must be operated with the tion switch. Operate all hydraulic controls to relieve system pressure and avoid injury fr...

2 CAUTION drostat from the frame. One person should operate the chain fall or jack while the other person guides the engine and hy- 3. Plug both ends of oil cooler. Clean exterior of cooler. Make sure fins are clear of dirt and debris. 4. The oil cooler should be free of corrosion, cracked tubes, an...

Chapter 5 Electrical Systems Table of Contents ELECTRICAL SCHEMATICS AND DIAGRAMS . . . 2 ELECTRICAL SYSTEM QUICK CHECKS . . . . . . . . 9 Sand Pro 2020/3020 Electrical Schematic . . . . . . 2 Battery Test (Open Circuit) . . . . . . . . . . . . . . . . . . . 9 Sand Pro 2020/3020 COMPONENT TESTING . ...

BLACK Sand Pro 2020/3020/5020 Page 5 – 2 Electrical Systems OPTIONAL LIGHTS BLUE/WHITE BLACK BLACK BLACK BLACK RED/WHITE BLUE BLUE GREEN RED BLACK – + NEUTRAL SWITCH FUSE (20 AMP) RED RED WHITE RED SOLENOID HOUR METER IGNITION SWITCH BLUE + – ENGINE FUEL REG. GROUND SOLENOID M B L A S G OFF RUN B+L+...

HOUR ST AR T METER SOLENOID GROUND FUSE ENGINE J3 J4 J5 J6 J7 J8 P1 P3 P4 J1 1 1 1 1 1 1 1 A B 1 1 1 W8 W10 W2 W3 W14 W13 W5 W6 W5 W7 W10 W12 W1 W4 W4 1 W3 J12 NEUTRAL SWITCH W14 1 W6 J13 W8 W1 W9 B S W13 IGNITION W12 M P2 SWITCH L G SP1 W9 W7 J2 A W1 1 W1 1 W2 1 1 J15 J14 HOUR OPTIONAL METER LIGHTS...

ENGINE METER SOLENOID GROUND AL T FUEL MAGNET O HOUR ST AR T FRAME FUSE J3 J4 J6 J5 J7 J8 P1 P3 P4 J1 1 WIRE IDENTIFICATION LABEL COLOR AWG TYPE W1 N/A 18 FUSABLE LINK ROUTE J7 TO SP1 Sand Pro 5020 W2 RED 14 GPT W3 RED/WHT 14 GPT SP1 TO J2 TO P2–5 SP2 Harness and Wiring Diagram W4 N/A 18 FUSABLE LIN...

Special Tools Order special tools from the TORO SPECIAL TOOLS Some tools may also be available from a local supplier. AND APPLICATIONS GUIDE (COMMERCIAL PROD- UCTS). Multimeter The meter can test electrical components and circuits for current, resistance, or voltage. NOTE: Toro recommends the use of...

Starting Problems (continued) Problem Possible Causes Engine cranks, but does not start. Wiring to start circuitry (see Wiring Schematics) is loose, corroded, or damaged. 10 ampere fuse is missing or open (SP 5020). Ignition switch is faulty. Fuel solenoid is faulty. Spark plugs are faulty. Engine o...

Electrical System Quick Checks Battery Test (Open Circuit Test) Use a multimeter to measure the voltage between the battery terminals. Set multimeter to the DC volts setting. The battery should be at a temperature of 60 to 100 _ F (16 to 38 _ C). The ignition key should be off and all accessories tu...

Component Testing For accurate resistance and/or continuity checks, elec-trically disconnect the component being tested from the circuit (e.g. unplug the ignition switch connector before doing a continuity check). NOTE: For more component testing information, see the Briggs and Stratton Vanguard Ser...

Hour Meter IMPORTANT: Make sure to observe polarity on the meter label when testing. Damage to the meter may result from an improper connection. 1. Connect the positive (+) terminal of a 12 VDC source to the positive terminal of the hour meter. 2. Connect the negative (–) terminal of the voltage sou...

Starter Solenoid NOTE: Prior to taking small resistance readings with a digital multimeter, short the test leads together. The me-ter will display a small resistance value (usually 0.5 ohms or less). This resistance is due to the internal re-sistance of the meter and test leads. Subtract this value ...

Service and Repairs NOTE: For more component repair information, see the Briggs and Stratton Vanguard Service and Repair Manual for 4–Cycle, V–Twin Cylinder, OHV Engines. Battery Storage If the machine will be stored for more than 30 days 1. Remove the battery and charge it fully (see Battery Servic...

Sand Pro 2020/3020/5020 Page 5 – 14 Electrical Systems Battery Service The battery is the heart of the electrical system. Withregular and proper service, battery life can be extend.Additionally, battery and electrical component failurecan be prevented. CAUTION When working with batteries, use extrem...

Inspection, Maintenance, and Testing (Fig. 12) 1. Perform following inspections and maintenance: A. Check for cracks caused by overly tight hold– down clamp. Replace battery if cracked and leak-ing. B. Check battery terminal posts for corrosion. Use a terminal brush or steel wool to clean corrosion ...

