TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 204 of 670
TM 9-2815-202-34 4-28. ENGINE LOWER FRONT COVER REPLACEMENT (Cent) b. Cleaning/inspection (1) Clean front cover and inspect sealing and that would prevent proper sealing. (2) Check inside of spacer and crankshaft for in circular motion. mating surfaces for cracks, nicks, and damage burrs and nicks. Clean up burrs using crocus cloth (3) Inspect spacer ring for nicks or burrs that would prevent proper sealing. c. Repair/Replacement (1) Support outer face of front cover (9) on two wooden blocks and drive seal (13) out with a soft drift. Discard seal. (2) Clean seal bore. NOTE If new oil seal is not precoated, apply nonhardening sealant to outer edge of metal casing. (3) (4) Position seal (13) in front cover (9) with seal lip pointed toward inner face of cover. Drive seal in (14). Remove any (5) d. Installation (1) (2) (3) with seal installation tool excess sealant. Affix gasket (12) to inner face of front cover (9). Install dirt deflector (11 ) onto crankshaft with flat surface toward engine. Coat lip of oil seal lightly with grease or vegetable shortening. 4-102