Craftsman 536.773400 Operator's Manual page 20

TROUBLE SHOOTING CHART
Engine overheats.
Engine will not stop
running.
Poor trimming
)erformanee.
Trimmer vibrates.
Trimmer head does not
retain line
Engine cooling system Clean debds screen and
clogged, engine cooling fins.
Carburetor out of adjustment, Adjust carburetor. Take the
unit to a Craftsman Service
Canter,
Oil level is low. Add oil.
Defec_ve throttle control
lever or wire,
Throttlenotadjusted
properly.
Trimmerline length is too
short.
Engine not set at FAST
speed.
Tdmmerlinelengthsare
substantially d ifferent.
Inspect and rel_ace
damagedparts.
Move throttle to the full OFF
)osition.
Correct line length is 16,75
inches. When less than 1/2
this length, replace the line.
Move engine throttle leverto
FASTpo61tion.
Adjusttrimmerline to
approximataly equal lengths.
Loosenutsor bolts. Check all boltsandnuts,
including enginebolts.
Replacebrokenpart.
Broken trimmer h ead.
Tdmmer line n otproperly
attached.
Follow instructions on decal
or in the Service section of
the owner's manual.
Brokenlineretainer. Replacetrimmerhead
assembly.
Tdmmerlinenotcorrectsize. Use Craftsman0.130 inch
diametertrimmerline.
F-000208M 20