194 of 282
M-SV-001-EN Rev. G
Refer to "Figure 4-246 Motor Bus Bar Removal - PPS Feedthroughs" and "Figure 4-247 Motor
Bus Bar Removal - Stainless-Steel Feedthroughs".
• • • CAUTION • • •
While removing the M10 nuts for the Stainless-Steel High-Power Feedthrough, it is important to hold the inner nut with a wrench. Fail-
ure 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.
Figure 4-246 Motor Bus Bar Removal - PPS Feedthroughs
Figure 4-247 Motor Bus Bar Removal - Stainless-Steel Feedthroughs
4.24.5.2 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.
Motor Bus Bar
to Feedthrough
Fastener, M10x16
(3 places)
Motor Bus Bar to
Inverter Fastener,
M8x70 Fastener
(3 places)
Motor Bus Bar to
Feedthrough nut, M10
(3 places)
Motor Bus Bar to
Inverter Fastener,
M8x70
(3 places)
Summary of Contents for Turbocor TTS Series
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