TROUBLESHOOTING GUIDE
Trouble
Engine does not start
Engine runs poorly
Engine overheats
Engine will not stop
running
Poor trimming
performance
Trimmer vibrates
Trimmer head does not
retain line
NOTE: Please see the engine manual for a full troubleshooting guide for any engine issues.
18
Cause
Spark plug wire disconnected
Engine not primed
Defective or incorrectly gapped spark plug
Fuel tank empty
Dirty carburetor or fuel line
Dirty air filter
Carburetor out of adjustment
Engine flooded
Throttle control lever in incorrect position
Stale gasoline
Defective throttle control lever or wire
Bad spark plug
Dirty air filter
Carburetor out of adjustment
Stale gasoline
Engine cooling system clogged
Engine cooling system clogged
Carburetor out of adjustment
Oil level is low
Defective throttle control lever or wire
Throttle not adjusted properly
Trimmer line length is too short
Engine not set at FAST speed
Socket head cap screws for the trimmer
head are loose
Trimmer line lengths are substantially
different
Loose nuts or bolts
Broken trimmer head
Trimmer line not properly attached
Broken line retainer
Trimmer line not correct size
Check for parts online at www.getearthquake.com or call 800-345-6007 M-F 8-5
Trimmer Mower 600050 Series
Correction
Connect spark plug wire
Prime engine
Inspect or replace spark plug
Add fuel
Clean carburetor or fuel line
Replace air filter
For carburetor adjustment, take the unit to an
authorized service center
Wait several minutes before starting
Move throttle lever to FAST or START position
Drain old gasoline and add fresh gas
Inspect lever and wire. Replace if damaged or defective.
Replace spark plug
Replace air filter
For carburetor adjustment, take the unit to an
authorized service center
Drain old gasoline and add fresh gas
Clean debris screen and engine cooling fins
Clean debris screen and engine cooling fins
For carburetor adjustment, take the unit to an
authorized service center
Add oil
Inspect and replace damaged parts
Move throttle to the full OFF position
Correct line length is 21.5 inches. When the line is less
than 1/2 of this length, replace the line.
Move engine throttle lever to FAST position
Tighten socket head cap screws with L-handle wrench
Adjust trimmer line to approximately equal lengths
Check all bolts and nuts, including engine bolts
Replace broken part
Follow instructions on decal or in the "Maintenance,
Service and Storage" section of the owner's manual
Replace trimmer head assembly
Use a 0.155" diameter trimmer line
Operator's Manual