12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Valve and Linkage Group Caterpillar


Valve and Linkage Group
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12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System [SENR9178]
HYDRAULIC SYSTEM
VALVE & LINKAGE GP
12H, 140H and 160H Motor Graders Hydraulic and Steering System Valve and Linkage Group
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Valve and Linkage Group



Illustration 1g01393916

Rear view

(6) Right valve group

(7) Blade lift control valve

(8) Wheel lean control valve

(9) Centershift control valve

(10) Articulation control valve

(11) Left valve group

(12) Blade tip control valve

(13) Circle drive control valve

(14) Sideshift control valve

Note: Some of the Motor Graders may have different equipment. The number of control valves in each valve group may vary.

(1) Torque for eight jam nuts ... 12 ± 2 N·m (105 ± 18 lb in)

Note: As required, use the following shims in order to provide the minimum end play that allows the levers to return to the NEUTRAL position.

(2) 8D-5636 Shim

Thickness ... 0.25 mm (0.010 inch)
Inside diameter ... 19.84 mm (0.781 inch)
Outside diameter ... 38.1 mm (1.50 inch)

(3) 8D-5637 Shim

Thickness ... 0.76 mm (0.030 inch)
Inside diameter ... 19.84 mm (0.781 inch)
Outside diameter ... 38.1 mm (1.50 inch)

(4) Torque for 16 bolts ... 13 ± 3 N·m (115 ± 27 lb in)

(5) Install a spacer under the clip.




Illustration 2g01393912

View A-A

(15) Torque for four bolts ... 60 ± 12 N·m (44 ± 9 lb ft)




Illustration 3g01393911

View B-B

(16) Torque for two bolts ... 60 ± 12 N·m (44 ± 9 lb ft)

Information System:

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