MASTER CYL 6R1418 - Caterpillar

(1) Relief valve: Pressure setting ... 4100 200 kPa (595 30 psi) At a flow of ... 23 liter/min (6.1 U.S. gpm)At a temperature of ... 49 to 66°C (120 to 150°F)(2) Shims for relief valve: 5J1036 Shim thickness ... 0.792 mm (.031 in.)One shim will change the relief pressure by ... 440 kPa (64 psi)6J3993 Shim thickness ... 0.254 mm (.010 in.)One shim will change the relief pressure by ... 145 kPa (21 psi)5J2721 Shim thickness ... 0.127 mm (.005 in.)One shim will change the relief pressure by ... 70 kPa (10 psi)(3) 5J916 Spring for relief valve: Color code ... yellow stripeLength under test force ... 48.26 mm (1.90 in.)Test force ... 415 33 N (93 7.4 lb.)Free length after test ... 61.72 mm (2.43 in.)Outside diameter ... 14.27 mm (.562 in.)(4) 1K4066 Spring for valve spool: Length under test force ... 25 mm (1.0 in.)Test force ... 180 to 220 N (40 to 50 lb.)Free length after test ... 38.1 mm (1.5 in.)Outside diameter ... 11.13 mm (.438 in.)(5) 9N4049 Spring for check valve: Length under test force ... 21.84 mm (.860 in.)Test force ... 10.73 0.53 N (2.41 .12 lb.)Free length after test ... 38.1 mm (1.5 in.)Outside diameter ... 6.096 mm (.240 in.)