Engine temperature should remain between 180-200 F (93-97 C) during engine testing
Start engine and run until normal operating temperature is reached (TM 9-2320-364-10).
Shut off engine.
Exhaust manifolds and engine parts are hot. Use care to prevent personal injury.
Compression test for all cylinders are performed the same way. Do one cylinder at a time.
Number 1 cylinder is shown.
Remove engine brake (1) from cylinder head (2).
Remove fuel injector (3) from cylinder head (2).