Simpson ALV2623 Instruction Manual page 21

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