Cub Cadet SLT1554 ユーザーズマニュアル

32

Engine fails to start

PTO/Blade Engage knob engaged.
Parking brake not engaged.
Spark plug wire(s) disconnected.
Throttle control lever not in correct 
starting position.
Choke not activated
Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.

Place knob in disengaged (OFF) position.
Engage parking brake.
Connect wire to spark plug.
Place throttle lever to FAST position.

Pull out the CHOKE control.
Fill tank with clean, fresh (less than 30 days old) gas.
Clean fuel line or replace fuel filter.
Clean, adjust gap or replace plug.
Crank engine with throttle in FAST position.

Engine runs erratic

Unit running with CHOKE activated.
Spark plug wire(s) loose.
Blocked fuel line or stale fuel.

Vent in gas cap plugged.
Water or dirt in fuel system.

Dirty air cleaner.

Push CHOKE control in.
Connect and tighten spark plug wire(s).
Clean fuel line; fill tank with clean, fresh (less than 30 

days old) gasoline. Replace fuel filter, if so equipped.

Clear vent or replace cap if damaged.
Drain fuel tank. Refill with clean, fresh (less than 30 

days old) gasoline.

Replace air cleaner paper element or clean foam

precleaner. 

Engine overheats

Engine oil level low.
Air flow restricted.

Fill crankcase with proper capacity and weight of oil.
Clean grass clippings and debris from around the

engine’s cooling fins and blower housing. 

Engine hesitates at high RPM Spark plug gap too close.

Remove spark plug and reset the gap.

Idles poorly

Spark plug fouled, faulty or gap too 
wide.
Dirty air cleaner.

Replace spark plug. Set plug gap.

Replace air cleaner cartridge/element or clean

pre-cleaner. 

Excessive vibration

Cutting blade loose or unbalanced.
Damaged or bent cutting blade.

Tighten blade and spindle. Balance blade. 
Replace blade.

Mower will not mulch grass

Engine speed too low.
Wet grass.
Excessively high grass.

Dull blade.

Place throttle in FAST (rabbit) position.
Do not mow when grass is wet; wait until later to cut.
Mow once at a high cutting height, then mow again at 

desired height or make a narrower cutting swath.

Sharpen or replace blade.

Uneven cut

Deck not balanced properly.
Dull blade.
Uneven tire pressure.

Perform side-to-side deck adjustment.
Sharpen or replace blade.
Check tire pressure in all four tires.