2. When replacing brake lines, special attention should be paid to the selection of replacement components. In no case should copper pipes be installed in the hydraulic path of the brake system that are not able to withstand the forces developed in the circuits. Try to purchase branded steel lines in the representative offices of the vehicle manufacturer, it is preferable to buy sections already cut to length and equipped with fitting nozzles. Flexible hoses must also be of the highest quality.
3. When installing brake lines, make sure that they pass at least 20 mm through vibrating and moving suspension elements and the power unit.
4. When loosening the nuts of the nipple connectors for connecting steel lines to flexible hoses, use a special ring wrench with a split head (refer to accompanying illustration).
5. After releasing the nut, remove the retainer and release the hose from the support bracket (refer to accompanying illustration).
6. At a disconnection of a flexible hose from a support of the brake mechanism turn out a hollow bolt of the union socket and throw out old sealing washers. When connecting, the washers must be replaced without fail.
7. When disconnecting two hoses, use two open end wrenches. Make sure that when docking the hoses, they are not twisted.
8. For fixing steel lines, a set of intermediate clamps is usually used. Broken fasteners must be replaced without fail!
9. Make sure the brake lines are securely fastened in all provided intermediate clamps and support brackets.
10. Having finished installing the new sections of hydraulic lines, check the fluid level in the GTZ reservoir. Make appropriate adjustments if necessary. Bleed the brake system (see Section Bleeding the brake system). Before starting the operation of the vehicle, make sure that the brakes are working properly.