Troubleshooting Guide - LAWN STAR LSM 4540 L Operating Instructions Manual

PROBLEM
Engine won't start
Engine won't stop
when the throttle
lever is moved to the
STOP position
Engine overheats
Excessive vibration
Poor grass collection
TROUBLE SHOOTING GUIDE
PROBABLE CAUSE
No fuel
Flooded engine
Throttle lever in STOP
position
No spark
Blocked fuel filter
Throttle control
assembled incorrectly
Spark plug loose
Dirty air filter
Dirty cooling fins
Blade incorrectly
assembled
Blade damaged
Blade clogged with dirt
Blade dull or damaged
Mower clogged with
dirt
Grass catcher clogged
with dirt
CORRECTIVE ACTION
No fuel flows then pipes blocked.
Have serviced.
Move throttle lever to Run position,
pull starter cord until engine runs
Move throttle lever to START
position
Ensure cap is attached to spark plug
Have serviced
Carefully remove the spark plug cap
(Fig.11 No.5) to stop the engine. Have
the throttle control reset by an
authorised service dealer.
Re-tighten spark plug and check
connection to lead
Remove, clean and replace
Brush clean
Disconnect cap from spark plug and
check assembly and fitment.
Disconnect cap from spark plug and
replace with new blade
Disconnect cap from spark plug,
remove, clean and replace
Disconnect cap from spark plug and
replace with new blade
Disconnect cap from spark plug, clean
underside of chassis, fan and grass
collection chute
Disconnect cap from spark plug, clean
grass collection box or replace if
necessary