TM 5-3895-346-14
GOVERNOR AND INJECTOR RACK CONTROL ADJUSTMENT
ENGINE OVERHAUL
GOVERNOR AND INJECTOR RACK CONTROL ADJUSTMENT
After adjusting the exhaust valves and timing the fuel injectors, adjust the governor (Fig. 1) and the injector
rack control levers.
Preliminary Governor Adjustments
1.
Clean the governor linkage and lubricate the ball joints and bearing surfaces with clean engine oil.
2.
Back out the buffer screw until it projects 9/16 inch from the boss on the control housing.
3.
Back out the booster spring eyebolt until it is flush with the outer locknut.
Adjust Variable Speed Spring Tension
1.
Adjust the variable speed spring eyebolt until 1/8 inch of the threads project from the outer locknut
(Fig. 2).
2.
Tighten both locknuts to retain the adjustment.
NOTE
This setting of the eyebolt will produce approximately 7% droop in engine speed
from no-load to full load.
Figure 2. Adjusting Governor Spring Eyebolt
Figure 1. Variable Speed Open Linkage Governor
Mounted on Engine
422
