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


Valve and Linkage Group

Usage:

143H 1AL



图 1g01393916

后视图

(6) 右侧阀总成

(7) 铲刀提升控制阀

(8) 车轮倾斜控制阀

(9) 中心移动架控制阀

(10) 铰接控制阀

(11) 左侧阀总成

(12) 铲刀俯角控制阀

(13) 转盘驱动控制阀

(14) 侧移控制阀

注: 有些平地机可能有不同的设备。 每个阀总成中的控制阀数目会有所不同。

(1) 8 个锁紧螺母的扭矩 ... 12 ± 2 N·m (105 ± 18 lb in)

注: 根据需要,利用下列垫片提供最小轴向间隙,从而使操纵杆能够返回空档位置。

(2) 8D-5636 垫片

厚度 ... 0.25 mm (0.010 in)
内径 ... 19.84 mm (0.781 in)
外径 ... 38.1 mm (1.50 in)

(3) 8D-5637 垫片

厚度 ... 0.76 mm (0.030 in)
内径 ... 19.84 mm (0.781 in)
外径 ... 38.1 mm (1.50 in)

(4) 16 只螺栓的扭矩 ... 13 ± 3 N·m (115 ± 27 lb in)

(5) 将隔套安装在夹子下。




图 2g01393912

A-A 视图

(15) 4 只螺栓的扭矩 ... 60 ± 12 N·m (44 ± 9 lb ft)




图 3g01393911

B-B 视图

(16) 2 只螺栓的扭矩 ... 60 ± 12 N·m (44 ± 9 lb ft)

Caterpillar Information System:

12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Operator Console
561M Pipelayer Transmission - Power Shift
IT14G Integrated Toolcarrier Backup Alarm - Test
561M Pipelayer Transmission Hydraulic Control - Power Shift
928G Wheel Loader Refill Capacities
561M Pipelayer Battery, Battery Cable or Battery Disconnect Switch - Replace
561M Pipelayer Battery - Inspect
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Battery - Recycle
IT62G Integrated Toolcarrier and 950G and 962G Wheel Loaders Engine Oil Level - Check
446B Backhoe Loader Obtain S·O·S Samples
IT62G Integrated Toolcarrier and 950G and 962G Wheel Loaders Engine Air Filter Secondary Element - Replace
561M Pipelayer Engine Valve Lash and Fuel Injector Timing - Check
924Gz Wheel Loader Braking System - Test
416C, 426C, 428C, 436C and 438C Backhoe Loaders Bucket Cutting Edges - Inspect/Replace
14H and 16H Motor Graders Hydraulic and Steering System Accumulator (Steering)
928G Wheel Loader Hydraulic Lever Lock Control
120H and 135H Motor Graders Hydraulic and Steering System Blade Lift Control Valve
IT14G Integrated Toolcarrier Bucket Tips - Inspect/Replace
IT14G Integrated Toolcarrier Bucket Wear Plates - Inspect/Replace
120H and 135H Motor Graders Power Train Magnetic Screen (Transmission)
120H and 135H Motor Graders Power Train Gear Pump (Transmission Charging and Scavenge)
416C, 426C, 428C, 436C and 438C Backhoe Loaders Cooling System Coolant (ELC) - Change
416C, 426C, 428C, 436C and 438C Backhoe Loaders Cooling System Coolant Extender (ELC) - Add
12H, 140H, 143H, 160H and 163H Motor Graders Power Train Oil Filter (Power Train)
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