TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 I 1524. ENGINE RUN-IN 1 This task covers: In-chassis Run-In INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Manual References TM 9-2320-387-10 Equipment Condition Engine installed in vehicle (para. 15-28). General Safety Instructions Ensure engine compartment is free of all tools and working material before starting engine. Maintenance Level Direct support In-chassis Run-In 1. Start engine (TM 9-2320-387-10) and allow engine to idle for five to ten minutes. 2. Stop engine and inspect oil and coolant levels (TM 9-2320-387-10). 3. Check for leaks. If any leaks are found, correct as necessary. NOTE 4. 5. 6. It may be necessary to block air flow to radiator. Start engine (TM 9-2320-387-10) and run at l/4- to l./Zengine throttle until coolant temperature reaches 165”-195°F (74”-91°C). Repeat steps 2 and 3. Set engine idle speed (para. 3-45). WARNING Ensure engine compartment is free of all tools and working material before starting engine. Failure to do this may cause injury to personnel or damage to equipment. CAUTION If any leaks or abnormal noise is noted, stop engine immediately and correct as necessary. Any abnormalities must be corrected before proceeding. FOLLOW-ON TASK: Perform break-in service (TM 9-2320-387-10). 15-46