Internal Access; Power Card; Upper Capacitor Bank Assembly (Without Removing Power Card) - GE AF-650 GP Operating Instructions Manual

8.2.2 Internal Access

1. Remove inverter module from frequency converter in accordance with instruction in section Inverter Module.
2. Remove right side panel from inverter module by removing four nuts (10 mm). Note for reassembly 2 studs on panel edge. This side mounts to front of
unit for reassembly.

8.2.3 Power Card

1. Unplug cables from all power card connectors: MK112, MK109, MK106, FK103, MK107, MK105, MK104, MK102, and MK110.
2. Remove power card by removing seven screws (T25) and detach plastic standoff at top right corner of power card.
Reinstall in reverse order of this procedure. Tighten mounting screws to 2.3 Nm (20 in-lbs).

8.2.4 Upper Capacitor Bank Assembly (without removing power card)

NOTE: The power card may remain attached to the capacitor bank cover during removal. If desired, remove the power card in accordance with instructions
provided. See exploded view illustration for further detail.
1. Disconnect cables from MK109 and MK105 on power card.
2. Disconnect cable from MK107 on power card.
3. Remove two red wires from 15A fuse block attached to cover plate flange.
4. Free cable entirely with the 2 red wires attached to it by disconnecting 10-pin connector next to fuse block on cover plate flange.
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5. Disconnect 2 white wires from 4A fuse block attached to cover plate flange and free cable by disconnecting 6-pin connector on opposite end of cable.
6. Remove MK102 from power card and ground lug. Power card may now remain fastened to cap bank assembly.
7. Remove six electrical connection nuts (8mm) securing capacitor bank assembly. These nuts are recessed in the gap between the upper and lower
capacitor banks.
8. Remove four retaining nuts (10mm) securing cap bank assembly.
9. NOTE: Capacitor bank assembly may weigh up to 9 kg (20 lbs). Remove capacitor bank assembly.
Reassembly is done in reverse order.
1 Upper capacitor bank assembly
2 Inverter power card
3 10mm retaining nut (step 8)
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4
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High Power Service Manual for Unit Sizes 6x
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130BX274.10
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4 8mm electrical connection nut (step 7)
5 Lower capacitor bank assembly
6 IGBT gate driver card