22- ENG
OPERATIONAL
ISSUE
POSSIBLE CAUSE
SOLUTION
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 Owners Manua
l
for correct procedure.