TM 55-2815-574-24
0023
PERFORM INJECTOR CUT OUT TEST - Continued
CORRECTIVE ACTION - Continued
3.
Remove main navigation mast (TM 55-1925-205-10).
4.
Remove intake plenum assembly (TM 55-1925-205-10).
5.
Remove operator`s cab (TM 55-1925-205-10).
6.
Remove engine hatch (TM 55-1925-205-23).
7.
Remove crankcase breather limiter assembly (WP 0106).
8.
Remove engine air inlet collector assembly (WP 0104).
9.
Remove engine poppet valve rocker cover. Contact Maintenance Supervisor.
10.
Install air inlet collector assembly (WP 0104).
11.
Install crankcase breather limiter assembly (WP 0106).
12.
Start engine and run at idle speed (TM 55-1925-205-10).
13.
Using a screwdriver, hold down injector follower (Figure 4, Item 2) on starboard bank number
one injector (Figure 4, Item 1).
NOTE
When cutting out one injector, there should be a noticeable change in the sound
and operation of the engine. If there is none, the injector is misfiring.
14.
While holding down the injector follower (Figure 4, Item 2), listen to the sound and notice
operation of engine.
15.
If there was a noticeable change, repeat Steps 13 and 14 for remaining seven injectors
(Figure 4, Item 1).
16.
If there was no noticeable change, shut engine down (TM 55-1925-205-10).
17.
Remove injector inlet line (Figure 4, Item 5) from injector (Figure 4, Item 1) and injector manifold
(Figure 4, Item 6).
18.
Place a finger over the opening in injector manifold (Figure 4, Item 6).
19.
Crank engine without allowing it to start.
20.
Verify that there is an ample amount of fuel reaching the injector (Figure 4, Item 1).
21.
If an ample amount of fuel is reaching the injector, remove injector inlet fitting (Figure 4, Item 4).
22.
Remove injector filter (Figure 4, Item 3) from injector (Figure 4, Item 6) and discard.
23.
Install new injector filter (Figure 4, Item 3) in injector (Figure 4, Item 1).
24.
Install injector inlet line (Figure 4, Item 5) on injector (Figure 4, Item 1) and injector manifold
(Figure 4, Item 6).
0023-6