Unusual Noises
Pulleys not in alignment.
Loosen pul-
leys and
align using a
straight edge.
Pulley is not properly secured
Re-secure properly.
One or more pump vane is sticking.
Flush out pump and
replace vanes
if necessary.
Pump not receiving adequate oil
Oil level in reservoir
has dropped below
wick. Fill reservoir
Vent hole on oil
reservoir fill cap
has plugged. Clean.
Oil tube has come off
or is leaking. Reat-
tach.
Pump operating too slow
Change pulleys to
operate between 1200
and 1750 rpm.
Inlet or outlet of pump is plugged or
Clear obstruction.
restricted.
TROUBLE SHOOTING YOUR PUMP (CONT.)
PROBLEM
CAUSE
SOLUTION
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