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13 — 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 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.
Engine does not reach full speed and
emits excessive smoke
Air filter screen is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
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.
Engine starts, runs, and accelerates
but will not idle
Idle speed screw on carburetor needs
adjustment.
Turn idle speed screw clockwise to
increase idle speed. See Figure 28.
Line will not advance 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.
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.
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 tall grass from the top down to
prevent wrapping.
Operate trimmer at full throttle.