TM 10-4130-237-14
4-19.
ENGINE ASSEMBLY REPLACEMENT (CONT)
a. Compressor Testing
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6
Insert compression tester in one cylinder.
If electric power available, insert power cable in 12/24 VOLT INPUT FOR STARTING connection.
Push starter button S7. If electric power unavailable, turn engine with starter rope.
Note compression displayed on tester.
Insert compression tester in other cylinder. Repeat step 2.
Note compression displayed on tester. If there is more than a 25 percent difference between the two read-
ings, notify direct support maintenance.
Install spark plugs (para 424).
b. Removal
1 Remove water pump drivebelt (para 4-13).
2 Remove compressor drivebelt (para 4-14).
3 Disconnect fuel line from engine base connection.
4 Place oil drain pan (appendix D) under OIL DRAIN.
5 Press release tab and pull out on drain plug. Allow oil to drain. Install plug.
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