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HVAC Service Specifications

HVAC SERVICE SPECIFICATIONS

Application Specification
Compressor Type Delphi V-7
Compressor Belt Tension (1)
System Oil Capacity (2)
Total Capacity 9 ozs.
With Accumulator Replacement (3) 2 ozs.
With Compressor Replacement (4) (5) 2 ozs.
With Condenser Replacement (5) 2 ozs.
With Evaporator Replacement (5) 2 ozs.
Refrigerant (R-134a) Capacity 1.75 lbs.
System Operating Pressures (6)
Low Side 32-40 psi (2.25-2.8 kg/cm 2 )
High Side 240-281 psi (16.9-19.8 kg/cm 2 )
(1) Belt tension is adjusted by automatic belt tensioner.
(2) Use PAG (Polyalkylene Glycol) Refrigerant Oil (GM P/N 12378526)
(3) Add PAG oil equal to amount of oil drained from accumulator plus specified additional amount.
(4) Compressor is shipped dry.
(5) If more than specified amount of PAG oil was drained from a component, add equal amount drained.
(6) With engine RPM at 1500, ambient temperature at 80-90°F (27-32°C) and relative humidity at 40 percent.
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