Simpson PS3425 - Troubleshooting Common Issues; No or Low Pressure (Initial Use); Will Not Draw Chemicals; No or Low Pressure (After Normal Use)

21 - ENG
OPERATIONAL
ISSUE
POSSIBLE CAUSE SOLUTION
No or low
pressure
(initial use)
Water filter screen
clogged
Remove and clean filter. See
Cleaning Water Inlet Filter
paragraph in the Maintenance
section for the correct procedure
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- con nect
water source to pump inlet and
turn on wa ter source. Squeeze
trigger to re move re main ing air
Choke in the
“Choke” position
Move choke to the “No Choke”
po si tion
High pressure hose
is too long
Use high pressure hose under
100 feet (30m)
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 torn o-ring Check and replace
Loose hose connection Tighten