Service Manual - TMG -HW41T Product Manual

SERVICE MANUAL

This manual is intended for technical personnel to assist in the diagnosis and repair of
issues with pressure washers.
This manual is not intended for use by non-technical personnel.
It is advised to always refer to competent technical personnel when repairs are advised to
avoid equipment damage or potential personnel injury.
POWER SYSTEM DIAGNOSTICS - Gas Engine Not Starting
PROBLEM
Gas motor not starting
Spark Plug -
stronggas smell
Plug does not fire
Bad ignitionsystem
Spark Plug - no gas smell
WW W . T M G I ND U S T R I A L . C O M
POSSIBLECAUSE
Fuel
No ignition
Electric Starter/Battery
Fuse blown in key switch
Flooded
No ignition
Bad plug
Poor connection
Bad magneto
Poor connection
No fuel to cylinder
Fuel line restricted
Stuck carburetor float
Clogged carburetor needle valve Unclog needlevalve.
Bad fuel pump
Check to see if proper fuel levels are maintained
Check ignition by removing spark plug from cylinder. If
electric start, try starting using the recoil starter.
Recharge or replacebattery.
18 amp engine, open key switch, replace 30 amp fuse
Wait 5 minutes before attempting to restart.
Check ignition by removing spark plug from cylinder. If
electric start, try starting using the recoil starter.
Check spark plug and replace if necessary. Carbon
deposits can indicate a fouled plug or too much
fuel.
Inspect the ignition connection.
Check the source of spark plug for engine ignition.
Check the source of spark for the engine ignition.
Check fuel delivery from carburetor to cylinder. Check
carburetor float bowl for fuel.
Inspect fuel line to carburetor for restrictions or clogging.
Flexible line may be kinked.
Unstick float
Replace fuel pump.
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SOLUTION
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