TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815 -202-34 CAUTION Run engine in clean area when air intake ducting is removed. Dirt, dust, and particles in unfiltered air can enter engine and damage parts or cause mechanical failure. c. Start engine and run engine to attain coolant operating temperature of 160-185°F (71.1 -85,0”C). d. Move speed control lever (11) in maximum speed position. Apply oil or air pressure to governor and note engine speed. Return engine to idle position. e. Discontinue oil or air pressure to governor and stop engine. If additional adjustment is needed, proceed with steps f thru k. f, Remove two bolts (9) and two Iockwashers (8) securing governor spring housing (6) and cover (5) to governor housing (1 O). Remove governor spring housing and cover. Discard two Iockwashers and two gaskets (7). CAUTION Do not permit seal ring on piston to slide past inlet port, or seal ring will be damaged. ● g. Remove piston (3) and sleeve (12) from governor spring housing (6). 8-27