Installation Instructions
1.3 Disassembly Instructions
NOTICE
To make the disassembly/reassembly process easier, use
these general guidelines:
1.
Follow the disassembly instructions for each
component.
2.
Place the component together with the removed
fasteners.
3.
Replace old component with the new component
provided in the kit.
4.
If any fasteners are stripped or lost, replace with
similar fastener from the kit.
5.
Follow the assembly instructions to replace and
secure each component.
1.3.1 General Torque Tightening Values
Use a torque wrench to ensure that correct torque is applied.
Incorrect torque can cause electrical connection problems. For
fastening hardware described in this instruction, use the values
listed in Table 1.4 to Table 1.6 except where noted in the
procedures.
Shaft
Torx/hex
size
drives size
M4
T20/7 mm
M5
T25/8 mm
M6
T30/10 mm
M8
T40/13 mm
M10
T50/17 mm
M12
–/18 mm or
19 mm
Table 1.4 Torque Values Standard Thread
Shaft
Torx drives
size
size
M4.8
T25
M5
T25
Table 1.5 Torque Values for Thread Cutting into Metal
Shaft
Torx drives
size
size
M4
T20
M5
T25
Table 1.6 Torque Values for Thread Forming into Plastic
Class A: Clamping metal
Class B: Clamping PCA or plastic
MI70Y202
300 A Current Sensor Kit for
D1h/D3h/D5h/D6h Drives
®
VLT
FC Series FC 102, FC 103, FC 202, FC 302
Class A
Class B
Nm (in-lb)
Nm (in-lb)
1.2 (10)
0.8 (7)
2.3 (20)
1.2 (10)
3.9 (35)
2.3 (20)
9.6 (85)
3.9 (35)
19.1 (169)
9.6 (85)
37.9 (335)
–
Class A
Class B
Nm (in-lb)
Nm (in-lb)
5.7 (50)
3.1 (27)
1.7 (15)
1.7 (15)
Class A
Class B
Nm (in-lb)
Nm (in-lb)
2.8 (24)
2.8 (24)
5.1 (45)
4.0 (35)
Danfoss A/S © 07/2018 All rights reserved.
1.3.2 Removing AC Input Busbars
1
Nut (10 mm)
2
AC input busbars
3
Nuts (13 mm)
Illustration 1.2 AC Input Busbars
To remove the AC input busbars, use the following steps. The
AC input busbars can look different when the drive includes
extra input options, such as an RFI filter or mains fuses.
Illustration 1.2 shows the AC input busbars with no input
options. Illustration 1.3 shows the AC input busbars with
optional RFI filter and mains fuses.
3
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