Troubleshooting - Homelite UT10540 Operator's Manual

Problem
Engine will not No spark.
start. [Make sure
ignition switch is in
Engine is flooded.
the RUN ( l ) posi-
tion.]
Engine starts but Carburetor requires
"L" (Low Jet)
will not accelerate
properly. adjustment.
Engine starts, then Carburetor requires
"L" (Low Jet)
dies.
adjustment.
Engine starts but Carburetor requires
"H" (High Jet)
will not run proper-
ly at high speed. adjustment.
Engine does not Lubricant/fuel
reach full speed mixture incorrect.
and/or emits ex-
Air filter is dirty.
cessive smoke.
Carburetor requires
"H" (High Jet)
adjustment.

TROUBLESHOOTING

Possible Cause
Page 38 — English
Clean or replace spark plug. Reset spark plug gap. Refer
to Spark Plug Replacement earlier in this manual.
With the ignition switch OFF, remove spark plug. Move
choke lever to RUN position (pushed in completely) and
pull starter cord 15 to 20 times. This will clear excess
fuel from engine. Clean and reinstall spark plug. Set igni-
tion switch to RUN ( l ) position. Push and fully release
primer bulb 7 times. Pull starter three times with choke
lever at RUN. If engine does not start, move choke lever
to FULL CHOKE and repeat normal starting procedure.
If engine still fails to start, repeat procedure with a new
spark plug.
Contact an authorized service center for carburetor
adjustment.
Contact an authorized service center for carburetor
adjustment.
Contact an authorized service center for carburetor
adjustment.
Use fresh fuel and the correct 2-cycle lubricant mix
ratio.
Clean air filter. Refer to Cleaning the Air Filter in the
Maintenance section of this manual.
Contact an authorized service center for carburetor
adjustment.
Solution