COUPLING 7M7078 - Caterpillar

Illustration 1 g01374664 (1) Torque for oil plug ... 10 2 N m (89 18 lb in)Note: Oil plug (1) is under pressure when the system is pressurized. (2) Final installation torque ... 35 3 N m (26 2 lb ft) (3) Pressure relief valve Opening pressure of the relief valve ... 3500 kPa to 4100 kPa (508 psi to 595 psi)Sealing pressure of the relief valve ... 2900 kPa (420 psi) (4) Torque for pressure switch ... 8.0 1.5 N m (71.00 13.00 lb in)Displacement per revolution ... 154.9 cc (9.5 cubic inch)Recommended speed of compressor ... 2500 200 rpmBelt tension New belt ... 1068 111 N (240 25 lb)Used belt ... 890 44 N (200 10 lb)Note: Used belt tension is for a belt that has been operated for at least 30 minutes at the rated speed. Operate the air conditioner for 30 minutes. Then, adjust the tension of the drive belt to 890 44 N (200 10 lb).R-134a Refrigerant
DuPont ... SUVA TRANS A/C HFC134aICI ... KLEA 134aRefrigerant Oil
Oil capacity ... 300 mL (10 oz)Cat 4C-2959 Air Conditioner Lubricant (PAG)Magnetic Clutch
Coil Resistance (24 DCV) for clutch ... 17.6 0.6 ohms Minimum voltage for engagement ... 16 DCVMaximum current ... 1.42 amp