2. All connecting rods and external locking devices are free from old damage and cracks, rods are free from abrasion and corrosion, pin hole wear is not more than 1mm, and insulation is good
3. The rod connecting iron is well insulated, and the outer lock connecting iron and the indicating rod connecting iron are well insulated. When there is no insulation, keep a gap of more than 3mm, do not collide with other parts, and tighten the bolts.
4. Check that there is no crack in the shell of the switch machine of the railway switch installation device, the installation is firm, and the locking function is good
Before the installation, we cannot ignore the preparation work, so as to better ensure the smooth progress of the installation work, and will not affect the use of railway switch. There is still a lot of knowledge about railway turnouts, and railway construction and maintenance companies need to learn more slowly. Kingrail Parts is engaged in the production and sales of rail clips. Friends in need are welcome to consult.