8.2.5 Lower Capacitor Bank Assembly
1.
Disconnect cables from gate drive card
connectors MK100, MK102, MK103, MK104,
MK106, and, if unit has a brake option MK105.
2.
Remove six electrical connection nuts (8 mm)
securing capacitor bank assembly. These nuts are
recessed in the gap between the upper and
lower capacitor banks.
3.
Remove four retaining nuts (10 mm) securing
capacitor bank assembly.
4.
NOTE: Capacitor bank assembly may weigh up to
9 kg (20 lbs). Remove capacitor bank assembly.
Reassembly is done in reverse order.
1
2
3
3
4
4
5
6
130BX264.10
1
Upper capacitor bank assembly
2
Inverter power card
3
8 mm electrical connection nut (step 2)
4
10 mm retaining nut (step 3)
5
Lower capacitor bank assembly
6
IGBT gate driver card (step 1)
8.2.6 High Frequency Board
1.
Remove upper capacitor bank assembly in
accordance with instructions.
2.
Disconnect cable from connector MK100 on high
frequency board.
3.
Remove two screws (T25) from high frequency
board.
4.
Remove one nut (8 mm) from high frequency
board standoff and remove board.
Reassembly is done in reverse order.
1
2
3
130BX258.10
1
T25 screw (step 3)
2
High frequency board
3
8 mm retaining nut (step 4)
Disassembly/Assembly - Inve...
High Power Service Manual for Modular F Frame Drives
116
MG90K202 - VLT
®
is a registered Danfoss trademark
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