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 TM 55-1905-220-14-5
3-79. OVERSPEED GOVERNOR-MAINTENANCE (Cont).
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT
14.
Overspeed
a. Cap
1. Loosen.
Governor
adjusting
lock
2. Rotate cap clockwise
screw to lower the trip
speed.
3. Rotate cap counter
The total range
clockwise to raise
of adjustment
the trip speed.
is shown on the
name plate on
the governor.
The governor
should not be
adjusted to
trip below 100
RPM above the
normal running
speed of the
engine.
4. Tighten screw when
the adjustment is
complete.
CAUTION
Under no circumstances should the governor switch be by-passed to prevent engine shut-down in the
event of overspeed, otherwise serious damage to not only the engine, but also to the governor may
be incurred since the governor is not designed to operate above its tripping speed.
3-1383
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