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
