1.Introduction

Hydraulic central swivel is mainly used for crawler excavator. The chassis and the operating room are used for 360 ° rotation. The hydraulic oil is transported to the travel motor and the bulldozer cylinder through the central rotary joint.

2.Model specification and schematic diagram

3.matters needing attention

1）The 1-7 unused oil lines can be blocked with steel oil plug. It is recommended to inject a certain amount of hydraulic oil before blocking, so as to obtain a longer service life.

2）Ensure that the rotary gear and valve body are concentric during installation, so as to obtain longer service life.

4.Outline dimension drawing

5.Technical parameters