McCulloch MC1236STA manual With attachment clutch

Page 25

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 seat

 

 

 

corrected, contact an authorized service center/

with attachment clutch

 

 

 

department.

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) or lamp(s) burned out.

2.

Replace bulb(s) or lamp(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.

 

 

 

 

 

Engine “backfires” when

1.

Engine throttle control not set at “SLOW”

1.

Move throttle control to “SLOW” position and allow

turning engine “OFF”

 

position for 30 seconds before stopping engine.

 

to idle for 30 seconds before stopping engine.

 

 

 

 

 

25

Image 25
Contents Model NO. MC1236ST MC1236STA IV. Service Safety RulesGeneral Operation II. Slope OperationSafety Rules Table of Contents Steering Wheel Seat Unassembled PartsTools Required for Assembly AssemblyHOW to SET UP Your Tractor To Remove Tractor from CartonConnect Battery See Figs Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Before Starting the Engine To Start Engine See Fig Mowing TipsGeneral Recommendations MaintenanceBefore Each USE Brake Operation TractorTires Operator Presence SystemEngine Clean AIR INTAKE/COOLING Areas CleaningMuffler Spark PlugsTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig Belt Installation To Level Mower HousingTo Replace Mower Blade Drive Belt See Fig Belt RemovalTo Adjust Brake To Check and Adjust Brake See FigTo Replace Motion Drive Belt See Fig To Check BrakeTo Start Engine with a Weak Battery See Fig To Adjust Steering Wheel ALIGN- MentFront Wheel TOE-IN/CAMBER To Remove Wheel for Repairs See FigTo Adjust Throttle Control Cable To Remove Hood and Grill Assembly See FigTo Adjust Carburetor Interlocks and RelaysOther StorageFuel System Engine OILTroubleshooting Points With attachment clutch Service Notes Schematic Repair PartsElectrical KEY Part NO. NO. Description Chassis and Enclosures Repair Parts 116 DriveRepair Parts Steering Repair Parts Optional Equipment EngineSeat Wheels & Tires DecalsMower Lift Mower Deck KEY Part Description Policy Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation