Simpson ALK4033 Instruction Manual page 23

OPERATIONAL
ISSUE
Oil leaking
at pump
POSSIBLE CAUSE
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
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