TM 10-4610-229-24
2-57. INJECTION NOZZLE REPLACEMENT (CONT)
b. Compression Testing
1 Screw compression tester into cylinder head.
2
Put compression chart in tester.
WARNING
To prevent engine from starting and possibly injuring personnel, make sure injection pump stop
lever is in the stop position.
3
Hold the injection pump stop lever in the stop position throughout test.
4
Crank engine three to five turns.
5
Check reading of compression chart. Compression should be 363-392 psi. If compression not within this range,
notify your supervisor.
6
Remove compression tester from engine.
7
Repeat steps 1 thru 6 for each cylinder to be tested.
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