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Toro ProLine 20 HP, Operator'S Manual

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Toro ProLine 20 HP Operator'S Manual Download Page 44

Troubleshooting

42

PROBLEM

CORRECTIVE ACTION

POSSIBLE CAUSES

Machine does not drive.

1.

Hydrostatic fluid level low.

1.

Fill hydrostatic fluid tank.

2.

Traction belt is worn, loose or
broken.

2.

Change Belt.

3.

Traction belt is off pulley.

3.

Change Belt.

Machine does not drive up hills or
inclines.

1.

By-pass valve is adjusted too
far open.

1.

Adjust by-pass valve

Machine moves slowly in neutral.

1.

Neutral is mis-adjusted.

2.

Return spring is broken or
missing.

3.

Linkage is dirty or bent.

1.

Adjust hydro pump neutral.

2.

Replace return spring.

3.

Clean and lubricate linkage.
Replace bent or worn parts.

Machine drive is too aggressive.

Mower lifts when drive is engaged.

1.

By-pass valve is adjusted too
far closed.

1.

Adjust by-pass valve

Summary of Contents for ProLine 20 HP

Page 1: ...Operator s Manual Domestic English EN Form No 3323 902 ProLine 20 HP Hydro Mid Size Traction Unit 30192 200000001 Up...

Page 2: ...out safe operation The warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury even death DANGER WARNING and CAUTION a...

Page 3: ...17 Starting and Stopping the Engine 18 Operating Mower Blade Control PTO 19 The Safety Interlock System 19 Driving Forward or Backward 20 Page Neutral 21 Stopping the Machine 21 Pushing the Machine b...

Page 4: ...l operators and mechanics should be trained The owner is responsible for training the users Never let children or untrained people operate or service the equipment Local regulations may restrict the a...

Page 5: ...reason including emptying the catchers or unclogging the chute Stop equipment and inspect blades after striking objects or if an abnormal vibration occurs Make necessary repairs before resuming opera...

Page 6: ...defects HOW TO AVOID THE HAZARD Do not run engine indoors or in an enclosed area This product is designed for cutting and recycling grass or when equipped with a grass bagger for catching cut grass An...

Page 7: ...e sudden changes in speed or direction Avoid starting or stopping on a slope If tires lose traction disengage the blades and proceed slowly straight down the slope When operating machine on slopes ban...

Page 8: ...s and clothing when working with a battery Battery gases can explode Keep cigarettes sparks and flames away from battery Hydraulic fluid escaping under pressure can penetrate the skin and cause injury...

Page 9: ...Safety 7 Slope Chart Read all safety instructions on pages 2 9...

Page 10: ...8...

Page 11: ...Safety 9 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...

Page 12: ...and stay away from an open flame or where gasoline fumes may be ignited by a spark Store gasoline in an approved container and keep it out of the reach of children Never buy more than a 30 day supply...

Page 13: ...conditioner is most effective when mixed with fresh gasoline To minimize the chance of varnish deposits in the fuel system use fuel stabilizer at all times Filling the Fuel Tank 1 Shut the engine off...

Page 14: ...tery pad Bolt 3 8 16 x 1 3 4 44 mm Locknut 3 8 16 Battery strap Battery support rod Locknut 1 4 20 Carriage bolt 1 4 20 x 3 4 19 mm Nut 1 4 20 Terminal boot 1 2 2 2 2 1 2 2 2 2 2 Install battery Flang...

Page 15: ...ase levers and move reference control bar all the way forward Left Control Rod 1 Slide clevis pin through rod fitting and mounting hole in control bracket from outside Secure with washer and hairpin c...

Page 16: ...n so rod is shorter Note Upper control bar stop must hit reference bar before roller hits control bracket stop 6 Connect rod to upper control bars with previously removed hairpin cotter tighten wing n...

Page 17: ...skin eyes or clothing Wear safety glasses to shield your eyes and rubber gloves to protect your hands Fill the battery where clean water is always available for flushing the skin Follow all instructio...

Page 18: ...arrier frame 3 Traction frame 4 Bolt 1 2 13 x 1 3 4 32 mm 5 Locknut 1 2 3 Position battery onto holder with terminal posts away from the engine Fig 8 4 Slide the red terminal boot onto the red battery...

Page 19: ...ge clutch to drive mower blades Upper Control Bar Push forward on control bar to engage forward traction operation release to stop Pull back on control bar to go backwards Release either side of contr...

Page 20: ...hese instructions can burn out starter motor 5 When engine starts move the choke control to RUN position Stopping 1 Move the throttle lever to FAST Fig 10 Note If the engine has been working hard or i...

Page 21: ...rlock System Test the safety interlock system before you use the machine each time If the safety system does not operate as described below have an Authorized Service Dealer repair the safety system i...

