SATA AE1021, User Manual, Page: 64 / 340

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9.5 Steel ring scraping and tire wearing on tire dismounting head:
- Untight hexagonal prism pin lock
- Loose mounting head screws or wrong orientation
- Large clearance between the hexagonal prism and the hexagon sleeve
Maintenance method:
- Adjustment of loose mounting head screws: Pre-tighten (not too tight) the screws first, and then tighten the screws. When tightening the
screws, install a medium-sized tire so that the trolley wheel of mounting head rests on the steel ring, rotate the direction of mounting
head to match it with the radian of steel ring, tighten again, and finally screw down.
- If the hexagonal prism is pulled manually and the swing is relatively large, replace the rocker arm.
9.6 The claw does not open or close properly: check whether there is air leakage, check whether the five-way valve core jumps out of the
pedal fork. If the above is normal, check whether there is gas blow-by in the rotary distribution valve. When the pedal is not stepped or
fully stepped, only one of the air pipes connecting the rotary valve to the small cylinder is ventilated. In any case, the explanation for the
phenomenon that the two gas pipes are not ventilated at the same time is that there is gas blow-by from the rotary distribution valve. If
there is no problem in the above parts, check the mechanical part. Whether the claw seat is deformed or jammed, whether the square
rotary table is jammed, whether the square rotary table is jammed, and whether the pin of the square rotary table falls off.