D350E and D400E Articulated Trucks Steering, Suspension, and Body Hoist Hydraulic Systems Caterpillar


Steering Control Valve

Usage:

D400E 2YR



Illustration 1g00650035

(1) 4J-8224 Shim ... 0.25 mm (0.010 inch)

Add one shim in order to increase the time for the left steer. This will also decrease the time for the right steer. The change in the time will be a period of 0.1 second.

(2) 5J-4776 Shim ... 0.12 mm (0.005 inch)

Add one shim in order to increase the time for the left steer. This will also decrease the time for the right steer. The change in the time will be a period of 0.05 second.

(3) The thickness of 4T-2607 Spacer ... 3 ± .25 mm (0.118 ± 0.010 inch)

(4) 9J-5714 Spring

Test force ... 56.2 ± 6 N (12.63 ± 1.35 lb)
Test length ... 40.68 mm (1.602 inch)
Free length after test ... 55.4 mm (2.18 inch)
Outside diameter ... 36.58 mm (1.440 inch)

(5) Lubricate the seal with clean steering system oil.

(6) Lubricate the seal with clean steering system oil.

(7) 9T-6633 Shim ... 0.25 mm (0.010 inch)

Add one shim in order to increase the relief setting by 340 kPa (49 psi).

(8) 3G-7402 Spring

Test force ... 453.1 ± 36.2 N·m (334.19 ± 26.70 lb ft)
Test length ... 35.6 mm (1.40 inch)
Free length after test ... 44.4 mm (1.75 inch)
Outside diameter ... 12.5 mm (0.49 inch)

(9) 4J-7490 Spring

Test force ... 59 ± 3 N (13.3 ± .7 lb)
Test length ... 41.4 mm (1.63 inch)
Free length after test ... 51 mm (2 inch)
Outside diameter ... 15 mm (0.6 inch)

(10) 2J-6088 Spring

Test force ... 98.1 ± 4.9 N (22.05 ± 1.10 lb)
Test length ... 38.76 mm (1.526 inch)
Free length after test ... 59.54 mm (2.344 inch)
Outside diameter ... 20.62 mm (0.812 inch)

(11) 4J-6806 Shim ... 1.22 mm (0.048 inch)

Add one shim in order to decrease time by 0.1 seconds.

(12) Lower the temperature of the seat before assembly.

(13) 9H-2367 Spring

Test force ... 1.5 ± 0.1 N (.33 ± .03 lb)
Test length ... 23.9 mm (0.94 inch)
Free length after test ... 30 mm (1.16 inch)
Outside diameter ... 8.6 mm (0.34 inch)

(14) Orient the stem so that the bleed slots are positioned, as shown. This will minimize the flow variations in the cylinder.

Relief setting for steering pressure ... 21000 ± 640 kPa (3046 ± 93 psi)

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