992G Wheel Loader and 854G Wheel Dozer Steering System Caterpillar


Relief Valve (Pump Backup)

Usage:

854G 1JW



图 1g00102205

卸压阀压力设定 ... 34500 ± 700 kPa (5000 ± 100 psi)

安全阀的机油流量率 ... 20 ± 1 L/min (5.0 ± .3 US gpm)

(1) 用少许密封的润滑剂润滑密封件。

(2) 安全阀的安装扭矩 ... 110 ± 10 N·m (80 ± 7 lb ft)

(3) 盖的扭矩 ... 110 ± 10 N·m (80 ± 7 lb ft)

(4) 8H-3532 弹簧

在试验力下的长度 ... 25.4 mm (1.00 in)
试验力 ... 95.6 ± 7.6 N (21.50 ± 1.70 lb)
试验后的自由长度 ... 42.07 mm (1.656 in.)
外径 ... 11.91 mm (469 in.)

(5) 4T-2770 弹簧

在试验力下的长度 ... 33 mm (1.3 in)
试验力 ... 328 ± 26 N (74 ± 6 lb)
试验后的自由长度 ... 45.8 mm (1.80 in.)
外径 ... 11.2 mm (44 in.)

(6) 锁紧螺母的扭矩 ... 50 ± 7 N·m (37 ± 5 lb ft)

Caterpillar Information System:

651E Wheel Tractor-Scraper Ejector Carrier Rollers - Inspect/Pack/Replace
992G Wheel Loader and 854G Wheel Dozer Steering System Check Valve (Steering Oil Cooler Bypass)
651E Wheel Tractor-Scraper Ejector Carrier Rollers - Check/Adjust
992G Wheel Loader and 854G Wheel Dozer Steering System Pressure Switch (Primary Steering Oil)
992G Wheel Loader and 854G Wheel Dozer Steering System Relief Valve (Secondary Steering)
561M Pipelayer Idlers (Track)
992G Wheel Loader and 854G Wheel Dozer Steering System Relief Valve (Steering Cylinder Crossover)
992G Wheel Loader and 854G Wheel Dozer Steering System Check Valve (Steering Pilot)
631E Series II Wheel Tractor-Scrapers Draft Arm Wear Plates - Check/Adjust
651E Wheel Tractor-Scraper Draft Arm Flange Bolts - Check
561M Pipelayer Drawbar
D5M Track-Type Tractor Power Train Fender
992G Wheel Loader and 854G Wheel Dozer Steering System Selector and Pressure Control Valve (Steering)
D6M Track-Type Tractor Ripper Linkage and Cylinder Bearings - Lubricate
651E Wheel Tractor-Scraper Ejector Guide Rollers - Check/Adjust
992G Wheel Loader and 854G Wheel Dozer Steering System Steering Cylinder
D6M Track-Type Tractor Power Train Cab Mounting
D5M Track-Type Tractor Power Train Rollover Protective Structure (ROPS)
651E Wheel Tractor-Scraper Ejector Support Rollers - Check/Adjust
D6R Track-Type Tractor Cooling System Extended Life Coolant - Change
D6R Track-Type Tractor Cooling System Extended Life Coolant Extender - Add
561M Pipelayer Cooling System Water Temperature Regulator - Clean/Replace
D6M Track-Type Tractor Bulldozer Power Angling Tilt Hinge Pins - Lubricate
D6M Track-Type Tractor Transmission Magnetic Screen - Clean
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