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ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 5-102 (19) Inspect cover (7) and housing (11) for evidence of gear rub.  Light contact is acceptable.  Replace oil pump if parts are heavily worn. (20) Install idler gear (12) and drive gear (13). (21) Install oil pump assembly, refer to step d. c.     Replacement. (1) Remove oil pump assembly, refer to step a. (2) Inspect oil pump assembly, refer to step b.  Replace oil pump components found defective during inspection.  Replace entire oil pump if components are not within specifications.  Refer to step d for installation. d.    Installation. (1) Remove all covering installed during step a (8). (2) Position housing (11, Figure 5-86) on front plate.  Install capscrew (10) finger tight. (3) Position O-ring seal (9) and outlet tube (8) in cylinder block. (4) Position O-ring seal (9) in cover (7).  Position cover on housing (11) and outlet tube (8).  Install capscrews (6) finger tight. (5) Position O-ring seal (5) and pick-up tube assembly (4) on cover (7).  Install capscrews (3) finger tight. (6) Torque capscrews (3, and 6) evenly in cross pattern to 26 lb-ft (35 Nm). (7) Torque capscrew (10) to 59 lb-ft (80 Nm). (8) Position gear (2) on shaft.  Install new nut (1) and torque to 37 lb-ft (50 Nm). (9) Stake nut (1) to shaft by applying three center punch marks near inner diameter of nut. 5.4.9   OIL BYPASS VALVE ASSEMBLY. NOTE The following procedures require complete access to the engine.  If necessary, remove engine from generator set, refer to TM 9-6115-672-14.   Mount engine on repair stand (NSN 4910-01-016-1835 or equal) as outlined in paragraph 4.10. a.     Removal. (1) Remove front plate, refer to paragraph 5.4.3. (2) Remove oil bypass valve (1, Figure 5-89) and spring (2).


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