19

TROUBLE CAUSE REMEDY

Chain does
not move
when trigger
switchis
engaged.
1. Chaintens ion incorrect.
2. Guidebar rails pinc hed.
3. Triggersw itch failure.
4. Circuit breaker tripped/
fuse failure.
1. See“C heck Chain Tension”in
Maintenance section.
2. Repairor r eplace.
3. Contact an authorized service
dealer.
4. Reset circuit breaker or replace fuse.
Chain clatters
or cuts
roughly.
1. Chaintens ion incorrect.
2. Cutters damaged.
3. Chainwor n.
4. Cutters dull, improperly
sharpened, or depth
gauges too high.
5. Sprocketworn.
1. See“Chec k Chain Tension”in
Maintenance Section.
2. Contact an authorized service
dealer.
3. Resharpen or replace chain.
4. See“Chain S harpening” in
Service and Adjustments section.
5. Contact an authorized service
dealer.
1. Chaincut ter tops not
filed flat.
2. Guidebar bur red or
bent; rails uneven.
Chain stops
during cut.
1. See“Chain S harpening” in
Service and Adjustments section.
2. Repairor replac e guide bar.
WARNING : Always stop unit and disconnect from the power source befor eper-
formingall of the recommended remedies below exc ept remedies that r equire unit to be
operating.

TROUBLESHOOTING TABLE

Oil inadequate
for bar and
chain lubrica-
tion.
1. Oil tank empty.
2. Oil outlet clogged.
3. Guide bar oil hole
blocked.
1. Fill oil tank.
2. Contact an authorized service
dealer.
3. Remove bar and clean.
Chain cuts at
anangle.
1. Cutters damaged on
one side.
2. Chain dull on one side.
3. Guide bar bent or worn.
1. See “Chain Sharpening” in
Service and Adjustments section.
2. See “Chain Sharpening” in
Service and Adjustments section.
3. Replace guide bar.
Trimmerhead
stops under a
load or does
not turn when
switchis
pressed.
1. Crowding trimmer line
against material being
cut.
2. Electrical failure.
3. Thrown circuit breaker.
4. Debris stopping head.
1. Allow tip of line to do the cutting.
2. Contact your authorized s ervice dealer.
3. Check Breaker Box.
4. Remove debris.
Linedoes not
advance or
breaks while
cutting.
1. Line improperly routed
inhead.
2. Line improperly
wound into spool.
3. Incorrect line size
4. Not enough line
outside of head.
5. Dirt buildup on unit.
1. Check line routing.
2. Rewind line tightly and evenly.
3. Use only 0.080 inch (2 mm) d ia. line.
4. Remove cover and pull 4 inches
(10 cm) of line out of head.
5. Clean unit.
Linew elds
onto spool.
1. Use only 0.080 inch (2 mm) dia. line.
2. Replace with correct spool.
3. Cut with tip of line fully extended.
1. Line size is incorrect.
2. Incorrect spool.
3. Line is being crowded
against material being cut.
Liner eleases
continuously.
1. Line improperly
routed in head.
2. Spool damaged.
1. Check line routing.
2. Replace spool.