14 heatsink fan assembly – GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) User Manual
Page 122
7.2.14 Heatsink Fan Assembly
1.
Remove the input terminal mounting plate assembly per instructions.
2.
Remove the 3 IGBT output bus bars (see Illustration 7-19) by removing the 6 retaining nuts (8 mm), one from each end, of the IGBT output bus bars.
Remove the bus bars.
NB!
Omit steps 3 and 4 for 42/44 units.
3.
Use a 100 mm (4 in) minimum extension and remove terminal 1 from the SCR/diode module.
4.
Note the colour coding for each of the three wires attached to the retaining studs. Ensure that the correct wire is attached to the applicable stud during
reassembly. Remove the AC power lead to the intermediate SCR input bus bar by removing the nut 8 mm) and remove the bus bar.
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130BX88.10
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Illustration 7.1: Fan Assembly (1 of 2)
1
Terminal (Step 3)
2
Intermediate SCR input bus bar (Step 3)
3
Retaining nut (Step 4)
4
Retaining nut (Step 2)
5
IGBT output bus bar (Step 2)
6
Retaining nut (Step 2)
AF-650 GP and AF-600 FP High Power Service Manual
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