Service manual

7.4.6 Rectifier Modules

1. Loosen and remove the 2 cables (T20).

2. Remove the 6 screws (T20) from the shield.

3. Remove metal shield and plastic cover.

4. Remove the 2 screws (T20) from each of the

rectifier modules.

5. Remove the 3 rectifier modules.

7.4.7 IGBT

1. Remove the 4 screws (T20) from the cable

connector plate.

2. Remove the cable connector plate.

3. Loosen the coil cables (T20).

4. Unplug the cables.

5. Remove the 2 screws from each of the 2

capacitors

6. Remove the capacitors.

7. Remove the 4 screws (T20) from the bus bar.

8. Remove the cables from the IGBTs.

9. Remove the 2 screws (T20) from each IGBT.

10. Remove the IGBTs.

CAUTION

The IGBTs and the heatsink have thermal paste on them.

Be careful not to touch the paste directly as it is

poisonous.

11. Remove the thermal paste from the IGBT.

12. Clean the heatsink.

Reinstall in the reverse order. Join the mounting snaps.

130BC131.11

Illustration 7.12 IGBT

Cable mounting plate

2 IGBT

3 Bus bar

4 Capacitor

Table 7.12

H-Frame Size Disassembly a...

VLT

HVAC Basic Drive Service Manual

64 MG90X202 - VLT

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