Removal And Installation; Torque Specifications; Table 12 - Motor Cooling Exit Flange Torque Specifications - Danfoss Turbocor VTT Series Service Manual

3.2.9.1 Removal and
Installation
3.2.9.2 Torque
Specifications
Table 12 - Motor Cooling
Exit Flange Torque
Specifications
50 of 165
M-SV-VT-001-EN Rev. A
Compressor Components
Motor Cooling Exit Flange Removal:
1. Isolate the Compressor power as described in the
section of this manual.
2. Isolate the Compressor and liquid line to the Motor Cooling Exit and recover the refrigerant.
Refrigerant may remain in the liquid line; ensure full recovery from high and low side of valve is
complete.
3. Remove the flange screws that attach the Motor Cooling Exit to the Compressor housing.
4. Remove the O-ring from Compressor housing.
Motor Cooling Exit Flange Installation:
1. Verify all contact surfaces are clean and dry. If not, clean with a lint-free cloth.
2. Apply Super-O-Lube to the new O-ring and then fit it into the O-ring groove on the Compressor
housing.
3. Install the Motor Cooling Exit Flange (not the shipping flange) and tighten the flange screws
evenly in a crisscross pattern (Revision A only) and torque to specification.
4. Leak test the Compressor to the appropriate pressure and industry standards.
5. Evacuate the Compressor to the appropriate pressure and industry accepted standards.
6. Charge the Compressor with refrigerant.
7. Restore power to the Compressor.
The motor cooling exit shipping flange is not intended to be used as the motor cooling exit flange
during Compressor operation. This must be replaced with a flange that has a 1 1/8" connection for
proper cooling to take place.
Flange, SHCS, M14x40 (Revision A)
Flange, SHCS, M12x35 (Revisions B and later)
"Electrical Isolation of the Compressor/VFD"
• • • CAUTION • • •
NOTE
Description Nm Ft.Lb. In.Lb.
70 52 620
70 52 620