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Lotus Service Notes Section PL Page 14 Refrigerant Pipework Fixing Torques Refrigerant Pipework 'O' Rings Key Description Qty Thread Pitch Torque 1 Compressor to engine 3 M8 35 Nm 2 A.C. hoses to compressor 2 M6 10 Nm 3 Bulkhead connector, high pressure 2 3/4 - 16 UNF 1.6 25-30 Nm 4 Bulkhead connector, low pressure 2 1 1/16 - 14 UNS 1.8 35-40 Nm 5 High pressure blow off valve 1 3/8 - 24 UNF 1.1 10-13 Nm 6 High pressure pipe to condenser 1 3/4 - 16 UNF 1.6 25-30 Nm 7 Liquid line to condenser 1 5/8 - 18 UNF 1.4 20-25 Nm 8 Receiver-drier inlet/outlet pipes 2 5/8 - 18 UNF 1.4 20-25 Nm 9 Trinary switch to pipe 1 7/16 - 20 UNF 1.27 15-20 Nm 10 Clamp plate, pipes to expansion valve 1 M6 1 7-9 Nm # Use refrigeration oil only, smear on "o" rings and threads prior to assembly (Gloves should be worn when handling refrigeration oil - see data sheet) 10 F 9 C E 1 4 D 2 8 2 3 3 7 4 5 C E 6 p75b Key Description Size Part Number A Suction line to compressor 18mm o.d. A120P6002H B High pressure line to compressor 15 mm o.d. A120P6001H C Suction line bulkhead connectors and expansion valve to 17mm i.d. A082P6081F D High press. line bulkhead connectors, cond. inlet, exp. valve to 11mm i.d. A082P6079F E High pressure valve, condenser outlet, rec. drier, inlet pipe to 7.5mm i.d. A082P6078F F Evaporator to expansion valve 13.5mm i.d. A082P6080F |