SUPPORT 1131196 - Caterpillar

Illustration 1 g01521192
Typical view of the 3E-1908 Refrigerant Compressor Gp
(1) Installation torque for pressure switch ... 8.0 1.5 N m (71 13 lb in) (2) Pressure relief valve Opening pressure of pressure relief valve ... 3800 300 kPa (551 44 psi)Sealing pressure of pressure relief valve ... 2900 kPa (421 psi) (3) Torque for oil plug ... 10 2 N m (89 18 lb in)Note: Oil plug (3) is under pressure when the system is pressurized. (4) Final installation torque ... 35 3 N m (26 2 lb ft) (5) V-belt tension New V-belt ... 535 22 N (120 5 lb)Used V-belt ... 400 44 N (90 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 400 N (90 lb).Note: Use a Caterpillar 144-0235 Belt Tension Gauge.Displacement per revolution ... 154.9 cc (9.5 cubic inch)Recommended Compressor RPM ... 2500 200 rpmRefrigerant OilOil capacity ... 300 mL (10 oz)Note: Refer to Systems Operation, "Identifying the Air Conditioning System".Poly Alkaline Glycol Oil (PAG)Cat 4C-2959 Air Conditioner Lubricant ( 250 mL (8.5 oz))R-134a RefrigerantDuPont ... SUVA TRANS A/C HFC134aICI ... KLEA 134aMagnetic Clutch Clutch 12 DCV coil resistance (BK(Black) wire) ... 3.5 0.15 ohms Type of connector ... DT ConnectorMinimum voltage for engagement of clutch ... 7.5 DCVMaximum Current ... 3.58 amp