TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 (6) Remove two camshaft end plugs (38) from camshaft in following manner: (a) (b) (c) (d) (e) (f) (9) Clamp camshaft in a soft-jawed vise. Use care not to damage’ cam lobes or machined surfaces of shaft. Make indentation in center of end plug with 31/64-inch drill. Punch a hole as deep as possible with a center punch to aid in breaking through hardened surface of plug. Drill a hole straight through center of plug with a 1/4-inch drill. Use l/4-inch drilled hole as a guide and redrill plug with 5/1 6-inch drill. Tap drilled hole with a 3/8-16 tap. Thread 3/8-1 6 adaptor (39) into plug. Attach a slide hammer to adaptor. Remove plug. NOTE ● If suitable rod is not available, remove remaining plug by repeating steps (a) thru (g). (h) Insert a long 3/8-inch steel rod in camshaft. Drive out remaining plug. Discard plug. ● (7) Remove camshaft oil seal (40) from left bank front end bearing (25). Discard seal. 4-107