Poulan 178112 owner manual Off

Page 28

TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

Engine continues to run

1.

Faulty operator-safety presence control system.

1.

Check wiring, switches and connections. If not

when operator leaves

 

 

 

corrected, contact an authorized service center/

seat with attachment

 

 

 

department.

clutch engaged

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

2.

Mower deck not level.

2.

Level mower deck.

 

3.

Buildup of grass, leaves, and trash under mower.

3.

Clean underside of mower housing.

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

5.

Clogged mower deck vent holes from buildup of

5.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Mower blades will not

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

Poor grass discharge

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

2.

Travel speed too fast.

2.

Shift to slower speed.

 

3.

Wet grass.

3.

Allow grass to dry before mowing.

 

4.

Mower deck not level.

4.

Level mower deck.

 

5.

Low/uneven tire air pressure.

5.

Check tires for proper air pressure.

 

6.

Worn, bent or loose blade.

6.

Replace/sharpen blade. Tighten blade bolt.

 

7.

Buildup of grass, leaves and trash under mower.

7.

Clean underside of mower housing.

 

8.

Mower drive belt worn.

8.

Replace mower drive belt.

 

9.

Blades improperly installed.

9.

Reinstall blades sharp edge down.

 

10.

Improper blades used.

10.

Replace with blades listed in this manual.

 

11.

Clogged mower deck vent holes from buildup of

11.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Headlight(s) not working

1.

Switch is “OFF”.

1.

Turn switch “ON”.

(if so equipped)

2.

Bulb(s) burned out.

2.

Replace bulb(s).

 

3.

Faulty light switch.

3.

Check/replace light switch.

 

4.

Loose or damaged wiring.

4.

Check wiring and connections.

 

5.

Blown fuse.

5.

Replace fuse.

 

 

 

 

 

Battery will not charge

1.

Bad battery cell(s).

1.

Replace battery.

 

2.

Poor cable connections.

2.

Check/clean all connections.

 

3.

Faulty regulator (if so equipped).

3.

Replace regulator.

 

4.

Faulty alternator.

4.

Replace alternator.

 

 

 

 

 

Loss of drive

1.

Freewheel control in “disengaged” position.

1.

Place freewheel control in “engaged” position.

 

2.

Motion drive belt worn, damaged, or broken.

2.

Replace motion drive belt.

 

3.

Air trapped in transmission during shipment

3.

Purge transmission.

 

 

or servicing.

 

 

 

 

 

 

 

Engine “backfires”

1.

Engine throttle control not set at “SLOW”

1.

Move throttle control to “SLOW” position and allow

when turning engine

 

position for 30 seconds before stopping engine.

 

to idle for 30 seconds before stopping engine.

“OFF”

 

 

 

 

 

 

 

 

 

28

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Contents PR20H42STC Safety Rules Safe Operation Practices for Ride-On MowersBecome ALERT!!! Your Safety is IN- Volved Table of Contents Steering Wheel Seat Unassembled PartsSlope Sheet Assembly Tools Required for AssemblyHOW to SET UP Your Tractor To Remove Tractor from CAR- TONInstall Seat See Fig To SET UP Your Mower for MulchingTo Convert to Bagging or DISCHARG- ING Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor To USE Throttle Control see FIGTo Adjust Gauge Wheels See Fig To Operate Mower See FigTo Operate on Hills To Transport See FigsBefore Starting the Engine Towing Carts and Other ATTACH- MentsCheck Engine OIL Level ADD GasolineMowing Tips Purge TransmissionMulching Mowing Tips General Recommendations Customer ResponsibilitiesBefore Each USE Tractor Engine Clean AIR INTAKE/COOLING Areas CleaningEngine OIL Filter MufflerService and Adjustments To Install Mower See FigTo Level Mower Housing To Remove Mower See FigRecheck side-to-side adjustment To Adjust Brake See Fig Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Replace Motion Drive Belt See FigTransmission REMOVAL/REPLACEMENT Transaxle Motion Control Lever Neutral Adjustment See FigTo Adjust Steering Wheel Alignment Front Wheel TOE-IN/CAMBERTo Start Engine with a Weak Battery See Fig Replacing Battery See FigsTo Replace Headlight Bulb To Attach Jumper CablesInterlocks and Relays To Adjust CarburetorTo Replace Fuse Storage OtherFuel System Engine OILTroubleshooting Points OFF Schematic Tractor - Model Number PR20H42STCElectrical KEY Part Description Chassis Screw Hex Wshd 8-18 x 7/8 Drive 39 74760648 Bolt 175461 Steering Assembly KEY Part NO. NO.DESCRIPTION Seat Assembly Decals Wheels and TiresOptional Equipment EngineSpark Arrester 170771 Control Throt Mower Deck Repair Parts Mower Lift 159460 Wire Asm Inner/Sprg W/plunger LT Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation Sighting GuideParts and Service