21 - ENG
OPERATIONAL
ISSUE
POSSIBLE CAUSE SOLUTION
Will not draw
chemicals
Spray wand not in
low pressure
See How to Use Spray
Wand paragraph in the
Operation Section
Chemical filter clogged Clean filter
Chemical screen not
in cleaning solution
Make sure end of detergent
siphon 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
Please contact our customer
service department at
www.simpsoncleaning.com
No or low
pressure
(after period of
normal use)
Worn seal or packing Please contact our customer
service department at
www.simpsoncleaning.com
Worn or obstructed valves Please contact our customer
service department at
www.simpsoncleaning.com
Worn unloader piston Please contact our customer
service department at
www.simpsoncleaning.com
Water leaking at
gun/spray wand
connection
Worn or broken o-ring Check and replace
Loose hose connection Tighten
Water leaking
at pump
Loose connections Tighten
Piston packings worn Please contact our customer
service department at
www.simpsoncleaning.com
Worn or broken o-rings Please contact our customer
service department at
www.simpsoncleaning.com
Pump head or tubes
damaged from freezing
Please contact our customer
service department at
www.simpsoncleaning.com
Pump pulsates Nozzle obstructed See Nozzle Cleaning
paragraph in the
Maintenance section for
the correct procedure