TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–59 1 2 30 24 28 27 29 16 25 23 17 18 22 21 19 9 12 3 5 15 6 4 8 10 11 26 14 20 7 13 31 OPERATING PRESSURE 900 PSI (6206 kPa) ELEVATING SYSTEM POWER DRAIN RESERVOIR PRESSURE, 0 PSI (0 kPa) PUMP PRESSURE, 925 TO 1225 PSI (6378–8446 kPa) ELECTRICAL CONTROL CIRCUIT TRAVERSING SYSTEM POWER CAB HYDRAULIC SYSTEMS (M109A2/M109A3 HOWITZERS) LEGEND: 1. Rammer blocking valve 2. Rammer actuating valve 3. Rammer assembly 4. Main accumulator 5. Power pack assembly 6. Power valve 7. Pressure regulator 8. Cylinder 9. Pump 10. Pressure gage (2000 psi (13790 kPa)) 11. Pressure switch (925 to 1225 psi (6378 to 8446 kPa)) 12. Safety relief valve 13. Reservoir 14. Power relay box assembly 15. Slip ring electrical contact holder 16. ELEVATION CONTROL switch 17. TRAVERSE CONTROL switch 18. CAB POWER switch 19. Traversing mechanism hydraulic motor 20. Sight gage assembly 21. Right gunner’s control assembly 22. Hydraulic bypass valve assembly motor 23. Left gunner’s control assembly 24. Elevation selector valve assembly 25. Manual elevating hand pump 26. Shuttle valve and equilibration manifold assembly 27. Check valve 28. Manual elevation accumulator 29. Elevating cylinder locking and relief valve 30. Equilibrated elevating cylinder 31. Clutch