Rectifier Module - GE AF-650 GP Operating Instructions Manual

7.2.5 Rectifier Module

1. Remove center mounted safety cover from rectifier module by removing screws (8mm).
2. Remove top mounted safety cover from rectifier module by removing screws (8mm).
3. Remove two DC bus bars from top of rectifier by removing four nuts (8mm) securing each bus bar (two on each end of bus bar).
4. Remove three AC input power bus bars in order to free module for removal. Bus bars are stacked one behind the other. Each is retained by four nuts
(17mm) .
5. Disconnect four white connectors from top of rectifier module.
NOTE: For reinstallation, note that each connector is a different size.
6. Disconnect connector located on bottom of MDCIC board mounted to back panel above rectifier unit (not shown).
7. Remove two nuts (M6) from bracket at back of rectifier securing module to cabinet.
NOTE: Four eye bolts and washers are stored at left bottom side of rectifier cabinet for use in lifting rectifier. If desired, attach washers and bolts to lifting
holes provided at top of module. Module weighs approx. 136 kg / 300 lbs.
8. Provide sufficient mechanical support to withstand weight of rectifier. Withdraw rectifier from cabinet.
Reinstall rectifier module in reverse order of this procedure.
7
1 Connectors (step 5)
2 Back AC input power bus bar (step 4)
3 Middle AC input power bus bar (step 4)
4 Front AC input power bus bar (step 4)
5 Eye bolt location in rectifier cabinet
6 Eye-bolt washer
102
11
10
9
8
7
6 5
High Power Service Manual for Unit Sizes 6x
1
2
3
4
130BX270.10
7 Eye bolt
8 Rectifier module
9 DC bus bar (step 3)
10 DC bus bar (step 3)
11 Mounting bracket