PROBLEM
CAUSE
CORRECTION
No or low
pressure
Air in hose.
Turn off the engine, then the
water source. Disconnect the
water source from the pump
inlet and turn the water source
on to remove all air from the
hose. When there is a steady
stream of water present, turn
water source off. Re-connect
water source to pump inlet and
turn on water source. Squeeze
trigger to remove remaining air
Choke in the “Choke” position. Move choke to the “No Choke”
position.
Will not draw
chemicals
Spray wand not in low pres-
sure.
Chemical filter clogged.
Clean filter.
Chemical screen not in clean-
ing solution.
Make sure end of chemical
hose is fully submerged into
cleaning solution.
Chemical too thick.
Dilute chemical. Chemical
should be the same consistency
as water.
Pressure hose is too long
Lengthen water supply hose
instead of high pressure hose.
Chemical build up in chemical
injector.
No or low
pressure
Worn seal or packing
Worn or obstructed valves.
Worn unloader piston.
Water leaking
at gun/spray
wand connec-
tion
Worn or broken o-ring.
Check and replace.
Loose hose connection.
Tighten.
Water leaking
at pump
Loose connections.
Tighten.
Piston packings worn.
Worn or broken o-rings.
Pump head or tubes damaged
from freezing.
Pump Pulsates Nozzle obstructed.
See Nozzle Cleaning para-
graph in the Maintenance sec-
tion for the correct procedure.
AWSC
= Authorized Warranty Service Center
34
High pressure hose is
too long.
Use high pressure hose under
100 feet (30m)
See
How to Use Spray Wand
paragraph in the Operation
Section.
(after period of
normal use)
Have parts cleaned or replaced
by AWSC
Have parts cleaned or replaced
by AWSC
Have parts cleaned or replaced
by AWSC
Have parts cleaned or replaced
by AWSC
Have parts cleaned or replaced
by AWSC
Have parts cleaned or replaced
by AWSC
Have parts cleaned or replaced
by AWSC