Troy-Bilt 414, 424 manual Trouble Shooting, Problem, Cause, Remedy

Models: 424 414

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Trouble

6

Trouble

Shooting

For repairs beyond the minor adjustments listed here, contact an authorized service dealer.

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Throttle lever not in correct starting

1.

Move throttle lever to FAST or

 

 

position (if equipped).

 

START position.

 

2.

Spark plug wire disconnected.

2.

Connect wire to spark plug.

 

3.

Choke not in CHOKE position (if

3.

Move choke lever to CHOKE

 

 

equipped).

 

position.

 

4.

Fuel tank empty or stale fuel.

4.

Fill tank with clean, fresh gasoline.

 

5.

Engine not primed (if equipped).

5.

Prime engine as instructed in

 

 

 

 

Engine Manual.

 

6.

Faulty spark plug.

6.

Clean, adjust gap, or replace.

 

 

 

 

7.

Blocked fuel line.

7.

Clean fuel line.

 

 

 

 

8.

Engine flooded.

8.

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.

Unit running on CHOKE (if equipped).

2.

Move choke lever to OFF position.

 

3.

Blocked fuel line or stale fuel.

3.

Clean fuel line; fill tank with clean,

 

 

 

 

fresh gasoline.

 

4.

Vent in gas cap plugged.

4.

Clear vent.

 

5.

Water or dirt in fuel system.

5.

Drain fuel tank. Refill with

 

 

 

 

fresh fuel.

 

6.

Dirty air cleaner.

6.

Refer to engine manual.

 

7.

Carburetor out of adjustment.

7.

See authorized service dealer.

 

 

 

 

 

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Dirty air cleaner.

2.

Refer to engine manual.

 

3.

Carburetor not adjusted properly.

3.

See authorized service dealer.

 

 

 

 

 

Occasional skips

1.

Spark plug gap too close.

1.

Adjust gap to .030”.

(hesitates) at

2.

Carburetor idle mixture adjustment

2.

See authorized service dealer.

high speed

 

improperly set.

 

 

 

 

 

 

 

Excessive

1.

Loose parts or damaged impeller.

1.

See authorized service dealer.

Vibration

 

 

 

 

 

 

 

 

 

Unit does not

1.

Chute deflector clogged.

1.

Stop engine immediately and

discharge

 

 

 

disconnect spark plug wire. Clean

 

 

 

flail screen and inside of discharge

 

 

 

 

 

 

 

 

opening.

 

2.

Foreign object lodged in impeller.

2.

Stop engine and disconnect spark

 

 

 

 

 

 

 

plug wire. Remove lodged object.

 

3.

Low engine RPM.

3.

Always run engine at full throttle.

 

 

 

 

 

Rate of discharge

1.

Low engine RPM.

1.

Always run engine at full throttle.

slows considerably

2.

Chipper blade dull.

2.

Replace chipper blade or see your

or composition of

 

 

 

authorized service dealer.

discharged material

 

 

 

 

changes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Troy-Bilt 414, 424 manual Trouble Shooting, Problem, Cause, Remedy