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TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download

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TM 9-2815-202-34 3-5. PREPARATION OF ENGINE PRIOR TO REMOVAL OF ENGINE ACCESSORIES AND INSTALLATION ON MAINTENANCE STAND (Cont) (2) Draining and Cleaning. (a) (b) (c) (d) (e) (f) (9) (h) (i) Drain engine coolant from cylinder block into a suitable container, by opening two drain cocks(3) located at rear of block on both sides. Drain coolant from oil cooler (4) by opening drain cock (5) on rear of cooler. After coolant has been drained, close drain cocks (3 and 5). Using a separate container, drain engine oil by removing drain plug (6) in bottom of oil pan (7). Drain oil from oil cooler (4) by removing two plugs (8) in bottom of oil cooler. Reinstall oil pan drain plug (6) and two plugs (8) in bottom of oil cooler (4). Using a separate container, drain fuel oil from fuel filter (9) and fuel strainer (10) by opening drain cocks (11) in bottom of filters. Close drain cocks (11). Seal all openings on the engine and accessories with waterproof tape or suitable plugs (Use extreme caution to keep foreign material out of working parts of engine assembly). 3-28