Operation
10
313444E
Operation
Theory of Operation
Air is constantly being applied to the air/oil blocks. After
a preset Pause (off) Time, the controller activates the
pump. The green “Power ON” LED (D) lights. System
pressure builds causing the piston distributors within the
air/oil mixing module to fire. The “No OIL” pressure
switch closes.
The output from the piston distributor is discharged to
the air/oil mixing chamber where the constant flow of air
causes a thin film of oil to flow along the delivery tube in
a constant, wave-like motion. This film is then applied in
the form of a very fine spray from a drilled orifice or noz-
zle tube to the bearing elements on a constant basis.
If the oil pressure switch closes before the expiration of
set Work Time, the pump and “Pump ON” LED (C) turns
off and the timer begins its count down to the next lube
occurrence.
If the oil pressure switch does NOT close before the
expiration of the set Work Time, a fault is registered,
causing a red “Alarm” LED (E) to light. The Fault Alarm
contacts to transfer. The “Pump ON” LED (C) and pump
turn off.
Other System Faults
NOTE:
If a fault occurs, press the Manual Run/Rest but-
ton to clear the fault and restart the pump. The pump will
not start until the fault is cleared.
Startup Procedure
1. Verify the pressure regulator set point for the air/oil
mixing blocks; the bearing should be receiving air.
2. Repeatedly press the manual run button (B) (allow-
ing approximately 5 seconds of OFF time between
cycles).
3. Verify oil output from each of the air/oil mixing
blocks.
NOTE:
This step also ensures that the inside of the
air/oil delivery lines are coated with oil.
4. If a Timer is used, verify the cycle time.
5. Allow the system to stabilize for 15 minutes; then
check the air/oil lines to ensure that oil has reached
the bearing.
6. Start the spindle.
Fault
Red Alarm
LED
Lights
Pump
Shuts
Down
How to
Confirm Fault
Reservoir
Level Low
X
YES
Visually examine
the oil level within
the translucent
reservoir.
Air Pressure Low
(<25 psi, 1.7 bar,
0.17 MPa)
X
YES
Visually examine
the air pressure
gauge
