Operator's Manual
Rolling String Trimmer 600050V, 600050B
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19
trouble
Cause
Correction
Engine overheats
Engine cooling system clogged
Clean debris screen and engine
cooling fins
Carburetor out of adjustment
For carburetor adjustment, take the
unit to an authorized service center
Oil level is low
Add oil
Engine will not stop running
Defective throttle control lever or wire Inspect and replace damaged parts
Throttle not adjusted properly
Move throttle to the full OFF position
Poor trimming performance
Trimmer line length is too short
Correct line length is 1.5 inches.
When the line is less than 1/ of this
length, replace the line.
Engine not set at FAST speed
Move engine throttle lever to FAST
position
Trimmer vibrates
Set screw for the trimmer head is
loose
Tighten set screw with T-handle
wrench
Trimmer line lengths are substan-
tially different
Adjust trimmer line to approximately
equal lengths
Loose nuts or bolts
Check all bolts and nuts, including
engine bolts
Broken trimmer head
Replace broken part
Trimmer head does not retain line
Trimmer line not properly attached
Follow instructions on decal or in the
Service section of the owner's manual
Broken line retainer
Replace trimmer head assembly
Trimmer line not correct size
Use a 0.155 diameter trimmer line
notE: Please see the engine manual for a full troubleshooting guide for any engine issues.