TM 5-3810-300-24&P-3
14.3.4 Limiting Speed Governor (Fast idle)
1
Disconnect any linkage attached to the governor
speed control lever.
adjustable, except by disassembling the fast idle air
1
Turn the fast idle cylinder assembly in until an
cylinder and changing the dual idle spring. As with all
increase of idle speed is noted. The increase in idle
mechanical governors, when load is applied, the engine
speed should not exceed 15 rpm Tighten the fast
speed will be determined by the governor droop.
idle jam nut.
2
Lock the governor throttle in the idle position and
Adjust Governor
apply full shop air pressure to the fast idle air
cylinder. The engine idle speed must increase 250-
Adjust the governor as outlined in Section 14.3.
550 rpm, depending upon the dual idle spring used.
However, before adjusting the governor gap, back out
The throttle locking air cylinder is adjusted on its
the de-energized fast idle air cylinder until it will not
mounting bracket so it will lock the throttle in the idle
interfere with the governor adjustments. After the normal
position when it is activated, but will not limit the throttle
idle speed setting is made, adjust the deenergized fast
movement when not activated.
idle air cylinder as follows:
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