1235 Hickory Street; Pewaukee, WI 53072
For Customer Support: 800-558-7008
Trouble Shooting:
Symptom
Possible Cause(s)
Corrective Action
Pump noise
Cavitation or Aeration
Ensure that open end of suction
tube remains completely below
surface of liquid
Check hose and fittings for leaks
Increase suction hose diameter
reducing velocity of fluid
No outlet flow
Clogged suction tube/ discharge line
Clean suction tube/ discharge line
By-Pass valve in between the open
and closed position
Check to make sure by-pass valve
is fully open or closed
No Air supply to motor
No Air Supply
Check air supply, ensure that is
between 100psi and 120psi
Defective Regulator/ clogged FRL
Remove air line after FRL and
check for air flow, clear FRL of
obstruction.
Note: Air pressure is
preset and locked at 100psi
tampering with this locked
regulator setting will void the
warranty.
Motor Hesitation
Fluid Viscosity to high or debris build
up within motor
Check fluid viscosity
Inspect and flush motor with
pneumatic flushing solvent.
Motor will not run or runs at
low speed
Internal rust or debris build up
Inspect and flush the motor if it is
operating slowly or
Inefficiently, with pneumatic
flushing solvent
Motor vanes are jammed
Have motor serviced.
Motor runs well then slows
down or runs at low speed
Restricted exhaust
Check exhaust for obstruction or
damage causing restriction
Motor runs Hot
Bearing failure
Have motor serviced
TRICO CORPORATION
1235 Hickory Street
Pewaukee, WI 53072
Phone: 800.558.7008 or 262.691.9336
