12 — English
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT yOUR AUTHORIZED SERVICE DEALER.
TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION

Engine will not start No spark.
No fuel.
Engine is flooded.
Clean or replace spark plu g. Re set
spark plug gap. Refer to Spark Plug
Replacement earlier in this manual.
Push primer bulb until bulb is full of fuel.
If bulb does not fill, primary fuel delivery
system is b locked. Contact a service
dealer. If primer bulb fills, engine may
be flooded, proceed to next item.
Set the start lever to the START position.
Squeeze the trigger and pull the rope
repeatedly until th e engine start s and
runs.
NOTE: Depen ding on the severi ty of
the flooding, this may require numerous
pulls of the rope.
Engine does not re ach full speed and
emits excessive smoke
Air filter is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Clean air filter. Refer to Cleaning Ai r
Filter earlier in this manual.
Contact a servicing dealer.
Clean or replace spark plu g. Re set
spark plug gap. Refer to Spark Plug
Replacement earlier in this manual.
Engine s tarts, runs, a nd accel erates
but will not idle
Idle speed screw on carburetor needs
adjustment.
Turn idl e spe ed scr ew cl ockwise to
increase idle speed. See Figure 13.
Spool retainer hard to turn Screw threads are dirty or damaged. Clean threads and lubricate with grease
- if no improvement, replace the spool
retainer.
Grass wraps around driveshaft housing
and string head
Cutting tall grass at ground level.
Operating trimmer at part throttle.
Cut ta ll gras s from the top d own to
prevent wrapping.
Operate trimmer at full throttle.
Engine emits too much smoke Too much oil in crankcase. Drain lubricant and refill with correct
amount of 10W-30 engine lubrica nt.
See A dd in g/C he ck ing En gi ne
Lubricant in the Operation section of
this manual.
Engine rope cannot be pulled Oil has ente red the comb usti on
chamber.
This is usually caused by storing the unit
for an extended time with the engine in
an upside-down position. Remove and
clean the spark plug. Drain the oil out
of the spark plug hole, then reinstall the
spark plug.