Troubleshooting - Homelite UT32605 Operator's Manual

Problem
Engine starts but will not accelerate.
Engine starts but will only run at high
speed at half choke.
Engine does not reach full speed and
emits excessive smoke.
Engine starts, runs, and accelerates
but will not idle.
Line will not advance.
Spool retainer hard to turn.
Grass wraps around drive shaft hous-
ing and string head.
Lubricant drips from muffler.

TROUBLESHOOTING

Possible Cause
Engine requires approximately three
minutes to warm up.
Carburetor requires adjustment.
Check lubricant fuel mixture.
Air filter is dirty.
Carburetor out of adjustment.
Idle speed screw on carburetor needs
adjustment.
Line is welded to itself.
Not enough line on spool.
Line is worn too short.
Line is tangled on spool.
Engine speed is too slow.
Screw threads are dirty or damaged.
Cutting tall grass at ground level.
Operating trimmer at part throttle.
Operating trimmer at part throttle.
Check lubricant/fuel mixture.
Air filter screen dirty.
Page 13 — English
Solution
Allow engine to completely warm up. If
engine does not accelerate after three
minutes, contact a servicing dealer.
Contact an authorized servicing dealer.
Use fresh fuel and the correct 2-cycle
lubricant mix.
Clean air filter. Refer to Cleaning the
Air Filter Screen earlier in this manual.
Contact an authorized servicing dealer.
Turn idle speed screw clockwise to
increase idle speed. See figure 16.
Lubricate with silicone spray.
Install more line. Refer to Line
Replacement earlier in this manual.
Pull line while alternately pressing
down on and releasing spool retainer.
Remove line from spool and rewind.
Refer to Line Replacement earlier in
this manual.
Advance line at full throttle.
Clean threads and lubricate with
grease – if no improvement, replace
the spool retainer.
Cut tall grass from the top down to
prevent wrapping.
Operate trimmer at full throttle.
Operate trimmer at full throttle.
Use fresh fuel and the correct 2-cycle
lubricant mix.
Clean air filter. Refer to Cleaning the
Air Filter Screen earlier in this manual.