Troubleshooting - Homelite HLT25SDSN Manual

TROUBLESHOOTING

Problem
Engine will not start.
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.
Bump head continues to rotate at
idle speed.
Possible cause
No spark.
No fuel.
Engine is flooded.
Starter rope now harder to pull
than when new.
Engine requires approximately
three minutes to warm up.
Carburetor requires adjustment.
Lubricant fuel mixture is incorrect.
Air filter is dirty.
Spark arrestor screen is dirty.
Idle speed screw on carburetor
requires adjustment.
Carburetor requires adjustment.
Solution
The spark plug may be damaged. Remove it and check for
dirt and cracks. Replace with a new spark plug.
Push primer bulb until bulb is full of fuel. If bulb does not
fill, primary fuel delivery system is blocked. Contact an
authorised service centre. If primer bulb fills, engine may
be flooded, proceed to next item.
■ Turn the on/off switch to the "O" (Off) position.
■ Completely remove the spark plug from the engine and
spark plug boot, then turn the product so the spark plug
hole is aimed at the ground.
■ Set the choke lever to position and pull starter cord
10-15 times. This will clear excessive fuel from the
engine.
■ Remove any expelled fuel from the product.
■ Clean and reinstall the spark plug.
■ Clean up any spilled fuel and move at least 9 m away
before restarting.
■ Pull starter handle 3 times with the choke lever at
position.
■ If the engine does not start, set the choke lever to
choke position and repeat the normal starting
procedure.
■ If the engine still fails to start, repeat procedure with a
new spark plug.
Contact an authorised service centre.
Allow engine to completely warm up. If engine does not
accelerate after three minutes, contact an authorised
service centre.
Contact an authorised service centre.
Use fresh fuel and the correct 2-stroke lubricant mix.
Clean air filter. Refer to Cleaning the Air Filter earlier in
this manual.
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.