16
Owner’s Manual
M200 AND 28463 STRING MOWER
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800-345-6007
M-F 8-5 CST
Trouble
Cause
Correction
Engine does not start
Spark plug wire disconnected
Connect spark plug wire
Engine not primed
Prime engine
Defective or incorrectly gapped spark plug
Inspect or replace spark plug
Fuel tank empty
Add fuel
Dirty carburetor or fuel line
Clean carburetor or fuel line
Dirty air filter
Replace air filter
Carburetor out of adjustment
For carburetor adjustment, take the unit to an
authorized service center
Engine flooded
Wait several minutes before starting
ON/OFF Switch in incorrect position
Move switch to ON position
Stale gasoline
Drain old gasoline and add fresh gas
Defective ON/OFF Switch or wire
Inspect and replace damaged parts
Engine runs poorly
Bad spark plug
Replace spark plug
Dirty air filter
Replace air filter
Carburetor out of adjustment
For carburetor adjustment, take the unit to an
authorized service center
Stale gasoline
Drain old gasoline and add fresh gas
Engine cooling system clogged
Clean debris screen and engine cooling fins
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
ON/OFF Switch failed
Inspect and replace damaged parts
Wire disconnected from ON/OFF Switch
Inspect, repair, or replace damaged parts
Poor mowing
performance
Mower line length is too short
Correct line length is 21.5 inches. When the line is less
than 1/2 of this length, replace the line.
Mower vibrates
Socket head cap screws for the mower head
are loose
Tighten socket head cap screws with L-handle wrench
Mower line lengths are substantially
different
Adjust mower line to approximately equal lengths
Loose nuts or bolts
Check all bolts and nuts, including engine bolts
Broken mower head
Replace broken part
Mower head does not
retain line
Mower line not properly attached
Follow instructions on decal or in the “Maintenance,
Service and Storage” section of the owner's manual
Broken line retainer
Replace mower head assembly
Mower line not correct size
Use a 0.155" diameter mower line
TROUBLESHOOTING GUIDE:
