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Troubleshooting - Troy-Bilt 258 Operator's Manual

22" string trimmer mower
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Keeper
Lock Nut
Figure 11
Storing YourStringTrimmerMower
Clean the equipment thoroughly.
Wipe equipment with a oiled rag to prevent rust.
Refer to engine manual for correct engine storage
instructions.
Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
For more compact storage, store unit in the
shipping position with the upper handle folded
toward engine. See ASSEMBLY section for details.
SECTION 8: TROUBLESHOOTING
Problem
Cause
Engine fails to start
Engine runs erratic
Engine overheats
Occasional skip (hesitates
at high speed
1.
Spark plug wire disconnected.
2.
Fuel tank empty or stale fuel.
3.
Throttle control lever not in correct
starting position. (If Equipped)
4.
Blocked fuel line.
5.
Faulty spark plug.
6.
Engine flooded
1.
Spark plug wire loose.
2.
Blocked fuel line or stale fuel.
3.
Vent in gas cap plugged.
4.
Water or dirt in fuel system.
5.
Dirty air cleaner.
6.
Carburetor out of adjustment.
1.
Engine oil leveliow.
2.
Dirty air cleaner.
3.
Air flow restricted.
4.
Carburetor not adjusted properly.
1.
Spark plug gap too close.
Remedy
1.
Connect wire to spark plug.
2.
Fill tank with clean, fresh gasoline.
3.
Move throttle lever to FAST or START
position.
4.
Clean fuel line.
5.
Clean, adjust gap, or replace.
6.
Wait a few minutes to restart, but do not
prime.
1.
Connect and tighten spark plug wire.
2.
Clean fuel line; fill tank with clean, fresh
gasoline
3.
Clear vent.
4.
Drain fuel tank. Refill with fresh fuel.
5.
Replace air cleaner.
6.
See authorized service dealer.
1.
Fill crankcase with proper oil.
2.
Replace air cleaner.
3.
Remove blower housing and clean.
4.
See authorized service dealer.
1.
Adjust gap to.030".
Idles poorly
1.
1.
Reset gap to .030" or replace spark
plug.
2.
2.
See authorized service dealer.
3.
3.
Replace air cleaner.
Poor trimming
1.
1.
Replace trimmer string.
performance
2.
2.
Adjust trimmer string to equal lengths.
Spark plug fouled, faulty or gap too
wide.
Carburetor improperly adjusted.
Dirty air cleaner.
Trimmer string too short.
Trimmer string lengths are
substantially different.
Dirty air cleaner.
Engine not at FULL throttle.
.
4.
5.
Belt does not have enough tension.
NOTE: For repairs beyond the minor adjustments listed above, contacl
3.
Replace air cleaner.
4.
Set engine to FULL throttle.
(If Equipped)
5.
Check idler for proper belt tension.
_our nearest authorized service dealer.
13

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