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Figure 4-219 Motor Bus Bar Removal - PPS Feedthroughs
Figure 4-220 Motor Bus Bar Removal - Stainless-Steel Feedthroughs
4.23.5.2 Motor Bus Bar Installation
1. Place the motor bus bars in their correct locations; they are designed to align to individual bolt
patterns and should not be forced.
2. Loosely install the three (3) M8x70 fasteners that secure the motor bus bars to the inverter output
through the Copper Tubes. Continue to Step 3 if the compressor contains PPS High-Power
Feedthroughs. Continue to Step 4 if the compressor contains Stainless-Steel High-Power Feedthroughs.
3. Install the three (3) M10x16 fasteners and lockwashers that secure the motor bus bars to the PPS High-
Power Feedthroughs and torque to14 Nm (10 ft.lb.). Be careful not to over tighten the bolts to the
power feedthroughs. Continue to Step 5.
4. Install the three (3) M10 nuts and lockwashers that secure the motor bus bars to the Stainless-Steel
High-Power Feedthroughs and torque to 15.5 Nm (11.5 ft.lb.). Be careful not to over tighten the bolts to
the power feedthroughs. Continue to Step 5.
• • • CAUTION • • •
While torqueing the High-Power Feedthrough Nuts, it is important to hold the inner nut with a wrench. Failure to do so could place an
excessive load on the feedthrough causing internal damage. Also, the feedthrough itself could move which could allow it to loosen or be
over torqued.
M-SV-001-EN Rev. H-1/23/2023 Page 197 of 294
Содержание Turbocor TT Series
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