Challenger 65E, Challenger 75E, Challenger 85E and Challenger 95E Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Caterpillar

Illustration 1	g00130656

(1) 9T-9429 Spring

Test length ... 33.25 mm (1.309 inch)

Test force ... 578 ± 46 N (130 ± 10 lb)

Length after test ... 39.4 mm (1.55 inch)

Outside diameter ... 12.46 mm (0.491 inch)

(2) 9T-1819 Relief Valve Group

Pressure setting ... 20700 ± 300 kPa (3000 ± 45 psi)

Flow ... 20 ± 2 L/min (5.3 ± 0.5 US gpm)

Torque for valve ... 90 ± 5 N·m (66 ± 4 lb ft)

Note: In order to change the relief valve pressure setting, loosen nut (3). Turn the retainer clockwise in order to increase the pressure setting. Turn the retainer counterclockwise in order to decrease the pressure setting. Turn the retainer by one revolution in order to change the pressure setting by 6450 kPa (935 psi).

(3) Torque for the 3/4 inch nut on the retainer ... 18 ± 2 N·m (159 ± 18 lb in)

(4) 9T-2276 Spring (Inner Spring)

Test length ... 26.6 mm (1.05 inch)

Test force ... 0.0 N (0 lb)

Length after test ... 26.6 mm (1.05 inch)

Outside diameter ... 10.60 mm (0.417 inch)

(5) 9T-2277 Spring (Outer Spring)

Test length ... 24.3 mm (0.96 inch)

Test force ... 67.6 ± 5.0 N (15.20 ± 1.12 lb)

Length after test ... 29.5 mm (1.16 inch)

Outside diameter ... 21.3 mm (0.84 inch)

(6) Torque for 3/4 inch nut on the adjuster ... 135 ± 14 N·m (100 ± 10 lb ft)

(7) Torque for 3/8 inch nut on the setscrew ... 27 ± 7 N·m (20 ± 5 lb ft)

(8) 9T-1676 Spring

Test length ... 94 mm (3.7 inch)

Test force ... 253.7 ± 20.3 N (57.03 ± 4.56 lb)

Length after test ... 115.2 mm (4.54 inch)

Outside diameter ... 16 mm (0.6 inch)

(9) Torque for 3/8 inch nut on the setscrew ... 27 ± 7 N·m (20 ± 5 lb ft)

(A) Dimension for correct adjustment of manual override ... 44.0 ± 2.0 mm (1.73 ± 0.079 inch)