TM 5-3895-383-24
Injector Rack Control Linkage
(16) Lever (of injector being checked).
12.
Push down, then quickly release, lever (16) of the
injector being checked. "Flip" the lever in this manner to
make sure there is smooth movement of the injector
rack.
13.
The dial indicator must indicate +0.01 to +0.05 mm.
Repeat Steps 10 through 13 two or three times to
confirm the reading.
14.
If the reading is correct, go to Step 21.
15.
If the dial indicator does not indicate +0.01 to +0.05 mm,
go to Step 16.
Synchronize Injector [View B-B From (previous illustration)
Injector Rack Control Linkage Illustration]
(13) Injector base. (14) Rack stop. (16) Lever. (17) Setscrew.
(18) Clamp.
16.
Use 1U6673 Wrench to loosen locknut and back out
(turn CCW) setscrew (17).
NOTICE
Do not loosen screws holding clamps (18) to the control
shaft. (The screws can be identified as those with socket
heads filled with sealant). Clamps (18) are factory set to
the shaft. Loosening the clamps will cause poor engine
performance and may damage the engine.
17.
Hold the rack head of No.1 injector in FUEL SHUTOFF
position (as described in Step 11) for Steps 18 and 19.
18.
Push down, then quickly release, lever (16) of the
injector being synchronized.
19.
With 1U6673 Wrench, turn setscrew (17) clockwise until
the dial indicator reads +0.01 to +0.05 mm. Tighten the
locknut while holding setscrew (17).
20.
Check the adjus tment by repeating Steps 10 and 11. If
the indicator does not indicate +0.01 to +0.05 mm,
complete Steps 16 through 19 again.
21.
Remove 1U6679 Indicator Group (9) and the dial
indicator (8) from the engine. Install bolt (7) that was
removed in Step 5.
22.
Remove 1U6675 Injector Spring Compressor (6) from
the injector that was checked. Install the rocker arm
assembly. Make sure push rods are properly seated in
the rocker arms and lifters.
23.
Synchronize the other injectors as necessary.
24.
If fuel setting is to be checked, refer to subject Fuel
Setting.
25.
If fuel setting is known to be correct, remove the
1U6675 Injector Spring Compressor from No. 1 injector.
Install the rocker arm assembly. Make sure push rods a
properly seated in the rocker arms and lifters.
26.
Check valve lash and fuel timing for those cylinders that
had rocker arms removed. See subjects Valve Lash
and Fuel Timing.
6-65