16
PROBLEM CAUSE
CORRECTION
TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Parts & Repair Centre.
Does not start
1. Dirty air fi lter.
1. Clean/replace air fi lter.
2. Out of fuel.
2. Fill fuel tank.
3. Stale fuel.
3. Empty fuel tank and refi ll
with fresh, clean gasoline.
4. Water in fuel.
4. Empty fuel tank and refi ll
with fresh, clean gasoline.
5. Spark plug wire is
5. Connect wire to spark plug.
disconnected.
6. Bad spark plug.
6. Replace spark plug.
7. Throttle control lever not
7. Move throttle lever to FAST
in correct position
position.
(if
equipped).
Loss of power
1. Dirty air fi lter.
1. Clean/replace air fi lter.
2. Buildup of grass, leaves,
2. Clean underside of trimmer
and trash under trimmer.
and trimmer head.
3. Too much oil in engine.
3. Check oil level.
4. Walking speed too fast.
4. Trim at slower walking
speed.
Excessive
1. Lines uneven or broken.
1. Check trimmer lines.
Vibration
2. Loose nuts or bolts.
2. Check all hardware,
including
engine
bolts.
3. Damaged trimmer head.
3. Check/repair trimmer head.
Starter rope
1. Bent engine crankshaft.
1. Contact a Sears or other
hard to pull
qualifi
ed
service
centre.
Loss of head
1. Belt not driving.
1. Put belt on pulleys or
drive
replace belt if broken.
Hard to push
1. Handle height position not
1. Adjust handle height
right for you.
to suit.
Poor trimming
1. Trimmer line length is
1. If line is worn or broken to
performance
too short.
half of original length,
replace
line.
2. Throttle control lever not
2. Move throttle lever to FAST
in correct position
position.
(if
equipped).
Trimmer head
1. Trimmer line not
1. Follow instructions in
does not
properly
installed.
Maintenance
section.
retain line
2. Broken line retainer clip.
2. Replace string carrier plate
assembly.
3. Incorrect size of
3. Use .155 diameter
trimmer
line.
trimmer
line.
13
Chassis
cover
Screw
TO REMOVE/REPLACE TRIMMER HEAD
DRIVE BELT
1. Remove screw at front of chassis
cover.
SERVICE AND ADJUSTMENTS
WARNING:
To avoid serious injury, before performing any service and adjustments:
1. Stop engine.
2. Make sure the rotating lines and all moving parts have completely stopped.
3. Disconnect spark plug wire from spark plug and place wire where it cannot come into
contact with plug.
Debris shield screws
Engine
pulley
2. Lift cover up and away from trimmer.
3. Remove the two (2) screws on sides of
trimmer securing the debris shield.
4. Turn trimmer on its side with car bu re tor
and fuel cap up.
5. Remove the two (2) screws on under-
side of trimmer securing the debris
shield.
6. Slide the debris shield rearward and
remove.
7. Remove belt from engine pulley on
crankshaft.
Handle knob
Upper
handle
8. Remove belt from trimmer head pulley.
9. Note the position of the control cable
and idler return spring, then remove
idler assembly from chassis and re-
move belt and idler from trimmer.
10. Remove belt from idler assembly by
re mov ing bottom belt keeper and idler
pulleys.
11. Assemble new belt, idler pulleys and
bottom belt keeper to idler bracket.
Tighten pulley bolts securely.
NOTE:
Be sure belt is inside top belt
keeper on idler assembly.
12. Position belt and idler assembly in
trimmer, reconnect idler spring and as-
semble idler to chassis.
13. Install belt around trimmer head pulley
and engine pulley.
14. Replace debris shield and tighten the
four (4) screws securely.
15. Replace chassis cover and tighten
screw securely.
Always use Craftsman replacement parts
to assure proper fi t and long life.
TRIMMER
TO AD JUST TRIMMING HEIGHT
See “TO AD JUST TRIMMING HEIGHT” in
the Op er a tion sec tion of this manual.
TO ADJUST HANDLE
The upper handle may be adjusted to dif-
ferent height positions.
1. Loosen handle knob only enough to
allow the upper handle to pivot to the
desired position.
2. Tighten handle knob securely.
NOTE:
The handle knob and bolt may be
reversed for left handed operation.
