The detailed steps of clearance adjustment for PC200-8 excavator working device are as follows:
If the left and right working device has large clearance, adjust the following steps.
1 remove the working device and the rotary PPC valve assembly.
2 dismantling the tigers (1).
3 loosening the locking nut (2), tightening the plate (3) until the disc touches the head of the 4 piston (4).
At this time, do not move the piston.
4 fixed disc (3), tighten the locking nut (2) to the specified torque.
Lock nut: 98-127 Nm {10-13kgm}
5 installation of skin tigers (1).
6 installation work device and rotary PPC valve assembly.