Service manual

8.2.4 SMPS Card
1. Remove the 3 black plastic covers.
2. Unplug and remove the fan.
3. Unplug all other cables.
4. Remove the 2 screws (T20) at MK101.
5. Remove the 3 screws (T20) at K103A, K104A, and
K105A.
6. Remove the 4 screws (T20) and from the SMPS
card.
7. Lift off the SMPS card.
Reinstall in the reverse order.
1
130BC061.11
Illustration 8.4 SMPS Card
1 SMPS card
Table 8.4
8.2.5
Bus Bar Unit
1. Remove the 2 screws from the snubber capacitor
on the bus bar unit.
2. Remove the snubber capacitor.
3. Use a Hex 8 key to remove 2 screws from the bus
bar unit.
4. Remove the 6 small screws (T10).
5. Remove the remaining 9 screws (T20).
6. Unplug cables.
7. Lift out the bus bar unit.
Reinstall in the reverse order.
1
2
130BC062.11
Illustration 8.5 Bus Bar Unit
1
Fan
2 Bus bar unit
Table 8.5
I-Frame Size Disassembly an...
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HVAC Basic Drive Service Manual
78 MG90X202 - VLT
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