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TM 9-2320-364-34-2
6-9
NOTE
If resistance reading in Step (9)
is low (2.6 to 2.8 ohms), stator is
grounded. Replace stator.
(9)
Touch one test lead to bare metal surface of
stator (4) and other test lead separately to
each pair of three stator ring terminals (5),
(6) and (7).
NOTE
If resistance is not 1.0 ohm or
less, stator is defective. Replace
stator.
(10)
Touch test leads to three pairs of stator ring
terminals (5) and (6), (6) and (7) and (5)
and (7) and read resistance across each set of
terminals.
NOTE
If multimeter does not indicate
an open circuit in either test,
rotor coil is grounded. Replace
rotor.
(11)
Touch one test lead to bare metal surface on
shaft (8) and other test lead separately to
each slip ring (9).
NOTE
If resistance is not 10.0 ohms or
less, replace stator.
(12)
Touch test leads to each slip ring (9).
NOTE
Minimum outside diameter of
slip rings is 1.057 in. (26.848
mm). If measurement is less,
replace rotor.
(13)
Measure outside diameter of slip rings (9).
NOTE
Minimum outside diameter of
shaft is 0.669 in. (16.9 mm). If
measurement is less, replace
rotor.
(14)
Measure outside diameter of shaft (8).
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