Service And Adjustments - Craftsman 944.361160 Owner's Manual

TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Parts & Repair Centre.
PROBLEM CAUSE
Does not start 1. Dirty air fi lter.
2. Out of fuel.
3. Stale fuel.
4. Water in fuel.
5. Spark plug wire is
disconnected.
6. Bad spark plug.
7. Throttle control lever not
in correct position
(if equipped).
Loss of power 1. Dirty air fi lter.
2. Buildup of grass, leaves,
and trash under trimmer.
3. Too much oil in engine.
4. Walking speed too fast.
Excessive 1. Lines uneven or broken.
Vibration 2. Loose nuts or bolts.
3. Damaged trimmer head.
Starter rope 1. Bent engine crankshaft.
hard to pull
Loss of head 1. Belt not driving.
drive
Hard to push 1. Handle height position not
right for you.
Poor trimming 1. Trimmer line length is
performance too short.
2. Throttle control lever not
in correct position
(if equipped).
Trimmer head 1. Trimmer line not
does not properly installed.
retain line 2. Broken line retainer clip.
3. Incorrect size of
trimmer line.
CORRECTION
1. Clean/replace air fi lter.
2. Fill fuel tank.
3. Empty fuel tank and refi ll
with fresh, clean gasoline.
4. Empty fuel tank and refi ll
with fresh, clean gasoline.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Move throttle lever to FAST
position.
1. Clean/replace air fi lter.
2. Clean underside of trimmer
and trimmer head.
3. Check oil level.
4. Trim at slower walking
speed.
1. Check trimmer lines.
2. Check all hardware,
including engine bolts.
3. Check/repair trimmer head.
1. Contact a Sears or other
qualifi ed service centre.
1. Put belt on pulleys or
replace belt if broken.
1. Adjust handle height
to suit.
1. If line is worn or broken to
half of original length,
replace line.
2. Move throttle lever to FAST
position.
1. Follow instructions in
Maintenance section.
2. Replace string carrier plate
assembly.
3. Use .155 diameter
trimmer line.
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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.
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.
Upper
handle
Handle knob
TO REMOVE/REPLACE TRIMMER HEAD
DRIVE BELT
1. Remove screw at front of chassis
cover.
Screw
Chassis
cover
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.
Engine
pulley
Debris shield screws
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.
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