TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 CAUTION Do not scuff bearing journal surfaces of shaft. Journal surfaces are machined to high tolerances. (18) (19) (20) (21) Remove snap ring (41) and two bearings (42) from center housing assembly (12). Discard snap ring and bearings. Install center housing assembly (12) in a soft-jawed vise. Unscrew back plate (43) from center housing assembly. Remove shims (44), diaphragm (45), and gasket (46). Discard gasket. Remove seal ring (47) from center housing assembly (12). Discard seal ring. If necessary, remove two pins (48) from center housing assembly (12). b. Cleaning WARNING Dry cleanIng solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use only in a well- ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use near open flame or excessive heat. The flash point is 100 o F-138°F (38 °C- 50°C). If you become dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is made, wash your eyes with water and get medical aid immediately. • • • CAUTION Do not use a caustic solution to clean aluminum components. A caustic solution will erode aluminum parts. Do not use wire brush or steel-bladed scraper to clean bearing surfaces or aluminum parts. Metal to metal contact will mar bearing finishes and deform aluminum parts. Clean compressor and turbine wheel blades thoroughly. Deposits left on blades will affect balance of rotating assembly. 6-47