TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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3-22. ENGINE REMOVAL (6.2 L) This task covers: Removal INITIAL SETUP: General Safety Instructions ______________________ • Hood must be supported during removal. • Do not remove surge tank filler cap before releasing internal pressure. • Do not drain oil when engine is hot. • Alternator must be supported during removal. • Do not touch hot exhaust system components with bare hands. • Do not use diesel fuel near fires, flames, or sparks. • Transmission must be supported during engine removal. • Direct personnel to stand clear during hoisting operation. • Do not use hands to free engine of hangups or snags. • Parking brake to be applied throughout procedure. Maintenance Level _______________ Direct support TM 9-2320-280-34 3-46 Change 1 NOTE • Replacement parts for 1990 and above engines and previous model engines are basically the same. Refer to engine decal model number on left rocker arm cover before ordering replacement parts. • This procedure is for 6.2L and detuned 6.5L engines only. Refer to para. 3-24 for 6.5L engine removal. CAUTION Throughout engine removal procedure, cover or plug all hoses immediately after disconnecting to prevent contamination. 1. Disconnect connector plug (7) from connector to receptacle (6). WARNING Hood must be supported during removal. Failure to support hood may cause injury to personnel and damage to equipment. 2. Remove four screws (15), lockwashers (14), and bracket (13) from airlift bracket (10). Discard lockwashers (14). 3. Lower hood and remove two cotter pins (3), washers (4), hinge pins (8), washers (1), and two upper hinge halves (2) from lower hinge halves (5). Discard cotter pins (3). 4. Remove hood with prop rod (9) and bracket (13) attached. 5. Remove two cover plates (11) and seals (12) from airlift brackets (10). Removal Applicable Models _______________ All vehicles except: M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2, M1123 Tools ____ General mechanic's tool kit: automotive (Appendix G, Item 1) Special Tools __________ Engine lifting sling (Appendix G, Item 22) Hex head driver, 8 mm, (Appendix G,Item 115) Material/Par ts Engine/Transmission support sling (Appendix C, Fig. 24 through 40) (Optional) Personnel Required ________________ One mechanic One assistant Manual References ________________ TM 9-2320-280-10 TM 9-2320-280-20 TM 9-2320-280-24P Equipment Condition _________________ • Battery ground cable disconnected (TM 9-2320-280-20). • Hood raised and secured (TM 9-2320-280-10). • Engine access cover removed (TM 9-2320-280-20).