V1.0
Gas Pressure Washer
8913204
Visit www.princessauto.com for more information
19
PROBLEM(S)
POSSIBLE CAUSE(S)
SUGGESTED SOLUTION(S)
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
by authorized dealer.
No or low
pressure (after
period of
normal use).
1. Worn seal or packing.
2. Worn or obstructed
valves.
3. Worn unloader piston.
4. Worn E-Z start valve.
Have parts cleaned or replaced by
authorized dealer.
Water leaking
at spray
gun/spray
wand
connection.
1. Worn or broken O-ring.
2. Loose hose
connection.
1. Check and replace O-ring.
2. Tighten hose connection.
Water leaking
at pump.
1. Loose connections.
2. Piston packing is worn.
3. Worn or broken O-
rings.
4. Pump head or tubes
damaged from
freezing.
1. Tighten connections.
2 to 4. Have parts cleaned or
replaced by authorized dealer.
Pump
pulsates.
Nozzle obstructed.
See Check Spray Wand and
Pressure Nozzles section.
Detergent not
mixing
1. Siphon hose end not
submerged in
detergent.
2. Not using Black Soap
Nozzle.
1. Adjust siphon hose so the end is
submerged in detergent.
2. Attach Soap Nozzle to allow
proper mixing of water and
detergent.
