54 of 165
M-SV-VT-001-EN Rev. A
Figure 49 - Mains Imput
Bracket (Revisions C and
Later)
Compressor Components
3.3.2.1 Removal and
Installation
Mains Input Bracket Removal:
1. Isolate the Compressor power as described in the
“Electrical Isolation of the Compressor/VFD”
section of this manual.
2. Remove the Motor Power Cover.
3. Remove the three (3) M10 nuts, flat washers, and lock washers off the top of the copper spacers.
4. Remove the six (6) motor power cables (two (2) cables per phase). Protect/isolate the cable
ends.
5. Remove the conduit locknut(s) and remove the conduit and cables away from the Mains Input
Bracket.
6. Remove the two (2) or four (4) screws that hold the Mains Input Bracket in place.
7. Remove the Mains Input Bracket.
Mains Input Bracket Installation:
1. Place the Mains Input Bracket into position.
2. Install the screws to secure the Mains Input Bracket and torque to specification.
3. Insert the cables through the Mains Input Bracket and push the conduit through, exposing
enough threads to attach the locknut(s).
4. Install the locknut(s).
5. Connect the six (6) motor power cables (two (2) cables per phase).
6. Install the three (3) M10 nuts, flat washers, and lock washers on the studs above the copper
spacers and power cables and torque to specification.
7. Install the Motor Power Cover.
8. Restore power to the compressor.
3.3.2.2 Torque
Specifications
Description
Nm
Ft.Lb.
In.Lb.
Power Cover, SHCS, M5x16
6
5
53
Mains Input Bracket, SHCS, M8x30 (Revision A)
10
7
89
Mains Input Bracket, SHCS, M6x20 (Revisions B and Later)
10
7
89
Power Cable Nut, Brass M10x1.5
10
8
89
Table 15 - Mains
Input Bracket Torque
Specifications
Torque to 10
Nm (7 ft.lb.)
(4 places)
Summary of Contents for Turbocor VTT Series
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