Excell A16617 Operation Manual page 19

PROBLEM
Will not draw
Spray wand not in low pressure.
chemicals
Chemical filter clogged.
Chemical screen not in cleaning
solution.
Chemical too thick.
Pressure hose is too long
Chemical build up in chemical
injector.
Worn seal or packing
No or low
pressure
Worn or obstructed valves.
(after period
Worn unloader piston.
of normal
use)
Water leaking
Worn or broken o-ring.
at gun/
spray wand
Loose hose connection.
connection
Loose connections.
Water
leaking at
Piston packings worn.
pump
Worn or broken o-rings.
Pump head or tubes damaged
from freezing.
Nozzle obstructed.
Pump
Pulsates
AWSC = Authorized Warranty Service Center
CAUSE
19 - ENG
CORRECTION
See How to Use Spray Wand
paragraph in the Operation
Section.
Clean filter.
Make sure end of chemical hose
is fully submerged into cleaning
solution.
Dilute chemical. Chemical should
be the same consistency as water.
Lengthen water supply hose
instead of high pressure hose.
Have parts cleaned or replaced
by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Check and replace.
Tighten.
Tighten.
Have replaced by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
See Nozzle Cleaning paragraph in
the Maintenance section for the
correct procedure.
A16617