OM4006.2 10/98 Maintenance - Section 4 Automatic Lube System Page 4-21 FIGURE 4-10. 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. Safety Unloader Valve 14. Injectors 4. Vent Valve 6. Solenoid (SV2) 11. Orifice Assembly Fitting 7. Pressure Reducer FIGURE 4-11. 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) Solenoid Valves) * Keyswitch (3) must be closed ("ON") to energize Timer (1).