
23 - ENG
OPERATIONAL
ISSUE
POSSIBLE CAUSE
SOLUTION
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.