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lower limit and the OIL LED lights continuously. The LL relay outlet contact closes, transmitting a
total lack of oil condition. At this stage, there is no vertical line-shaft lubrication which means that
either the oil tank is empty or there is an oil flow blockage between the oil tank outlet and the
Dripmaster inlet.
In the case of oil flow blockage in the Dripmaster outlet pipe, excess oil briefly flows from a built-in
overflow hose (see Figure 10 above). Also, the OIL LED turns on, and oil flow is cut off by the
closure of the needle valve. After taking corrective measures, you must reset the system. See
"Resetting the Dripmaster" on page 18.
The internal solenoid provides instantaneous on/off control of oil flow. Whenever the system power
(115 VAC, 220 VAC, or 24 V AC/DC) is on, the energized solenoid allows oil flow. Oil flow stops
when the system power ceases. The oil flow can be manually opened or closed via the manual oil
flow switch (Figure 10).
Push-Down and Push-up Features
In order to enhance the response time of the system whenever the drip rate exceeds 80 dpm, an
automatic push-down mechanism is engaged. This is achieved by continuously closing the valve for
a number of seconds. Excessive drip rates may occur when filling an empty oil tank, or when the
Dripmaster has finished scanning.
Similarly, an automatic push-up mechanism accelerates the stabilization of the system whenever
the Dripmaster is transferred from the Pre-lube (pump off) mode to the Normal (pump on) mode.
This mode change occurs when the 24 V AC/DC is removed from the S.B. terminals in the
connection box.