10
Manual 1865 Rev B p/n 001865 0000
Although Tuthill Vacuum & Blower Systems blowers are well designed and manufactured, problems may occur
due to normal wear and the need for readjustment. The following chart lists symptoms that may occur along
with probable causes and remedies.
SYMPTOM
PROBABLE CAUSE
REMEDIES
Pump smokes at the
exhaust side or expels
oil droplets from the
exhaust.
Exhaust filters are not
properly installed with
O-ring.
Check exhaust filter placement and replace if needed.
Filter media is
damaged.
Exhaust filters are
clogged with foreign
particles.
Replace filter and O-ring.
Oil is not recirculating
properly.
Check oil quality and make certain oil lines are clean.
Pump is running too
hot. (Typical operating
temperature of KVA
pumps is
120° – 200°F
[49° – 93°C].)
Not enough oil in the
oil reservoir or oil
is badly burned or
carbonized
Drain oil and refill with the proper oil. Change oil more
frequently.
Not enough air
ventilation to pump
Clean radiator and motor fins. Make certain a sufficient
amount of fresh air is supplied to the pump.
Pump will not operate
(seized up).
Pump operated without
oil and vanes broke
Call Tuthill Vacuum & Blower Systems for service and
repair.
Liquid carry over into
pump cylinder broke
vanes while pump was
running
Install knock-out pot at inlet of pump.
TROUBLESHOOTING
07