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TROUBLE SHOOTaNG CHART
Engine overheats.
Engine will not stop
running.
Poor trimming
performance.
Trimmer vibrates.
Trimmer head does not
retain line
Engine cooling system
clogged
Carburetor out of adjustment
Oil level is low
i Defective throttle control
lever or wire
l Throttle not adjusted
3roperly
Trimmer line length is too
short
Engine not set at FAST
speed
Set screw for trimmer head
is loose
Trimmer line lengths are
substantially different
Loose nuts or bolts
Broken trimmer head,
Trimmer linenat prapedy
attached
Broken line retainer
Trimmer line netcorrect size
Clean debris screen and
engine cooling fins
Adjust carburetor Take the
unit to a Craftsman Service
Center
Add oil
Inspect and replace
damaged parts
Move throttle to the full OFF
position
Correct line length is 21 5
inches When less than 1/2
this length, replace the line
Move engine throttle Fever to
i FAST position
Tighten set screw with
T-handle wrench
Adjust trimmer line to
approximately equal lengths
Check all bolts and nuts,
including engine bolts
[ Replace broken part
, Fol_owinstructions on decal
or in the Service section of
[ the owner's manual
Replace trimmer head
assembly
Use Craftsman 0 155 inch
I diameter trimmer line
712490 21
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