TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 5 To disassemble the cylinder head group (20), remove valve cap (39), check valve (40), and preformed packing (41). Discard preformed packing. 6 Remove drain plug (14) and preformed packing (42). Discard preformed packing. 7 Separate inner cylinder head (43) and outer cylinder head (44) and remove two retaining rings (45). Discard retaining rings. 8 Separate pin and seal group (46). 5-61