120H and 135H Motor Graders Hydraulic and Steering System Caterpillar


Relief Valve (Steering)

Usage:

120H 124



图 1g01392828

安全阀压力设定 ... 17400 ± 300 kPa (2500 ± 44 psi)

油的流量 ... 6.7 ± 0.2 L/min (1.8 ± 0.1 US gpm)

(1) 使用密封的润滑剂稍微润滑 O 形密封圈。

(2) 使用密封的润滑剂稍微润滑备用环。

(3) 座圈组件每转一圈的压力变化 ... 5300 kPa (775 psi)

(4) 阀座用的扭矩 ... 22 ± 2 N·m (195 ± 18 lb in)

(5) 4T-1700 弹簧

在试验力下的长度 ... 35 mm (1.4")
试验力 ... 53.3 ± 4.3 N (12 ± 1 lb)
试验后的自由长度 ... 38.25 mm (1.506")
外径 ... 7.94 mm (0.313")

注: 拧紧螺母 (6) 时,固定住座圈组件 (3) 。

(6) 螺母的扭矩 ... 35 ± 5 N·m (310 ± 45 lb in)

Caterpillar Information System:

120H and 135H Motor Graders Hydraulic and Steering System Steering Control Group
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Blade Tip)
120H and 135H Motor Graders Hydraulic and Steering System Sideshift Cylinder
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Scarifier Cylinder
120H and 135H Motor Graders Hydraulic and Steering System Relief Valve (Implement)
EMCP II+Supplement Schematic for the EMCP II+ Electrical System EMCP II+Supplement Schematic for the EMCP II+ Electrical System
CG137-8 Engine HMI Display Electrical System - (Interactive) 516-7015-01 CG137-8 Engine HMI Display Electrical System - (Interactive) 516-7015-01
Def Transfer Pump Electrical System - 447-4750-00 Def Transfer Pump Electrical System - 447-4750-00
C9 Generator Set Electrical System - 542-6947-00 C9 Generator Set Electrical System - 542-6947-00
C9 Generator Set with EMCP 4.4 Electrical System - (Interactive) 485-5208-01 C9 Generator Set with EMCP 4.4 Electrical System - (Interactive) 485-5208-01
C9 Generator Set with EMCP 4.2 Electrical System - (Interactive) 485-5205-01 C9 Generator Set with EMCP 4.2 Electrical System - (Interactive) 485-5205-01
Ultrasonic Wear Indicator 5 UWI 5 Ultrasonic Wear Indicator 5 UWI 5
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Articulation)
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Sideshift)
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Centershift)
631E Series II Wheel Tractor-Scrapers Synthetic Basestock Oils
3208 Marine Engine Battery - Recycle
854G Wheel Dozer Turbocharger - Inspect
854G Wheel Dozer Engine Water Pump - Inspect
631E Series II Wheel Tractor-Scrapers Aftermarket Oil Additives
584 and 584HD Forwarders Oil Filter - Inspect
584 and 584HD Forwarders Tire Inflation Pressure Adjustment
TK711, TK721, TK722 and TK732 Track Feller Bunchers Before Starting Engine
143H and 163H Motor Graders Mounting and Dismounting
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.