RING 4F7042 - Caterpillar

Opening pressure ... 2800 50 psi(196.8 3.5 kg/cm2) (19 306 173 kPa)(1) 3J8880 Spring (outer): Length under test force ... 2.425 in.(61.60 mm)Test force ... 70.2 3.5 lb.(32.7 1.6 kg)Free length after test ... 2.98 in.(75.7 mm)Outside diameter ... .656 in.(16.66 mm)(2) Torque for bolts (two) ... 27 lb. ft.(37 N m)(3) Torque for bolts (two) ... 27 lb. ft.(37 N m)(4) 3J8879 Spring (inner): Length under test force ... 2.612 in.(66.34 mm)Test force ... 31.7 1.6 lb.(14.4 0.7 kg)Free length after test ... 3.02 in.(76.7 mm)Outside diameter ... .384 in.(9.75 mm)8J6089 Valve (Single Sensing) 11K6203-UP
Pressure setting ... 2275 25 psi(159.93 1.76 kg/cm2) (15 686 173 kPa) at an oil flow of ... 10 1 U.S. gpm(37.8 3.8 litre/min)(1) 5J9100 Shim, thickness ... .005 in.(0.13 mm) Pressure change for one shim ... 25 psi(1.76 kg/cm2) (173 kPa)5J9101 Shim, thickness ... .010(0.25 mm)Pressure change for one shim ... 50 psi(3.52 kg/cm2) (345 kPa)(2) Torque to install valve ... 50 3 lb. ft.(68 4 N m)(3) Torque for plug ... 100 5 lb. ft.(136 7 N m)(4) 5J9104 Spring (inner): Length under test force ... 2.06 in.(52.32 mm)Test force ... 47.3 3.8 lb.(21.45 1.72 kg)Free length after test ... 2.56 in.(65.02 mm)Outside diameter ... .45 in.(11.43 mm)(5) 5J9103 Spring (outer): Length under test force ... 2.06 in.(52.32 mm)Test force ... 157.3 12.6 lb.(71.35 5.71 kg)Free length after test ... 2.51 in.(63.75 mm)Outside diameter ... .79 in.(20.07 mm)