539 Knuckleboom Loader Hydraulic System Caterpillar


Swing Motor

Usage:

539 1PZ



Illustration 1g00596527

Swing Motor

Swing Motor

Displacement ... 51.3 cc (3.1 in3)
Maximum rpm ... 4200
Continuous Pressure ... 25000 kPa (3626 psi)
Nominal Pressure ... 42000 kPa (6091 psi)
Allowable Pressure for Housing ... 150 kPa (22.0 psi)

177-4795 Relief Valve




Illustration 2g00637893

(1) Torque for two 154-0403 Relief Valves ... 220 ± 25 N·m (160 ± 18 lb ft)

(2) 7Y-4268 Spring

Free length ... 48.5 mm (1.91 inch)
Outside diameter ... 18.7 mm (.74 inch)

154-0403 Relief Valve




Illustration 3g00637904

Pressure setting ... 29900 ± 980 kPa (4350 ± 140 psi)

(3) 4I-7792 Spring

Free length ... 36.0 mm (1.42 inch)
Outside diameter ... 10.9 mm (.43 inch)

(3) Torque for locknut ... 160 ± 30 N·m (120 ± 22 lb ft)

(4) 4I-7790 Spring

Free length ... 48.5 mm (1.91 inch)
Outside diameter ... 22.2 mm (.87 inch)

Caterpillar Information System:

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D400E Series II Articulated Truck Hoist, Steering, and Brake System Tank - Install
773D and 775D Quarry Trucks and 773E and 775E Off-Highway Trucks Power Train Spindle - Install
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D350E Series II and D400E Series II Articulated Trucks 3406E Engine Supplement Radiator - Disassemble
784C and 785C Off-Highway Truck Power Train Final Drive - Remove
773D and 775D Quarry Trucks and 773E and 775E Off-Highway Trucks Power Train Spindle - Remove
216, 226, 228, 232, 236, 242, 246, 248, 252 and 262 Skid Steer Loaders Bucket Cutting Edges - Inspect/Replace
3512B and 3516B Engine Supplement for and 784C,, 785C and and 785C HAA Off-Highway Truck/Tractors Engine Oil Filter Bypass Valve - Remove and Install
517 Track-Type Skidder Engine Supplement Fan Drive - Remove
561M Pipelayer Hydraulic System Counterweight Cylinder
3412E Engine Supplement for 773D Off-Highway Trucks and 775D Off-Highway Quarry Trucks Engine Trunnion - Install
143H and 163H Motor Graders All Wheel Drive All Wheel Drive Electronic Control - Test
3412E Engine Supplement for 773D Off-Highway Trucks and 775D Off-Highway Quarry Trucks Screen (Hoist and Rear Brake Oil Cooler) - Remove and Install
3054 Engine for Caterpillar Built Machines Exhaust Manifold - Remove and Install - Type 1 Engines and 9RM Engines
D400E Series II Articulated Truck Power Train Differential and Bevel Gear (Front and Rear) - Assemble
539 Knuckleboom Loader Hydraulic System Swing Drive
3116 Engine for Challenger 35, and Challenger 45 Agricultural Tractors and 3126 Engine for Challenger 55 Agricultural Tractor Engine Supplement Air Inlet Heater - Remove and Install
834G Wheel Tractor and 836G Landfill Compactor Electrohydraulic System Relief Valve (Main)
D350E Series II and D400E Series II Articulated Trucks 3406E Engine Supplement Radiator - Assemble
143H and 163H Motor Graders All Wheel Drive Accumulator (All Wheel Drive) - Test
143H and 163H Motor Graders All Wheel Drive All Wheel Drive Electronic Control - Test
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