Troy-Bilt OG-4904 manual Trouble Shooting, Problem Possible Causes Corrective Action

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TROUBLE SHOOTING

PROBLEM

POSSIBLE CAUSE(S)

CORRECTIVE ACTION

 

 

 

 

 

Engine fails to start

1.

Blade control handle disen-

1.

Engage blade control handle.

 

 

gaged.

 

 

 

2.

Spark plug wire disconnected.

2.

Connect spark plug wire.

 

3.

Fuel tank empty, or stale fuel.

3.

Fill tank with clean, fresh gasoline.

 

4.

Blocked fuel line.

4.

Clean the fuel line.

 

5.

Faulty spark plug.

5.

Clean, adjust gap or replace.

 

6.

Engine flooded.

6.

Wait a few minutes to restart, but

 

 

 

 

do not prime.

Engine runs erratic

1.

Spark plug wire loose.

1.

Connect and tighten spark plug wire.

 

2.

Blocked fuel line or stale fuel.

2.

Clean the fuel line; fill the tank

 

 

 

 

with clean, fresh gasoline.

 

3.

Vent in gas plugged.

3.

Clear vent.

 

4.

Water or dirt in fuel system.

4.

Drain the fuel tank and carburetor.

 

 

 

 

Refill with fresh fuel.

 

5.

Dirty air cleaner.

5.

Clean air cleaner.

 

6.

Carburetor out of adjustment.

6.

Adjust carburetor.

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Air flow restricted.

2.

Remove blower housing and

 

 

 

 

clean.

 

3.

Carburetor not adjusted prop-

3.

Adjust carburetor.

 

 

erly.

 

 

Idles poorly

1.

Spark plug fouled, faulty or gap

1.

Reset gap to .030" or replace

 

 

too wide.

 

spark plug.

 

2.

Carburetor improperly adjusted.

2. Adjust carburetor.

 

3.

Dirty air cleaner.

3.

Clean air cleaner.

Excessive vibration

1.

Cutting blade loose or unbal-

1.

Tighten blade and adapter. Bal-

 

 

anced.

 

ance blade.

 

2.

Bent cutting blade.

2.

Replace blade.

Mower will not mulch grass

1.

Wet grass.

1.

Do not mow when grass is wet;

 

 

 

 

wait until later to cut.

 

2.

Excessively high grass.

2.

Mow once at a high cutting

 

 

 

 

height, then mow again at desired

 

 

 

 

height or make a narrower cutting

 

 

 

 

path.

 

3.

Dull blade.

3.

Sharpen or replace blade.

Uneven cut

1.

Wheels not positioned correctly.

1.

Place all four wheels in same

 

 

 

 

hight position.

 

2.

Dull blade.

2.

Sharpen or replace blade.

Wheels will not propel

1.

Belt not installed properly.

1.

Check belt for proper pulley in-

 

 

 

 

stallation and movement.

 

2.

Debris clogging drive operation.

2. Clean out debris.

NOTE: For repairs beyond the minor adjustments listed above, contract your nearest authorized service dealer.

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Contents SET-UP Operation Maintenance Calling Customer Support Table of ContentsImportant Safe Operation Practices When you see this symbol- heed its warningGeneral Operation Children Service Safe Handling of GasolineSlope Operation Do notGeneral Service Feet every On such a Owners Safety Label ManualSET-UP Instructions HOW to SET-UP Your Lawn MowerDrive Clutch Control ControlsBlade Control Handle Recoil StarterCaster Lock OperationBefore Starting Models with Electric Start only Recoil Start Models only Neutral Test for ALL ModelsTo Start Engine and Engage Blade Electric Start Models onlyEmptying Your Grass BAG Using Your Rotary MowerTo Stop Engine Bagging Grass ClippingsDrive Clutch Control Adjustment AdjustmentModels with Single Lever Height Adjusters Handle Height AdjustmentLubrication MaintenanceSIX Speed Shift Cable Adjustment Carburetor AdjustmentBlade Mounting Torque Belt Removal and ReplacementDeck Cutting BladeHex Pin Half Lower Pulley IN-LINE Fuse Battery Pack Replacement Electric start Models OnlyStorage of the Battery OFF Season Storage InstructionsCommercial USE Three 3 Year Limited WarrantyTractor Attachment Warranty Personal USEProblem Possible Causes Corrective Action Trouble Shooting