
![]() ![]() ![]() ![]() ![]() | Grease Pump (Automatic) |
1. See “Grease Pump (Running)” for first sequence of this event.
2. The operator selects the Grease Pump On function and Directional Control Valve (67B) is energized and fluid flows through the valve.
3. The fluid flows to Proportional Pressure Reducing/Relieving Valve (67A) which is regulated by a potentiometer located on the operator’s panel. Pressure fluid is reduced to the setting generated by the potentiometer.
4. Reduced pressure fluid flows through Ball Valve (77) and operates Grease Pump (78).
5. Exhaust fluid from Grease Pump (78) flows back to Reservoir (20).