There are several steps to replace the support wheels:
① After cleaning the dirt and debris of the walking frame, park the equipment on a flat area,
②Use a wrench to loosen the pressure relief block of the tension cylinder of the walking frame, and the loosening shall not exceed 1 turn to prevent the high pressure grease from spraying out and hurting people.
③ Use the working device (boom cylinder) to support the body, lift the track shoe, and use the air wrench to loosen the roller cover screws, but do not completely remove the screws.
④Raise the boom cylinder, lower the track shoe, the track shoe is supported by the track shoe, loosen the screw to remove the tile cover, support the body again, and lift the track shoe.
⑤Install the supporting rollers in the order of disassembly. Apply copper powder to the screws of the supporting wheels to prevent rust. After screwing it in place with a pneumatic wrench, you can adjust the specified value on the scale (torque tool) to increase the scale.
⑥After injecting high-pressure grease into the telescopic cylinder of the walking frame, the standard value is measured when walking back and forth, and the gap at a is about 10~30mm.
If it has not been replaced, the thread of the screw can still be used, it is very simple. Remove the old one and replace it with a new one. The screw can also be replaced with a little screw glue. If the thread of the screw is not easy to use, it will be troublesome. Use a screw longer than the original screw that can have a nut. Use two nuts to fix it, but this is easy to damage in the future. It is best Need some soldering points.