2: The shuttle is not parallel.

(1) Poor installation of front rail.

Eliminate the method:

A: check the angle of the front rail and the bottom of the shuttle box with the angle of the shuttle box, the angle is 90 degrees.

B: use the front gate gauge correction high and low position, so that the top of the shuttle box from the bottom of the 47.6mm.

C: the size of the front brake spring spring to the shuttle operation is completed, the front gate can quickly fall without the principle of jump back.

(2) The front panel is poorly installed.

Eliminate the method:

A: The height of the front plate should be higher than the bottom of the shuttle box 0.8mm. When the front bezel falls, it is inclined at 20 degrees with the bottom of the shuttle box. In order to ensure that the shuttle can be parallel into the swap, should be installed in the front convex plate before processing, so that both sides lower than the central 0.2mm.

B: the general use of the shuttle to the front of the front plate and the bracket before and after the position, the inside of the inside of the foot from the shuttle box activities backplane than the shuttle width 3.2mm, About no more than 0.4mm traverse.

(3) The shuttle cover is not installed properly.

Elimination method: the installation position of the shuttle cover plate, the current gate when the foot lift, it is still below the bottom of the shuttle cover below the 0.8mm.