Simpson PS4240 Instruction Manual page 23

OPERATIONAL
ISSUE
No or low
pressure
(after period of
normal use)
Water leaking at
gun/spray wand
connection
Water leaking
at pump
Pump pulsates
Oil leaking
at pump
POSSIBLE CAUSE
Worn seal or packing
Worn or obstructed valves Please contact our customer
Worn unloader piston
Worn or torn o-ring
Loose hose connection
Loose connections
Piston packings worn
Worn or torn o-ring
Pump head or tubes
damaged from freezing
Nozzle obstructed
Oil seals worn
Loose drain plug
Worn drain plug o-ring
Worn fill plug o-ring
Pump overfilled
Incorrect oil used
Vent plug is clogged
Air filter filled with oil
SOLUTION
Please contact our customer
service department at
www.simpsoncleaning.com
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
Please contact our customer
service department at
www.simpsoncleaning.com
Tighten
Check and replace
Check and replace
Check for correct amount
Drain and fill with correct
amount and type of oil
Clean vent plug; blow air through
it to remove any blockage. If
prob lem persists, replace plug
Clean and/or replace filter
element. Refer to Engine Owner's
Manual for correct procedure.
23 - ENG