User Manual

22- ENG
OPERATIONAL
ISSUE
POSSIBLE CAUSE SOLUTION
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.
Oil leaking
at pump
Oil seals worn. Please contact our customer
service department at
www.simpsoncleaning.com
Loose drain plug. Tighten.
Worn drain plug o-ring Check and replace.
Worn fill plug o-ring. Check and replace.
Pump overfilled. Check for correct amount.
Incorrect oil used. Drain and fill with correct
amount and type of oil.
Vent plug is clogged. Clean vent plug; blow air
through it to remove any
blockage. If prob lem per-
sists, replace plug.
Air filter filled with oil. Clean and/or replace
filter element. Refer to
Engine Owner’s Manual
for correct procedure.