574B Forwarder Hydraulic System Caterpillar


Hydraulic Cylinder (Steering)

Usage:

574B CZZ



Illustration 1g00802205

(1) Diameter of a new cylinder rod ... 50.750 ± 0.038 mm (1.9980 ± .0015 inch)

(2) Bore of a new cylinder tube ... 88.90 ± 0.08 mm (3.500 ± .003 inch)

(3) Bore of a new cylinder head ... 51.03 ± 0.03 mm (2.009 ± .001 inch)

(4) Lubricate the threads with clean grease prior to assembly. Torque for the cylinder head ... 600 ± 130 N·m (440 ± 95 lb ft)

(5) Lubricate the threads of the bolt prior to assembly. Torque for the bolt ... 1125 ± 100 N·m (830 ± 75 lb ft)

(6) Lubricate the sealing lips with a minimal amount of the lubricant that is being sealed.

Cylinder Drift

The maximum permissible drift per minute for the steering cylinder is 3 mm (.1 inch) at the following conditions:

Oil temperature ... 38 to 54 °C (100 to 130 °F)
Supply pressure ... 23000 kPa (3350 psi)

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