TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-38. CYLINDER HEAD REPAIR (Cont) (9) Using depth gage (100), measure exhaust valve protrusion beyond fire deck. If out of limits, regrind or replace insert. NOTE ● Before installing cam followers, immerse in Cindol 1705 oil heated to 100 o F-125°F (38°C- 52 o C) for one hour for initial lubrication of cam roller pins and bushings. Rotate cam rollers during soaking period to purge air from bushing and roller area. ● (19) (20) (21) Install used cam followers and push rods in their original locations. Assemble lower spring seat (26), cam follower spring (24), upper spring seat (25), and locknut (15) on push rod (16). Install twelve cam follower spring retainers (22) in cam follower bores from top of cylinder head. Slide twelve push rod (16) assemblies in position from bottom of cylinder head. NOTE Install cam followers with oil hole directed away from exhaust valves. (22) Slide twelve cam followers (23) in position from bottom of cylinder head. 4-208