V 4.0
1.6 GPM @ 1,950 PSI Gas Pressure Washer
8664385
Visit www.princessauto.com for more information
19
TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not function
properly or parts are missing. If unable to do so, have a qualified technician
service the tool.
Problem(s)
Possible Cause(s)
Suggested Solution(s)
No pressure or
Low pressure.
1. Spray gun not set to high
pressure.
2. Lower water supply.
3. Hose fitting leaks during
high pressure.
4. Nozzle obstructed.
5. Water filter screen
obstructed.
6. Defective thermal relief
valve.
7. Air in hose.
8. Choke lever in choke
position.
9. Throttle control lever is hot
in fast position.
10. High pressure hose too
long.
1. See Spraying section.
2. Water supply must be 3.2 GPM @ 30 to
60 PSI.
3. Tighten hose fitting. Use thread sealant
tape if necessary.
4. Clean nozzle of debris.
5. Remove and clean filter.
6. Replace the thermal relief valve or have a
qualified technician repair it.
7. Stop engine and water source. Disconnect
water source from pump inlet and turn
water source to ON to remove all air from
hose. When steady stream of water is
present, turn water source to OFF. Re-
connect water source to pump inlet and
turn on water source. Squeeze trigger to
remove remaining air.
8. Move choke to the OPEN position.
9. Move throttle control lever from fast
position.
10. Use hose under 100 ft.
Pump will not
draw chemical
or detergent.
1. Spray gun not set to low
pressure.
2. Chemical filter clogged.
3. Chemical screen not fully in
chemical.
4. Chemical solution too thick.
5. Pressure hose too long
6. Chemical build-up in
chemical injector.
1. See Check Spray Wand and Pressure
Nozzles section.
2. Clean Filter.
3. Ensure end of siphon hose is fully
submerged into chemicals.
4. Dilute chemical. Chemical solutions
should have same consistency as water.
5. Lengthen water supply hose instead of
pressure hose.
6. Have parts cleaned or replaced.
