GE Industrial Solutions AF-600 FP High Power Unit Sizes 6x - Manual (Page 117)

8.2.8 Current Sensor
NOTE: There are two types of current sensors, 500A or 1000A, depending on the size of the unit. Removal for both are the same except for an additional final step
for the 1000A sensor.
1. Remove lower capacitor bank assembly in accordance with procedure.
2. Remove six screws (T30) connecting the bus bar to the IGBT module at IGBT end of bus bar.
3. Remove three screws (7mm) on standoffs from IGBT end of bus bar.
4. Remove one screw (T40) from opposite end of bus bar attached to output bus bar.
5. Unplug wire from current sensor (not shown).
6. Remove two screws (7mm) attaching base of current sensor to back panel.
7. Remove bus bar and slide current sensor free from bus bar.
8. For 1000A units, remove mounting bracket from back of current sensor by removing four screws (8mm). NOTE: Retain mounting bracket and screws for
reassembly of replacement part.
Reassembly is done in reverse order.
NB!
The six screws (T30) connecting the bus bar to the IGBT module should be
tightened to 4 Nm (35 in lbs).
1
2
3
4
5
1 Current sensor 4 T40 screw (step 4)
2 T30 screw (step 2) 5 Mounting bracket (1000A sensor) (step 8)
3 7mm screw (step 3)
High Power Service Manual for Unit Sizes 6x
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