IF THESE SOLUTIONS DO NOT SOLVE THE PRObLEM cONTAcT yOUR AUTHORIZED SERVIcE DEALER.
PRObLEM
Engine will not start
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 driveshaft housing
and string head
TROUbLESHOOTINg
POSSIbLE cAUSE
No spark.
No fuel.
Engine is flooded.
Air filter screen is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
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.
13 — English
SOLUTION
Clean or replace spark plug. Reset
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 blocked. 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 the engine starts and
runs.
NOTE: Depending on the severity of
the flooding, this may require numerous
pulls of the rope.
Clean air filter screen. Refer to clean-
ing Air Filter Screen earlier in this
manual.
Contact a servicing dealer.
Clean or replace spark plug. Reset
spark plug gap. Refer to Spark Plug
Replacement earlier in this manual.
Turn idle speed screw clockwise to
increase idle speed. See Figure 28.
Replace line. Refer to the applicable line
replacement section in this manual.
Install more line. Refer to the appli-
cable line replacement section in this
manual.
Pull lines while alternately pressing
down on and releasing spool retainer.
Remove line from spool and rewind.
Refer to the applicable line replacement
section 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.