Simpson ALH3425 Instruction Manual page 23

OPERATIONAL
ISSUE
Water leaking
at pump
Pump pulsates
Oil leaking
at pump
POSSIBLE CAUSE
Loose connections
Piston packings worn
Worn or torn o-ring
Pump head or tubes
damaged from freezing
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
Tighten
Please contact our customer
service department at
www.simpsoncleaning.com
Please contact our customer
service department at
www.simpsoncleaning.com
Please contact our customer
service department at
www.simpsoncleaning.com
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
persists, replace plug
Clean and/or replace
filter element. Refer to
Engine Owner's Manual
for correct procedure.
23 - ENG