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TM 5-2420-222-34
7-1.
ENGINE AC GENERATOR REPAIR (Con’t).
c.
REPAIR
1.
If scored, turn slip rings on rotor using engine lathe, then polish lightly with fine abrasive paper.
2.
Restore damaged rotor, semiconductor devices, or plate assembly threads using screw threading set.
d.
ASSEMBLY
1.
Using arbor press and inside diameter remover and installer, press ball bearing (22) in place on rotor (15).
2.
Using arbor press and outside diameter remover and installer, press ball bearing (24) in front electrical end bell
3.
Install retaining ring (23) against ball bearing (24) in front electrical end bell (5).
4.
Position front electrical end bell (5) on wood blocks with ball bearing (24) facing up. Install rotor (15) with
assembled parts in ball bearing and tap until seated.
5.
Slide sleeve bushing (25) in place against ball bearing (24) on rotor (15).
6.
Install fan (26) on rotor (15).
TA71339
7-9
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