Danfoss VLT FC Series, Руководство по обслуживанию

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Disassembly in E2h/E4h drives
For E2h/E4h drives, refer to Illustration 13.33 .
1. Remove the input plate. Refer to
chapter 13.2.9 Input Plate with Busbars and
chapter 13.2.10 Split Input Plate with Options .
2. Remove the vertical brake busbars. Refer to
chapter 13.2.25 Vertical Brake Busbars .
3. Remove 4 screws (T40), 2 from each snubber
capacitor. Remove the capacitors from the drive.
4. Remove 2 thread-forming screws (T25) from the
bottom horizontal busbar. Lift the busbar from
the drive.
5. Remove 4 screws (T40) from the middle
horizontal busbar. Remove the busbar from the
drive.
6. Remove the top horizontal busbar by removing:
6a 2 thread-forming screws (T25).
6b 2 nuts (13 mm) from the right end of
the busbar.
Reassembly in E2h/E4h drives
Tighten fasteners according to chapter 14.1 Fastener Torque
Ratings .
1. Position the top horizontal busbar in the drive,
and replace the following fasteners:
1a 2 thread-forming screws (T25).
1b 2 nuts (13 mm) in the right end of the
busbar.
2. Position the middle horizontal busbar in the
drive. Secure 4 screws (T40).
3. Position the bottom horizontal busbar in the
drive. Secure 2 thread-forming screws (T25).
4. Position 2 snubber capacitors in the drive. Fasten
4 screws (T40), 2 in each snubber capacitor.
5. Replace the vertical brake busbars. Refer to
chapter 13.2.25 Vertical Brake Busbars .
6. Replace the input plate. Refer to
chapter 13.2.9 Input Plate with Busbars and
chapter 13.2.10 Split Input Plate with Options .
E1h–E4h Drive Disassembly a... Service Guide
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