7. TROUBLESHOOTING
Problem
Cause
Remedy
Engine Fails to start
1.
Control lever disengaged.
2.
Spark plug boot disconnected.
3.
Fuel tank empty or stale fuel.
4.
Engine not primed (if equipped
with primer).
5.
Faulty spark plug.
6.
Blocked fuel line.
7.
Engine flooded.
8.
Fuel valve (if equipped) closed.
9. Engine not choked (if equipped
with choke).
1.
Engage control lever.
2.
Connect wire to spark boot.
3.
Fill tank with clean, fresh gasoline.
4.
Prime engine as instructed in the
Operation section.
5.
Clean, adjust gap, or replace.
6.
Clean fuel line.
7.
Wait a few minutes to restart,
but do not prime.
8.
Open fuel valve. See engine
manual.
9. Choke engine. See engine
manual.
Engine runs erratic
1.
Spark plug boot 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.
Unit running with CHOKE (if
equipped) applied.
1.
Connect and tighten spark plug
boot.
2.
Clean fuel line; fill tank with
clean, fresh gasoline.
3.
Clear vent.
4.
Drain fuel tank. Refill with fresh
fuel.
5.
Refer to engine manual.
6.
Push CHOKE knob in.
Engine overheats
1.
Engine oil level low.
2.
Air flow restricted.
1.
Fill crankcase with proper oil.
2.
Clean area around and on top of
engine.
Occasional skips
(hesitates) at high
speed
1.
Spark plug gap too close.
1. Adjust gap to .030”.
Idles poorly
1.
Spark plug fouled, faulty, or gap
too wide.
2.
Dirty air cleaner.
1.
Reset gap to .030” or replace spark
plug.
2.
Refer to engine manual.
Excessive Vibration
1.
Spindle wing nuts loose.
2.
Spindle damaged.
1.
Tighten wing nuts.
2.
See an authorized service dealer.
Poor Trimming
Performance
1.
Trimmer line too short or worn.
2.
Worn or damaged spindle belt.
1.
Replace trimmer line.
2.
Replace spindle belt.
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