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 TM 55-1905-223-24-3
(6) Pull the plug, attached to the leads extending from the generator rear end bracket, through the stator opening.
Insert the plug into the receptacle attached to the stator windings (Figure 4-1b).
(7) Install the access cover (Figure 4-1a).
f. Install the generator assembly (paragraph 3-13).
NOTE
The angular position of the permanent magnet stator housing is important to the performance of the
control system. When the permanent magnet rotor or stator, or the main stator, has been replaced,
the positioning of the stator must be checked and corrected to ensure proper operation.
g. Check and correct the angular position of the permanent magnet stator housing.
NOTE
The generator assembly must be completely installed and ready for normal operation.
(1) Start the generator in a "NO LOAD" condition.
(2) Connect a voltmeter across the main output terminals, so the reading can be observed while adjusting the
permanent magnet position.
(3) Run the machine up to full speed and while firmly holding the stator housing in position; loosen the clamp washer
bolts approximately one turn, until slight movement is allowed.
CAUTION
Under no circumstances should the permanent magnet stator housing be allowed to move out of its
recess, even slightly, as there is a risk that the stator will foul on the rotor. If there is any doubt, two
people should be employed in loosening the bolts and holding the housing in position.
(4) Make an identification mark at the 12 o'clock position on the permanent magnet stator housing.
NOTE
The voltage variation will be approximately 5 percent from maximum to minimum. The maximum
movement clockwise or minimum movement counterclockwise is approximately 25 degrees (80 mm).
4-25
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