TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9-2350-311-10 3-6 ARMAMENT AND CAB MAINTENANCE — CONTINUED 3-6.4 Zero Pressure Check and Checking, Filling, and Draining Power Pack — Contlnued Procedure — Continued 14 If power pack assembly (11) reservoir is overfilled, drain hydraulic fluid to proper level. (a) Turn pointer handle (13) at bottom of sight gage (10) to OFF. (b) Place a container below plug (14). (c) Loosen plug (14) at sight gage (10). NOTE Dispose of drained hydraulic fluid in accordance with local regulations. Do not reuse. (d) Turn pointer handle (13) at bottom of sight gage (10) to DRAIN and collect excess hydraulic fluid in container. (e) When hydraulic fluid level is correct, turn pointer handle (13) to OFF. (f) Turn pointer handle (13) to GAGE position and tighten plug (14). 3-48