MTD OEM-190-821 Operator's Manual download pdf (Page 28)

SECTION 11: TROUBLESHOOTING

Trouble Possible Cause(s) Corrective Action

Engine fails to start PTO 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 PTO lever in disengaged (OFF)

position.

Engage parking brake.

Connect wire(s) to spark plug(s).

Place throttle lever to FAST position.

Pull out the CHOKE control (if so equipped) or place the

throttle control in CHOKE position.

Fill tank with clean, fresh (less than 30 days old) gas.

Clean fuel line or replace fuel filter, if so equipped.

Clean, adjust gap or replace plug.

Crank engine with throttle in FAST position.

Engine runs erratic Unit running with CHOKE applied.

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 (if so equipped) in, or move the

throttle control out of the CHOKE position.

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 cartridge/element or clean pre-

cleaner, if so equipped.

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(s) gap too close. Remove spark plug(s) and reset the gap.

Idles poorly Spark plug(s) fouled, faulty or gap too

wide.

Dirty air cleaner.

Replace spark plug(s). Set plug(s) gap.

Replace air cleaner cartridge/element or clean pre-

cleaner, if so equipped.

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 control 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.

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 51 52

Comments to this Manuals

No comments

MTD OEM-190-821 Operator's Manual Page 28

Comments to this Manuals

Related products and manuals for Lawnmowers MTD OEM-190-821