TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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TM 9-2815-237-34 2-16. CYLINDER BLOCK REPAIR (Cont’d) 3. Camshaft bearing replacement. a. b. c. d. e. f. g. h. i. j. Remove Remove WARNING Cylinder block must be supported during removal and installation from engine stand. Failure to support cylinder block may cause injury to personnel or damage to equipment. NOTE The following steps are to be performed only if camshaft bearings are to be replaced. cylinder block (2) from engine stand. twenty capscrews (3) and five main bearing caps (4) from cylinder block (2). Drive camshaft rear plug (1) from cylinder block (2). Discard plug (1). Install adapter J 6098-11 in camshaft bearing number two (6). Install pilot in number one camshaft bearing (5). Insert threaded rod through pilot and into adapter. thread Hold threaded rod stationary and tighten long hex nut to remove camshaft bearing (6) from cylinder block (2). When camshaft bearing (6) has been completely removed from cylinder block (2), remove threaded rod, pilot, and adapter. Discard bearing (6). Repeat steps d. through f. for number three camshaft bearing (7). Repeat steps d. through f., working from rear of cylinder block (2), for number four camshaft bearing (8). Using driver handle and adapter J6098-11, remove number one camshaft bearing (5) from cylinder block (2). Discard bearing (5). Using driver handle and adapter J 6098-12, remove number five camshaft bearing (9) from cylinder block (2). Discard bearing (9). 2-48