E. Connect a battery load tester to the battery ter-minals following the manufacturer’s instruc-tions. Connect a digital multimeter to the battery terminals. F. Apply a test load of one half the Cranking Perfor-mance (see Battery Specifications) rating of the bat-tery for 15 seconds. G. Take a volta...

2. Determine the charging time and rate using the manufacturer’s battery charger instructions or the following table. Battery Battery Charge Level Reserve (Percent of Fully Charged) Capacity Capacity (Minutes) 75% 50% 25% 0% 80 or less 3.8 hrs 7.5 hrs 11.3 hrs 15 hrs @ @ @ @ 3 amps 3 amps 3 amps 3 a...

Optional Lights After market lighting kits are available for the SP 2020/3020 and SP 5020. These kits can be electrically connected to the machine’s electrical system using the proper wiring diagram as a guide (see Sand Pro 2020/3020 or Sand Pro 5020 Harness and Wiring Dia-grams). IMPORTANT: Do not ...

Chapter 6 Wheels, Brakes, and Miscellaneous Table of Contents SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Adjust Steering Chain . . . . . . . . . . . . . . . . . . . . . . . 3 Adjust Brake (SP 2020...

Sand Pro 2020/3020/5020 Page 6 – 3 Wheels, Brakes,and Miscellaneous Adjustments Adjust Steering Chain NOTE: Since the chain and sprocket are subjected tosand thrown up by the front tire, inspect them frequentlyfor wear. If either the chain or sprocket is worn beyondacceptable limits, replace both ch...

Adjust Brake (SP 2020/3020) CAUTION check the brakes in a wide open area that is flat and free of other persons and obstructions. Before and after adjusting the brakes, always 1. While driving the machine, pull brake lever. Both wheels should lock equally. 2. Park machine on a level surface, turn en...

Front Wheel (SP 2020) 10 6 2 1 11 5 5 4 7 13 5 7 6 3 12 5 9 4 8 2 1 FRONT RIGHT 14 3 Figure 6 1. Hex nut 6. Bearing 11. Lug nut 2. Lock washer 7. Locking collar 12. Drive stud 3. Carriage bolt 8. Tire 13. Wheel rim 4. Set screw 9. Front axle 14. Valve stem 5. Bearing flange 10. Front fork Removal (F...

Installation (Fig. 6) 4. Secure bearing flanges to the front fork with car- 1. Position front axle and drive studs through the wheel rim. Secure axle to rim with lug nuts to studs. Torque nuts from 45 to 55 ft–lb (6.2 to 7.6 kg–m). 2. Place bearing between two bearing flanges. Slide assembly onto ax...

Front Wheel (SP 3020 and SP 5020) FRONT RIGHT 9 12 8 7 4 15 16 13 2 5 1 6 3 14 10 11 17 Figure 7 1. Set screw 7. Bearing tab 13. Spindle 2. Locking collar 8. Front fork 14. Bearing 3. Cap screw 9. Socket head screw 15. Lug nut 4. Lock nut 10. Lock nut 16. Drive stud 5. Relube flangette 11. Hydraulic...

Sand Pro 2020/3020/5020 Page 6 – 10 Wheels, Brakes, and Miscellaneous Rear Wheels and Brakes 1. Lug nut2. Drive stud 3. Wheel4. Hub5. Lock nut 6. Motor shaft 7. Brake drum 8. Woodruff key 9. Cotter pin 10. Clevis pin11. Brake lever12. Clevis13. Backing plate14. Retaining clip15. Return spring16. Bra...

Brake Linkages (SP 2020/3020) 5 7 12 11 10 15 13 14 16 7 17 4 3 7 2 1 9 18 8 20 19 6 8 9 21 RIGHT FRONT Figure 10 1. Cap screw 8. Clevis 15. Side flange bearing 2. Lock nut 9. Jam nut 16. Cap screw 3. Brake lever 10. Brake rod 17. Brake arm 4. Spacer 11. Adjusting rod 18. Adjusting rod 5. Clevis pin...

Sand Pro 2020/3020/5020 Page 6 – 14 Wheels, Brakes, and Miscellaneous Front Fork and Steering (SP 2020 and Older SP 3020 Models) 1. Steering wheel 2. Roll pin 3. Upper steering shaft4. Sleeve bushing 5. Steering post 6. Cap screw 7. Flange bushing 8. Drive–lock pin 9. Sprocket10. Front fork (SP 2020...

Sand Pro 2020/3020/5020 Page 6 – 15 Wheels, Brakes,and Miscellaneous Front Fork and Steering (Newer SP 3020 Models) 1. Steering wheel 2. Roll pin 3. Upper steering shaft4. Sleeve bushing 5. Steering post 6. Cap screw 7. Flange bushing 8. Drive–lock pin 9. Sprocket10. Front fork11. Lock nut12. Steeri...

Front Fork (SP 5020) Removal (Fig. 20) NOTE: If disassembly of the front fork and its bearings is required, proceed as follows: WARNING Before jacking up the machine, review and follow Jacking Instructions in Chapter 1 – Safety. 1. Jack up front wheel enough to allow removal of the front fork. 2. Re...