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OPERATIONAL
ISSUE
Pump Pulsates
Oil leaking
at pump
POSSIBLE CAUSE
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
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 per-
sists, replace plug.
Clean and/or replace
filter element. Refer to
Engine Owners Manual
for correct procedure.
22- ENG
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