TM 9-2320-260-34-1
3-27. STARTING REPAIRED OR REPLACED ENGINE (Contd)
c. In-Chassis Run-In
Inspect oil and coolant levels (LO 9-2320-260-12).
1.
WARNING
Ensure engine compartment is free of all tools and working
materials before starting engine. Failure to do so may result in
injury to personnel.
CAUTION
If any leaks, abnormal noises, or sudden oil pressure drop is
observed, stop engine immediately and correct as necessary.
2.
Start and idle engine (TM 9-2320-260-10) at 800-1000 rpm for five to ten minutes, observing oil
pressure. If oil pressure drops below 10 psi (69 kPa) or rises sharply above 30 psi (207 kPa), stop
engine (TM 9-2320-260-10) and correct as necessary. Refer to troubleshooting (para. 2-6).
Stop engine and check oil and coolant levels (LO 9-2320-260-12 and TM 9-2320-260-10).
3.
Inspect for leaks. If leaks exist, correct as necessary.
4.
Start and run engine (TM 9-2320-260-10) at 1/4 to 1/2 throttle until coolant temperature reaches
5.
165- 195F (740-91C).
Stop engine and check oil and coolant levels (LO 9-2320-260-12 and TM 9-2320-260-10).
6.
NOTE
It may be necessary to block air flow to radiator.
Inspect for leaks. If leaks exist, correct as necessary.
7.
Start and run engine at idle for five to ten minutes (TM 9-2320-260-10).
8.
NOTE
Engine idle speed check and adjustment cannot be made on a
cold engine.
Check that engine idle speed is 600-650 rpm; if it is not perform
step 10.
Break special seal (5) and remove pipe plug (3) from governor spring pack cover (4).
9.
Using idle adjustment tool, turn adjusting screw (6) clockwise to increase, or counterclockwise to
10.
decrease idle speed. Correct idle speed to 600-650 rpm.
Install pipe plug (3) in governor spring pack cover (4).
11.
Thread seal wire (2) through pipe plug (3) and two hex head cover screws (1), and twist seal wire (2)
12.
until secure and crimp seal (5) with crimping tool.
13.
Stop engine and check oil and coolant levels (LO 9-2320-260-12 and TM 9-2320-260-10).
Inspect for leaks. If leaks are found, correct as necessary.
14.
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