TM 5-3810-231-12
proper contact. See that cut-out relay is not
b. Removal. Remove the aneroid control as shown on
open. If still no voltage build up, replace
c. Cleaning and Inspection.
e. Brush Replacement.
Replace alternator
(1) Clean the aneroid control using a cloth
brushes as instructed in figure 43.
dampened with an approved cleaning
solvent.
86. Aneroid Control and Overspeed Governor
(2) Inspect for cracks, breaks, and other
damage.
a. Aneroid Control Adjustment.
(3) Replace a damaged or defective aneroid
control.
(1) The aneroid control (fig. 44A) may be
field adjusted by observing acceleration
d. Installation. Install the aneroid control as shown on
smoke density if pressure gauges are not
available.
e. Overspeed Governor Reset.
The overspeed
(2) Turn fuel screw in 2 to 2 1/2 turns after
governor (fig. 44-B) has a reset button. Should overspeed
contact with lever.
occur the governor will stop the engine and it cannot be
(3) If density of acceleration smoke is too
started until the reset button on the end of t h e governor is
dark, back out fuel screw until smoke
pushed to reset it.
density becomes acceptable.
f. Governor Removal. Remove the overspeed
governor as shown in figure 44-B.
Caution:
g. Cleaning and Inspection.
Do not back screw away from
(1) Clean the overspeed governor using a cloth
contact with lever. If screw is backed
dampened with an approved cleaning
out too far, engine acceleration will
solvent.
be slow.
Figure 43. Alternator brush replacement.
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