Danfoss Turbocor TT Series, Service Manual

Page: 79 / 294

4. Carefully line up the Interstage Pipe and insert a fastener into each flange.
5. Install the remaining two (2) fasteners finger tight.
6. Torque all four (4) M10x40 fasteners evenly to 32 Nm (24 ft.lb.).
7. Obtain a new O-ring for the economizer port and lubricate with O-lube.
8. Install the O-ring to the economizer port.
9. Connect the Economizer flange and torque the M10x30 fasteners to 32 Nm (24 ft.lb.).
10. Lubricate the P/T Sensor O-ring and install into the Interstage Pipe. Torque to 10 Nm (7ft.lb.).
11. Connect the Sensor Harness.
12. Leak test and evacuate compressor in accordance with standard industry practices.
NOTE
A magnet may need to be placed on the motor cooling solenoids if evacuation cannot be performed directly to the liquid line.
13. Return the compressor to normal operation.
4.7.2 Interstage Pipe Torque Specifications
Table 4-12 Interstage Pipe Torque Specifications
Description Nm Ft.Lb. In.Lb.
Interstage Pipe Fastener, M10x40 32 24 283
Economizer Flange Fastener, M10x30 32 24 283
P/T Sensor 10 7 89
M-SV-001-EN Rev. H-1/23/2023 Page 79 of 294