HC Block valve adjusting
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- Screw number 1: Maximum pressure valve adjustment
- Screw number 2: Low speed adjustment
- Screw number 3: Rod counter-pressure and rope anti-loosening device adjusting
- Screw number 4: Rupture valve test
- Screw number 5: Adjustment upward and downward direction
- Screw number 7: Upward start adjustment
- Screw number 8: Adjusting of the max downward speed
- Screw number 15: Downward start adjustment
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