hydraulic cylinders use and maintenance of standards

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A hydraulic cylinder recommended to use the working fluid as follows: Summer YA-N46, winter YA-N32 hydraulic oil, or use the appropriate viscosity machine oil (50 ° C, the kinematic viscosity of 30 centistokes to 40 centistokes).

(2) when working oil temperature should be between 5 ° C to 65 ° C in order to avoid seals accelerated aging.split flanges

Should ensure that the hydraulic oil clean, oil pollution indicators at the national standard should be 19/16.

(B) packaging, storage and transportation

A hydraulic cylinder storage should be added to the packaging and transportation process, the oil port, combined with the surface and the piston rod to exposed parts of the protective devices should be added.

(2) storage and transportation process should be fixed firmly to prevent the bump.hydraulic valve manifold

(3) lifting should be tied to hang securely, so as not to throw touch.

(C) the disassembly of the hydraulic cylinder

The demolition of the hydraulic cylinder, should make the oil pressure in the hydraulic cylinder circuit is reduced to zero.

Demolition to prevent damage to the hydraulic cylinder parts.

Different due to the specific structure of the hydraulic cylinder, the demolition order is not the same, according to a specific situation to judge.

Flange connection type, flanged screw should be removed with screws to the top end cap can not be hard to pry or hammer to avoid damage.

The Neckar key join, you should use a dedicated tool, the guide sleeve and push it inward, and the exposed card key to remove the card key and items of nylon or rubber texture card keyway fill out the demolition.

Thread connection cylinder, first thread gland twist.

Removal of the piston rod and piston, piston rod components can not be arbitrarily pulled out from the cylinder, you should try to keep the piston rod components and the cylinder axis to sl owly pull out in a line.

In part after removal of the check should be parts stored in a clean environment and to install isolation devices to prevent the bump should be part cleaned before re-assembly