6-19
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IGBT output bus bar
(Step 2)
Retaining nut
(Step 2)
Retaining nut
(Step 2)
Retaining nut
(Step 4)
Intermediate SCR input bus bar
(Step 3)
Terminal
(Step 3)
Figure 6-13. Fan Assembly (1 of 2)
6.14 Fan Assembly
1. Remove input terminal mounting plate assembly
per instructions.
2. Remove 3 IGBT output bus bars by removing 6
retaining nuts (8mm), one from each end, of IGBT
output bus bars. Remove bus bars.
NOTE
Omit steps 3 and 4 for D2 units.
3. Use 4 in. (100mm) minimum extension and
remove terminal 1 of SCR/Diode module.
4. Note the color coding for each of three wires
attached to retaining studs. Ensure that correct
wire is attached to applicable stud upon
reassembling. Remove AC power lead to
intermediate SCR input bus bar by removing nut
(8mm) and remove bus bar.
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