OM4017.2 Maintenance - Section 4 Automatic Lube System Reciprocating Pump Page 4-21 FIGURE 4-7. HYDRAULIC SCHEMATIC FOR AUTOMATIC LUBE 1. Grease Pump Cylinder 5. Combination Valve 8. Solenoid (SV1) 12. Hydraulic Supply 2. Grease Pump (Pressure Reducing & 9. Gauge (Cyl. Press.) 13. Hyd. Tank (Return) 3. Grease Reservoir Solenoid Valves) 10. Pressure Switch, N/C 14. Injectors 4. Vent Valve 6. Solenoid (SV2) 2,000 PSI (13 790 kPa) 7. Pressure Reducer 11. Orifice Assembly FIGURE 4-8. TYPICAL ELECTRICAL HOOKUP FOR AUTOMATIC LUBE 1. Timer Assembly 3. Keyswitch* 5. Timer (solid State) 8. Battery (24 V) 2. Combination Valve 4. Relay 6. Solenoid (SV1) 9. Cycle Timer (Pressure Reducing & 7.
Solenoid (SV2) 10. Pressure Switch, N/C Solenoid Valves) 2,000 PSI (13 790 kPa) *Keyswitch (3) must be closed ("ON") to energize the Timer (1).