(A) fixing of tiles maintenance bowl, the bowl-shaped tile using cast zinc cylindrical pin fixed to the bearing seat, such as to re-cast loose zinc alloy. Otherwise, when lifting the cone, it will be glued to the moving cone surface and hang together to cause an accident;

(2) Inspection of the contact condition of the bowl-shaped tile: the contact surface of the bowl-shaped tile should be in contact with the outer ring of the bowl, and the contact ring width is 0.3-0.5 ft. If the contact is too large, it should be re-scratched;

(3) Checking the surface of the bowl-shaped tile: when the tile surface wears to the bottom of the oil groove (the oil groove is flattened) or the fixed pin is exposed and cracks are generated, it should be replaced;

(4) The shape of the bowl-shaped bearing seat and the frame should be tight. If the gap is ground after running, the bearing seat will be in series, which will cause the spindle to contact with the taper sleeve and even impact each other. After this gap, the dust water will also splash into the body and damage the lubrication. If the gap is greater than 2 mm, it should be repaired or replaced.

Replacement parts should be prepared in a worn size. Repair the gap method, you can take the repair welding method.

(5) When the dust ring on the bowl-shaped bearing seat is damaged, it should be replaced in time to prevent the dust from entering the water sealing groove, causing the sediment to block the water hole. The mineral powder deposited in the water seal tank should also be cleaned during maintenance.

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