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M-SV-VT-001-EN Rev. A
Compressor Components
Figure 56 - Motor Power
Feed Through Exploded View
O-ring
Feed Through Screws,
Torque to 10 Nm
(89 in.lb.) (4 places)
Motor Power Feed Through Installation:
1. Apply Super-O-Lube to the new O-ring and then fit it into the O-ring groove on the Motor Power
Feed Through.
2. Insert the Motor Power Feed Through to the Motor Tower.
3. Install the M6 screws and lock washers that hold the Motor Power Feed Throughs to the Motor
Tower and finger-tighten.
4. Torque the M6 screws in a crisscross pattern in two (2) stages.
• Stage 1: Tighten to 5 Nm (44 in.lb.)
• Stage 2: Tighten to a final torque of 10 Nm (89 in.lb.)
5. Position the motor cables so they do not touch each other and that they do not touch the
Compressor housing.
6. Carefully secure internal fasteners and motor cables to Motor Power Feed Throughs and torque
to specification.
7. Perform a final verification that the motor cables are not touching each other or the Compressor
housing.
8. Ensure no parts, tools, or debris are left in Motor Tower.
9. Ensure the sealing surface of the plate is clean and free of damage or debris.
10. Clean the O-ring groove.
11. Apply Super-O-Lube to the new O-ring and then fit it into the O-ring groove on the Motor Tower.
12. Place the Tower Plate over Motor Tower with the writing “OUTSIDE” facing away from the tower.
13. Finger-tighten the 10 M6 screws.
14. Tighten the 10 M6 screws in a crisscross pattern in two (2) stages. Refer to Figure 53 (Tower Plate
Torque Pattern).
• Stage 1: Tighten to 5 Nm (44 in.lb.)
• Stage 2: Tighten to a final torque of 10 Nm (88 in.lb.)
15. Install the Motor Terminal Block assembly to the housing and torque to specification.
16. Secure the motor bus bar fasteners to the Motor Power Feed Though screws and torque to
specification.
17. Connect the VFD motor cables to the Motor Bus Bars and torque to specification.
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