Cycle Troubleshooting - Tecumseh LEV90 Basic Troubleshooting And Service Information

Four Cycle Troubleshooting - continued
To reduce the risk of serious injury or death from fires and/or explosions, NEVER use flammable
solvents (e.g., gasoline) to clean serviceable parts. Use a water-based, non-flammable solvent
such as Tecumseh Degreaser Cleaner.
NEVER use compressed air to clean debris from yourself or your clothing. When using compressed
CAUTION
air to clean or dry serviceable parts:
• Wear appropriate eye protection.
• Use only approved air blow nozzles.
Spark
Check flywheel for
correct key, damaged
or sheared key
Set proper air gap on
external coil
Set proper point gap,
check condensor and
timing
Test coil for
intermittent or weak
spark
Should more extensive repair be needed, we recommend you contact a local Tecumseh Servicing Dealer for repair.
Repair manuals are also available from your local dealer or direct from Tecumseh. A complete list of the available
manuals can be found at the end of this book.
NOTE: Refer to Technician's Handbook for a more detailed list of remedies.
IGNITION SYSTEM
Engine Will
Not Start
Check for Spark
Spark
Equipment problem,
check switches, wiring and
equipment controls
Parasitic load too high
11
• Air pressure must not exceed 30psi (206kPa).
• Shield yourself and bystanders from flying debris.
No Spark
Replace spark plug
Isolate engine from all
equipment (disconnect
wiring harness), repeat
test
No Spark
Engine problem, check
for shorts or grounds
in wiring
Test ignition module