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MACHINE TROUBLESHOOTING
LIGHTNING 86039180 05/23/07
4-3
PROBLEM.
CAUSE SOLUTION
Will not start No fuel or dirt in fuel line See engine owners manual for servicing.
Blown head gasket NOTE: ONLY properly trained service technicians
Engine overload Should adjust or repair fuel system.
Dirty air cleaner
Faulty spark plug
Fuel system out of
adjustment
Defective ignition coil
Hard to start No fuel or dirt in fuel line See engine owners manual for servicing.
Engine overload
Dirty air cleaner
Faulty spark plug
Spark plug or head bolts
loose
Blown head gasket
Timing, Coil or Valves
need adjustment
Regulator need adjustment
Insufficient vacuum
Lacks Power Improper valve clearance See engine owners manual for servicing.
Dirt in fuel line
Faulty spark plug
Improper oil level
Worn rings
Odor of burned rubber Belt out of adjustment See “Adjusting Belt Tension” pg. 3-3
Engine overheats Incorrect oil level See engine owners manual for servicing.
Engine overload
Build up of dirt inside
engine shroud
High fuel consumption Faulty spark plug See engine owners manual for servicing.
Dirty air cleaners
Improper fuel system
adjustment
Machine stops suddenly Out of fuel Change fuel cylinders
Faulty spark plugs Clean adjust or replace spark plug
Pad not centered on pad
driver
Center pad or pad driver
Incorrect pad size Replace with proper pad
Low oil Add oil (see pg. 3-3)