Page 22: ...ed is approximately 3 mph Note In normal conditions a 2 5 to 3 0 mph ground speed middle position of the reference bar is best for cutting performance Use a faster ground speed for light cutting or tr...

Page 23: ...n the ignition key to OFF to stop the engine Remember to remove the key from the ignition switch IMPORTANT If the machine is on a slope block the wheels to prevent the machine from slowly rolling IMPO...

Page 24: ...ff PTO and turn the ignition key to OFF to stop the engine 2 Loosen jam nuts and rotate by pass valves open 5 turns to push This allows hydraulic fluid to by pass the pump and the wheels to turn Fig 1...

Page 25: ...just X X Gasoline drain X Cooling systems clean X X X Hydraulic lines check X X Battery check electrolyte X X Battery charge Disconnect cables X Fuel Filter replace X X Tires check pressure X X Chippe...

Page 26: ...damage Fig 14 3 Carefully slide the foam element off the paper element Fig 14 4 Unscrew the cover nut and remove the cover and paper element Fig 14 1 2 m 1214 3 4 5 6 7 Figure 14 1 Air cleaner cover...

Page 27: ...prevent engine damage always operate the engine with the complete foam and paper air cleaner assembly installed 1 Carefully slide the foam element onto the paper air cleaner element Fig 14 2 Place the...

Page 28: ...d 2 m 1868 1 3 m 2639 Figure 17 1 Oil dipstick 2 Metal end 3 Filler tube Changing Draining Oil 1 Start the engine and let it run five minutes This warms the oil so it drains better 2 Park the machine...

Page 29: ...rankcase with the proper type of new oil refer to Changing Draining Oil page 26 Spark Plug Check the spark plug s after every 200 operating hours Make sure the air gap between the center and side elec...

Page 30: ...k plug s Fig 20 Cleaning the Cooling Systems Before each use check and clean hydraulic and engine cooling systems Remove any build up of grass dirt or other debris from the oil cooler screen and engin...

Page 31: ...to get the most accurate pressure reading Pressure 15 psi 103 kPa rear and castor tires 1 m 1872 Figure 23 1 Valve stem Fuse Service Interval Specification The electrical system is protected by a fuse...

Page 32: ...machine on a level surface to assure fuel tank drains completely Then disengage the power take off PTO and turn the ignition key to OFF to stop the engine Remove the key 2 Close fuel shut off valve at...

Page 33: ...ne 3 Filter Hydraulic System Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first started and after every 8 operating hours Fluid Type Mobilube 424 ISO 68 or equivalent...

Page 34: ...hten the filter an additional 1 2 turn Fig 29 5 Start engine and let run for about two minutes to purge air from the system Stop the engine and check for leaks If one or both wheels will not drive ref...

Page 35: ...s an adjustment may be needed Test Procedure 1 Start engine and run for 5 minutes at 3 4 throttle to warm hydraulic fluid 2 Drive the machine to a clear and level open area such as a driveway IMPORTAN...

Page 36: ...e or needle and seat may be damaged Do not exceed 50 inch pounds to close valve 11 Open by pass valve 1 2 turn Fig 30 12 Tighten jam nut to lock the adjustment Fig 30 13 Repeat Test Procedure to check...

Page 37: ...to frame with engine mounting bolt Torque engine mounting bolt to 170 220 in lb 19 24 N m 8 Connect clutch in line wire connector to wire harness m 2614 1 2 3 4 Figure 31 1 Traction belt 2 Idler pull...

Page 38: ...at 3 4 throttle to warm hydraulic fluid 3 Move control bar rearward and forward then release If wheels rotate when control bar is in neutral adjustment is required 4 Loosen top and bottom jam nuts at...

Page 39: ...ter mix thoroughly with the electrolyte solution 1 Clean the top of the battery with a paper towel 2 Lift off the filler caps Fig 34 3 Slowly pour distilled water into each battery cell until the leve...

Page 40: ...Maintenance 38 Wiring Diagram...

Page 41: ...Maintenance 39 Hydraulic Diagram...

Page 42: ...e page 29 8 For storage over 30 days prepare the traction unit as follows A Add a petroleum based stabilizer conditioner to fuel in the tank Follow mixing instructions from stabilizer manufacturer 1 o...

Page 43: ...vel in crankcase is low 3 Add oil to crankcase 4 Cooling fins and air passages under engine blower housing are plugged 4 Remove obstruction from cooling fins and air passages 5 Spark plug is pitted fo...

Page 44: ...ot drive up hills or inclines 1 By pass valve is adjusted too far open 1 Adjust by pass valve Machine moves slowly in neutral 1 Neutral is mis adjusted 2 Return spring is broken or missing 3 Linkage i...

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Page 48: ...ials or workmanship or if you need a referral to a TORO ProLine Service Dealer please feel free to contact us at the following address Toro Customer Service Department 8111 Lyndale Avenue South Bloomi...

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