9
TROUBLESHOOTING CHART
Filter will not pump
Filter paper too thick.
Use new sheet of paper.
shortening.
Dirt or nick on standpipe pump
Clean off dirt.
fittings which results in leaking
Replace standpipe assembly.
air into the pump intake.
Replace standpipe coupling.
Leaking gaskets.
Return for service.
Oil seal leaking.
Return for service.
Motor not running.
Check power supply.
Return for service.
Cold shortening.
Ensure vat is at operating temperature.
Hose clogged. Hose not drained at
Soak in hot water until loose.
finish of previous operation.
CAUTION: Make sure there is not water
CAUTION: HOSE MAY BURST IF
in hose before reconnecting to pump.
USED IN THIS CONDITION
Pump not operating.
Consult operating procedures.
Return for service.
Filter paper clogged. 2” (5 cm) of
Spread filter powder around ring weight.
shortening in bowl.
See sealing procedure on page 11.
Examine ring weight and bowl for defects
(ie, warps, dents). If defective, replace.
Lost seal. See sealing procedure on page 11.
Using too much Gycor
(HCS)
or
Use recommended amount
1 McD portion
filter aid.
pak (HCS)
10.5 oz. (300 grams).
Machine pumping
Shortening too cool (will cause
Keep vat at cooking temperature until
shortening slowly.
paper to clog and machine to pump
emptied into filter machine.
slowly).
CAUTION: Vat must be turned OFF just
before vat is drained.
Using too much Gycor
(HCS)
or
Use recommended amount of
McD portion
filter aid.
pak (HCS)
10.5 oz. (300 grams).
Power cord attached improperly or
Return for service.
not in good repair (Motor will not
run at full power).
Motor not operating correctly.
Return for service.
Shortening cannot be Filter paper not centered or creased
See sealing procedure on page 11.
completely pumped
under ring.
Ensure paper is centered and placed flat.
out (Shortening
Ring weight is bent or warped
See sealing procedure on page 11.
covering surface
(should be flat).
Badly warped or bent rings should be
of filter paper.)
replaced.
Bowl rim is bent or not clean (buildup
See sealing procedure on page 11.
of hardened shortening).
Clean bowl thoroughly.
Remove dents or replace bowl.
PROBABLE CAUSE
PROBLEM
CORRECTIVE ACTION
