Quantcast Figure 4-22. Positioning No. 1 injector rack control lever.

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TM 55-190-217-12
Figure 4-23. Checking rotating movement of injector
control rack.
1. Control lever adjusting
5. Injector rack control
screw (inner)
lever
2. Control lever adjusting
6. Cam screw (outer)
3. Injector control tube
7. Throttle shaft lever
4. Fuel rod
8. Lock nut lever
9. Buffer screw
10.Speedcontrol lever
Figure 4-22. Positioning No. 1 injector rack control lever.
NOTE
The above step should result in placing the governor
linkage and control tube assembly in the same
position that they will attain while the engine is
running at full load.
(5)  To be sure the control lever is properly
adjusted, hold the speed control lever in the maximum
Figure 4-24. Check injector control rack "spring".
speed position and press down on the injector rack with a
screw driver or finger tip and note "rotating" movement of
the stop under the governor cover). This will result in a
the injector control rack (fig. 423) when the speed control
step up in effort required to move the speed control lever
lever is in the maximum speed position. Hold the speed
to the end of its travel. To correct this condition, back off
control lever in the maximum speed position and using a
the inner adjusting screw slightly and tighten the outer
screw driver, press downward on the injector control
adjusting screw slightly.
rack. The rack should tilt downward (fig. 4-24) and when
the pressure of the screw driver is released, the control
rack should "spring" back upward.
(6)  If the rack does not return to its original
position, it is too loose. To correct this condition, back off
the outer adjusting screw slightly and tighten the inner
adjusting screw slightly.
(7)  The setting is too tight if, when moving the
speed control lever from the idle to the maximum speed
position, the injector rack becomes tight before the
speed control lever reaches the end of its travel (as
determined by
4-27


 


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