TM-9-2350-358-BD M109A6 Battlefield Damage Assessment and Repair Download

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TM 9-2350-358-BD SECTION V. COMPONENT ISOLATION 11-14. GENERAL The hydraulic system directs the flow of energy through lines, manifolds, and valves to perform a required task. Two manual hand pumps are used to manually elevate and equilibrate the system. This section covers expedient repairs to isolate the system. This section covers expedient repairs to isolate the fuze manifold, selector valve, manual elevation hand pump, and the equilibration hand pump. The preferred method of repairs for these components would be to replace them with like serviceable items since isolation of these components degrade the system in various degrees. 11-15. BYPASSING FAILED COMPONENTS General Information: This paragraph contains procedures for bypassing failed components. Option 1: Mode selector valve inoperative (isolate). Limitations: Degraded AFCS Personnel/Time Required: 1 soldier 0.5-1.0 hour Materials/Tools: Cap tube (item 5, Appendix C) Cap tube (item 6, Appendix C) Elbow, 2 each (item 19, Appendix C) High pressure hose 5/8-inch ID 4 feet long (scavenge from available source) Socket, 2 each (item 29, Appendix C) Hydraulic fluid (item 36, Appendix C) References: TM 9-2350-314-20-2-2 11-27