50 of 165 M-SV-VT-001-EN Rev. A
Compressor Components
3.2.9.1 Removal and
Installation
Motor Cooling Exit Flange Removal:
1. Isolate the Compressor power as described in the “Electrical Isolation of the Compressor/VFD”
section of this manual.
2. Isolate the Compressor and liquid line to the Motor Cooling Exit and recover the refrigerant.
• • • CAUTION • • •
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.
3.2.9.2 Torque
Specications
Description Nm Ft.Lb. In.Lb.
Flange, SHCS, M14x40 (Revision A) 70 52 620
Flange, SHCS, M12x35 (Revisions B and later) 70 52 620
Table 12 - Motor Cooling
Exit Flange Torque
Specications
NOTE
The motor cooling exit shipping ange is not intended to be used as the motor cooling exit ange
during Compressor operation. This must be replaced with a ange that has a 1 1/8” connection for
proper cooling to take place.
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