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M-SV-001-EN Rev. G
9. Remove the three (3) high-power feedthroughs using a 36mm wrench.
10. Remove the three (3) high-power feedthrough O-rings from the Main housing if they did not
come out with the old feedthroughs.
11. Inspect the sealing area for any residue or debris and clean the threads with a lint-free cloth if
needed.
4.24.5.8 High-Power Feedthrough Installation
1. Clean the feedthrough mating surfaces with a lint-free cloth. Inspect the sealing area for any
damage.
2. Verify that the old high-power feedthrough O-rings have been removed.
3. Lubricate and install new O-rings onto the High-Power Feedthroughs.
4. Finger-tighten the High-Power Feedthroughs into the Main housing and then torque to
specification. Continue to Step 5 for the PPS High-Power Feedthroughs. Continue to Step 7 for
the Stainless-Steel High-Power Feedthroughs.
5. Secure the ring terminals to the PPS High-Power Feedthroughs using the M10x16 fasteners
from the inside.
6. Once the M10x16 fasteners are finger tight, torque them to 14 Nm (10 ft.lb). Continue to Step
9.
7. Secure the ring terminals to the Stainless-Steel High-Power Feedthroughs using the M10 nuts
and washers from the inside.
8. Once the nuts are finger tight, torque them to 15.5 Nm (11.5 ft.lb). Continue to Step 9.
9. Install wires on the inner thermistor terminals and then install the Cover Plate. Refer to
"4.24.5.6 Motor Cover Plate Installation" on page 196.
10. Leak test and evacuate in accordance with standard industry practices.
• • • CAUTION • • •
Hold the high-power feedthrough using a 36mm wrench while applying torque to the M10 fasteners to prevent loosening or over
torqueing the feedthrough assembly.
• • • 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.
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