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TROUBLE SHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICING DEALER.
See Page 13 for instructions on finding your nearest authorized servicing dealer.
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:
String will not stay retained in the
stringhead using Pro Cut™
stringhead:
String not cutting properly when
using Pro Cut™ stringhead:
Grass wraps around driveshaft
housing and stringhead:
Oil drips from muffler:
Note: This engine complies with EPA (Environmental Protection Agency) and CARB (California Air Resource Board) regulations which require exhaust
*
emission control. As a result, the carburetor adjustment needle(s) are equipped with plastic cap(s) that prevents counterclockwise rotation from the original
factory adjustment. If your unit exhibits specific performance problem(s) where the Trouble Shooting Section recommends a counterclockwise needle
adjustment and no adjustments have been made since original purchase, the unit should be taken to a factory authorized service center for repair. In most
cases, the needed adjustment is a simple task for the factory trained service representative.
All manuals and user guides at all-guides.com
POSSIBLE CAUSE
1. No spark.
2. No fuel.
3. Flooded engine.
4. Starter rope pulls harder now than when new.
Carburetor requires adjustment.
Carburetor requires adjustment.
1. Check oil fuel mixture.
2. Air filter dirty.
3. Carburetor requires adjustment.
4. Spark Arrestor Screen Dirty.
Carburetor requires adjustment.
Not using Homelite® Pro Cut™ DuraLine™.
String worn too short (2" or less protruding from Pro-
Cut™ head.
1. Cutting tall grass at ground level.
2. Operating trimmer at part throttle.
1. Operating trimmer at part throttle
2. Check oil/fuel mixture.
3. Air filter dirty.
4. Carburetor requires adjustment.
B
A
SOLUTION
1. Check spark. Remove spark plug. Reattach the spark
plug cap and lay spark plug on metal cylinder. Pull the
starter rope and watch for spark at spark plug tip. If there
is no spark, repeat test with a new spark plug.
2. Push primer bulb until bulb is full of fuel. If bulb does not
fill, primary fuel delivery system is blocked. Contact a
servicing dealer. If primer bulb fills, engine may be flooded
(see next item).
3. Remove spark plug, turn trimmer so spark plug hole is
aimed at the ground. Move choke lever to "RUN" and pull
starter cord 10 to 15 times. This will clear excess fuel from
engine. Clean and reinstall spark plug. Pull starter three
times with choke lever at "RUN". If engine does not start,
move choke lever to "CHOKE" and repeat normal starting
procedure. If engine still fails to start, repeat procedure
with a new spark plug.
4. Contact a servicing dealer.
Contact a servicing dealer.
*Turn mixture needle (A) counterclockwise 1/16 turn.
1. Use fresh fuel and the correct 2-cycle oil mix.
2. Clean per instructions in Maintenance Section.
3. *Turn mixture needle (A) clockise 1/16 turn.
4. Contact a servicing dealer.
Turn idle speed screw (B) clockwise to increase idle speed.
Use only Homelite® Pro Cut™ DuraLine™.
String should be replaced on Pro-Cut™ stringhead.
1. Cut tall grass from the top down to prevent wrapping..
2. Operate trimmer at full throttle.
1. Operate trimmer at full throttle.
2. Use fresh fuel and the correct 2-cycle oil mix.
3. Clean per instruction in Maintenance Section.
4. Turn mixture needle (A) clockwise 1/16 turn.
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