FORK 0316393 - Caterpillar

Illustration 1 g01028480
The rotation of the shaft is clockwise when the rotation of the shaft is viewed from the drive end.Note: The following specifications are for a bench test. The specifications for a pump that is tested on the machine may be different.When you perform the test use SAE 10W oil at 65°C (150°F).Test at full speed: Output ... 136.0 L/min (35.93 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 2000 rpm Output ... 135.0 L/min (35.66 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 2000 rpmTest at half speed: Output ... 68.0 L/min (17.96 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 1000 rpm Output ... 66.0 L/min (17.44 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 1000 rpm (1) Pump control valve for the supplemental steering pump (2) Torque ... 11.0 1.3 N m (97.36 11.51 lb in)Note: Apply 9S-3263 Thread Lock to the threads of the pin prior to installation. (3) 3G-1223 Spring Test length ... 76.2 mm (3.00 inch) Test force ... 110 N (25 lb) Free length after test ... 95.5 mm (3.76 inch) Outside diameter ... 23.0 mm (.91 inch) (4) Torque for four bolts ... 12 1 N m (106 9 lb in) (5) Torque for four bolts ... 51 3 N m (38 2 lb ft) (6) Press the bearing into the plate until you achieve dimension (A). ... 1.0 0.4 mm (0.04 0.02 inch)Note: The bearing must be installed with the numbered end outward. (7) Torque for two bolts ... 51 3 N m (38 2 lb ft) (8) Press the bearing into the housing until you achieve dimension (B). ... 1.98 0.25 mm (0.078 0.010 inch)Note: The bearing must be installed with the numbered end outward. 4T-4100 Pump Control Valve
Illustration 2 g00722364
Refer to Testing and Adjusting, "Pump Control Valve (Secondary Steering ) - Test and Adjust" for the margin pressure of the pump control valve.Refer to Testing and Adjusting, "Pump Control Valve (Secondary Steering ) - Test and Adjust" for the cutoff pressure of the pump control valve. (1) 3G-1227 Spring Test length ... 41.28 mm (1.625 inch) Test force ... 1240 N (280 lb) Free length after test ... 45.62 mm (1.796 inch) Outside diameter ... 30.99 mm (1.220 inch) (2) 4T-6074 Spring Test length ... 26.2 mm (1.03 inch) Test force ... 180 18 N (40 4 lb) Free length after test ... 29.7 mm (1.17 inch) Outside diameter ... 11.6 mm (0.45 inch)As required, use shims in order to attain proper pressure settings. (3) 4T-6073 Shim thickness ... 0.13 mm (.005 inch) 4T-6071 Shim thickness ... 0.25 mm (0.010 inch) (4) 4T-6072 Shim thickness ... 0.89 mm (0.035 inch)Note: Install shims (3) between shim (4) and pivot (5) . (6) 3G-1226 Shim thickness ... 1.5 mm (0.06 inch) (7) 3G-1231 Shim thickness ... 0.13