Trouble - Shooting - Craftsman 1750 User Manual

Fault Cause
Engine will not start - Fuel tank empty
- Dirty air filter
- Stale fuel
- Water in fuel
- Spark plug wire disconnected
- Bad spark plug
Unit does not come - Pump is sucking air
up to pressure - Strainer is blocked
- Pump not bled to remove air
- Flow regulation control is set to low
pressure
- Pump or relief valve defective
Water spray - Nozzle clogged
irregular - Water supply inadequate
- Relief valve incorrectly set
No intake of - Nozzle in improper position
detergent - Detergent metering valve closed
- Suction filter clogged
- Nozzle clogged
16
TROUBLESHOOTING POINTS
Remedy
Fill fuel tank
Clean/replace air filter
Drain tank and refil tank with fresh, clean fuel
Drain tank and refil tank with fresh, clean fuel
Connect spark plug wire
Replace spark plug
Open water supply and check garden hose
Clean strainer
Stop engine, press trigger of gun, start engine
and run unit while depressing trigger
Turn control knob to high pressure
Have unit repaired by authorized service
Clean nozzle
Check to see that water supply is on full force or use
stationary water source.
Have unit repaired by authorized service
Set nozzle to low pressure position
Adjust detergent metering valve to desired setting.
Clean filter in suction nozzle
Clean nozzle