4.
If the brake/regen option is present, remove the 2
brake jumper busbars between the main
enclosure and the extended options cabinet. See
4a
Remove 2 nuts (8 mm) attaching the
brake jumper busbars to the standoffs, 1
per busbar.
4b
Remove 2 nuts (17 mm) from the lower
end of the brake jumper busbars, 1 per
busbar.
4c
Remove 2 screws (17 mm) from the top
end of the brake jumper busbars, 1 per
busbar.
e30bg417.10
2
3
6
7
1
4
5
1
Brake terminals
2
Screw (17 mm)
3
Brake jumper busbars
4
Nut (8 mm) for standoff
5
Nut (17 mm)
6
Motor busbars (V and W)
7
Standoff
Illustration 11.38 Brake/Regen Jumper Busbars in D7h/D8h
5.
Remove the 3 motor output jumper busbars
between the main enclosure and the extended
options cabinet. See
:
5a
Remove 3 nuts (17 mm) at the bottom
of the motor output busbars, 1 per
busbar.
5b
Remove 3 screws (17 mm) from the top
of the motor output busbars, 1 per
busbar.
e30bg415.10
3
4
5
1
2
1
Nut (8 mm)
2
Fan access panel
3
Screw (17 mm)
4
Motor output jumper busbars
5
Nut (13 mm)
Illustration 11.39 Motor Output Jumper Busbars in D7h/D8h
6.
Access the heat sink fan cover by removing 6
nuts (8 mm) from the heat sink fan access panel.
7.
Lift the heat sink fan access panel from the
extended options cabinet.
8.
Remove the heat sink fan. Refer to
.
Reassembly
Reinstall in reverse order of this procedure. Tighten
hardware according to
chapter 14.1 Fastener Torque Ratings
.
D2h/D4h/D7h/D8h/J9 Unit Dis...
Service Guide
MG94A502
Danfoss A/S © 02/2019 All rights reserved.
241
11
11