Simpson ALH4240 Instruction Manual page 22

OPERATIONAL POSSIBLE CAUSE
ISSUE
Will not draw Spray wand not in
chemicals low pressure
Chemical filter clogged
Chemical screen not
in cleaning solution
Chemical too thick
Will not draw Pressure hose is too long
chemicals
Chemical build up in
chemical injector
No or low Worn seal or packing
pressure
(after period of
normal use)
Worn or obstructed valves
Worn unloader piston
Water leaking at Worn or torn o-ring
gun/spray wand
Loose hose connection
connection
Water leaking Loose connections
at pump
Piston packings worn
Worn or torn o-ring
Pump head or tubes
damaged from freezing
Pump pulsates Nozzle obstructed
Please contact us for further information at www.allpartsinc.com
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
22- ENG