12 “Translation of the original instruction”
2.4 Hydraulic Hoses and Fittings Installation Procedures
1.Replace the "O" ring.
2.When the seal leaks, the "O" ring must be replaced. The "O" ring shall not be reused if the torque at
the joint or hose connector exceeds the tightening torque/force of the hand.
3.Apply a layer of oil to the "O" ring before installation.
4.Ensure that the cross-section seal "O" is place fitted and positioned correctly.
5.Straighten the pipe and nut joint seal and tighten the nut by hand.
6.In accordance with the above table, tighten the nut and joints according to the established size of
the corresponding torque.
7.Run all the functions of the machine and check the hose and fittings as well as the relevant parts to
ensure no leakage.