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 TM 55-1905-221-14-2
5-12.2.
ALTERNATOR (Continued)
LOCATION/ITEM
ACTION
REMARKS
REPAIR (Cont)
Middle bearing, ID ...................... 0.9970 ........................ 0.9990 inch
(2.5320 ....................... 2.5370 cm)
Commutator end
bearing, ID . ............................... 0.5620 ........................ 0.0564 inch
(1.4270 ....................... 1.4330 cm)
c.
Replace other defective
parts as required.
ASSEMBLY
13.
Commutator
a.
Install sleeve bearing (49)
Use arbor press.
End Bearing
in commutator end bracket
(43) if removed, as follows:
If bearing is worn more than
0.005 inch (0.013 cm) beyond
maximum dimension, as listed
below, they should be replaced.
Wear will be greatest on side
which sustains greatest thrust
during cranking. After a
new bearing is pressed into
place, cross-drill oil hole.
Ream to finish size as listed
below, and remove burrs in oil
passage.
5-190
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