RADIATOR GP 9Y5158 - Caterpillar

(1) 104-6183 Springs (outer) Length under test force ... 51.00 mm (2.008 inch)Test force ... 1160 92 N (260 21 lb)Free length after test ... 63.00 mm (2.480 inch)Outside diameter ... 51.53 mm (2.029 inch)(2) 3G-8991 Springs (inner) Length under test force ... 43.37 mm (1.708 inch)Test force ... 111 6 N (25 1 lb)Free length after test ... 75.05 mm (2.955 inch)Outside diameter ... 25.79 mm (1.015 inch)(3) 7S-8491 Springs for load check valves Length under test force ... 25.4 mm (1.00 inch)Test force ... 19.17 1.56 N (4.309 .351 lb)Free length after test ... 41.1 mm (1.62 inch)Outside diameter ... 30.18 mm (1.188 inch) (4) 1J-8960 Spring for the make-up valve Length under test force ... 64.92 mm (2.556 inch)Test force ... 12.4 1.0 N (2.8 .2 lb)Free length after test ... 82.6 mm (3.25 inch)Outside diameter ... 28.58 mm (1.125 inch)(5), (6) Torque to install the line relief valves ... 65 5 N m (48 4 lb ft)(7) Torque to install the main relief valve ... 110 10 N m (80 7 lb ft) (8) BoltsTo tighten the main control valve mounting bolts, use the procedure that follows:1. Tighten the three bolts to the following torque ... 40 7 N m (30 5 lb ft)2. Tighten the three bolts again to the following torque ... 105 20 N m (75 15 lb ft)Spool Centering Springs for Lift and Tilt Control Valves
(1) 1U-0470 Shim Thickness of one shim ... 0.178 mm (.0070 inch) 1U-0471 ShimThickness of one shim ... 0.508 mm (.0200 inch)(2) Spring(3) Retainers A 1U-0471 Shim (1) must be in contact with spring (2). Use the required number of shims to achieve a torque of 290 10 N m (210 7 lb ft) with the retainers and springs at 75.00 0.10 mm (2.953 .004 inch).