TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 18-4. TRANSFER CASE REPAIR (MODEL 242) (Cont’d) 8. Inspect mainshaft (1) for cracks, breaks, scored bearing surfaces (2), chipped or broken splines (5), damaged lockring groove (3), and damaged gear teeth. Clean oil passages (4). Repair minor scoring and remove burrs on mainshaft (1). Replace mainshaft (1) if damaged. NOTE If any parts of oil pump fail inspection and cannot be repaired, replace oil pump. 9. Inspect oil pump (6) for cracks, breaks, scoring, and damaged bushing and threads. Replace oil pump if any parts are damaged. 18-40