TM 5-3810-300-24&P-3
14.3.3 Variable Low-Speed Governor
Fig. 3 - Adjusting Governor Gap
1
Stop the engine, remove the two bolts and withdraw
the governor spring retainer cover.
2
Back out the buffer screw until it
extends
approximately 5/8" from the lock nut.
3
Make a preliminary idle speed (normal highway idle
speed) adjustment as follows:
a Back out the variable low-speed adjusting shaft
until the shoulder on the shaft contacts the shaft
retainer (Fig 1).
b. Start the engine. Then hold the lock nut and
loosen the low-speed adjusting shaft retainer.
c. Adjust the retainer and shaft assembly to obtain
the desired idle speed (450 rpm minimum).
NOTE: It may be necessary to use the
buffer screw to eliminate engine roll.
Back out the buffer screw, after the idle
speed is established, to the previous
setting (5/8"). Then hold the retainer
and tighten the lock nut to retain the
adjustment.
Adjust Governor Gap
4
Stop the engine and remove the governor cover
and lever assembly.
With the engine at operating temperature, adjust the
governor gap as follows:
5
Start and run the engine between 900 and 1050
rpm by manual operation of the differential lever as
shown
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