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12 — English
PROBLEM POSSIBLE CAUSE SOLUTION
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
TROUBLESHOOTING
1. Clean or replace spark plug. Reset spark plug
gap. Refer to Spark Plug Replacement earlier
in this manual.
2. Push primer bulb until bulb is full of fuel. If bulb
does not fill, primary fuel delivery system is
blocked. Contact an authorized service dealer. If
primer bulb fills, engine may be flooded, proceed
to next item.
3. Set the CHOKE lever to the RUN 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.
1. Use fresh fuel and the correct 2-cycle lubricant
mix. (50:1).
2. Clean air filter screen. Refer to Cleaning Air
Filter Screen earlier in this manual.
3. Contact an authorized servicing dealer.
4. Clean or replace spark plug. Reset spark plug
gap. Refer to Spark Plug Replacement earlier
in this manual.
1. Turn idle speed screw clockwise to increase idle
speed. See Figure 22.
1. Lubricate line with silicone spray.
2. Install more line. Refer to the applicable line
replacement section in this manual.
3. Pull lines while alternately pressing down on and
releasing spool retainer.
4. Remove line from spool and rewind. Refer to
the applicable line replacement section in this
manual.
5. Advance line at full throttle.
Engine will not start
Engine does not reach full
speed and emits excessive
smoke
Engine starts, runs, and ac-
celerates but will not idle
Line will not advance
1. No spark.
2. No fuel.
3. Engine is flooded.
1. Incorrect lubricant/fuel mixture.
2. Air filter screen is dirty.
3. Spark arrestor screen is dirty.
4. Spark plug fouled.
1. Idle speed screw on carburetor
needs adjustment.
1. Line is welded to itself.
2. Not enough line on spool.
3. Line is worn too short.
4. Line is tangled on spool.
5. Engine speed is too slow.
1. Clean threads and lubricate with grease - if no
improvement, replace the spool retainer.
1. Cut tall grass from the top down to prevent
wrapping.
2. Operate trimmer at full throttle.
Spool retainer hard to turn
Grass wraps around drive
shaft housing and string
head
1. Screw threads are dirty or
damaged.
1. Cutting tall grass at ground
level.
2. Operating trimmer at part
throttle.