TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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3-8. ENGINE, TRANSMISSION, AND POWER STEERING OIL COOLER ASSEMBLY MAINTENANCE TM 9-2320-387-24-1 3-12 Change 1 This task covers: a. Removal c. Cleaning and Inspection b. Installation a. Removal WARNING Do not drain oil when engine is hot. Severe injury to personnel may result. CAUTION • Cover or plug all hoses and connections immediately after disconnection to prevent contamination. Remove all covers or plugs prior to connection. • Do not bend transmission oil cooler fins. Damaged fins reduce cooling efficiency, which may damage engine and/or transmission. NOTE • Have drainage container ready to catch oil. • Tag all hoses for installation. 1. Disconnect two engine oil cooler supply and return lines (15) from engine oil cooler ports (11). 2. Loosen two hose clamps (2) and disconnect transmission fluid cooler line connector hoses (1) from transmission fluid cooler ports (3). 3. Loosen two hose clamps (13) and disconnect power steering fluid line hoses (12) from power steering fluid cooler ports (14). 4. Remove four socket-head screws (7) and oil cooler (16) from radiator (17). NOTE Perform steps 5 through 7 if vehicle is equipped with radiator cleaning components. 5. Remove two capscrews (4), washers (5), and support bracket (6) from oil cooler (16). 6. Remove capscrew (8), washer (9), clip (10), and spacer (10.1) from oil cooler (16). 7. Remove four capscrews (20), washers (19), and two hinges (18) from oil cooler (16). INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition • Engine left splash shield removed (para. 10-23). • Headlight housing removed (para. 10-18). General Safety Instructions • Do not drain oil when engine is hot. • Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Maintenance Level Unit