Troy-Bilt 24A-070F766 ユーザーズマニュアル

15

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

Engine fails to start

1.

Spark plug wire disconnected.

2.

Fuel tank empty or stale fuel.

3.

Throttle control lever not in correct 
starting position.

4.

Choke not in CHOKE position. (If 
Equipped)

5.

Engine (if equipped with a primer) 
not primed properly. 

6.

Blocked fuel line.

7.

Faulty spark plug.

1.

Connect wire to spark plug.

2.

Fill tank with clean, fresh gasoline.

3.

Move throttle lever to FAST position.

4.

Move choke to CHOKE position.

5.

Prime engine.

6.

Clean fuel line.

7.

Clean, adjust gap, or replace.

Engine runs erratic

1.

Spark plug wire loose.

2.

Unit running on CHOKE. (If 
Equipped)

3.

Blocked fuel line or stale fuel.

4.

Water or dirt in fuel system.

5.

Dirty air cleaner.

6.

Carburetor out of adjustment.

1.

Connect and tighten spark plug wire.

2.

Move choke lever to OFF position.

3.

Clean fuel line; fill tank with clean, fresh 
gasoline.

4.

Drain fuel tank. Refill with fresh fuel.

5.

Clean or replace air cleaner.

6.

See authorized service dealer.

Too much vibration

1.

Loose parts or damaged impeller.

1.

See authorized service dealer.

Engine overheats

1.

Engine oil level low.

2.

Dirty air cleaner.

3.

Carburetor not adjusted properly.

1.

Fill crankcase with proper oil.

2.

Clean or replace air cleaner.

3.

See authorized service dealer.

Occasional skip (hesitates) 
at high speed

1.

Spark plug gap too close.

1.

Adjust gap to.030”.

Unit does not discharge

1.

Discharge area clogged.

2.

Foreign object lodged in impeller.

3.

Low engine RPM

4.

Vacuum bag is full.

1.

Stop engine immediately and 
disconnect spark plug wire. Clean flail 
screen and inside of discharge opening.

2.

Stop engine and disconnect spark plug 
wire. Remove lodged object.

3.

Always run engine at full throttle.

4.

Empty bag.

Rate of discharge slows 
considerably or 
composition of discharged 
material changes.

1.

Low engine RPM.

2.

Chipper blade dull.

1.

Always run engine at full throttle.

2.

Replace chipper blade or see your 
authorized service dealer.

Unit fails to propel itself or 
slips when drive control is 
engaged

1.

Drive control cable out of 
adjustment.

2.

Drive belt worn or damaged.

1.

Follow adjustment procedure in Service 
and Adjustments section of manual.

2.

See authorized service dealer.