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 TM 55-1905-219-14-6
3-154. OVERSPEED GOVERNOR - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT
14.
Overspeed
Cap
1. Loosen.
governor
adjusting
lockscrew
2. Rotate cap clockwise
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
4. Tighten the screw
the governor.
when the adjustment
The governor
is complete.
should not be
adjusted to
trip below 100
RPM above the
normal running
speed of the
engine.
Under no circumstances should the
governor switch be by-passed to
prevent engine shutdown in the
event of overspeed. 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.
3-2647
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