3. Adjust the lowering speed
You can adjust the lowering speed of the lift if needing: screw the throttle valve
clockwise to decrease the lowering speed, or counterclockwise to increase the
lowering speed.
4. Test with load
After finishing the above adjustment, test running the lift with load. Run the lift in
low position for several times first, make sure the lift can rise and lower
synchronously, the Safety Device can lock and release synchronously. And then test
run the lift to the top completely. If there is anything improper, repeat the above
adjustment.
NOTE: It may be vibrated when lifting at start, please lifting it with load for several
times, the air would be bled and the vibration would be disappeared automatically.
Fig. 37 Hydraulic System
Adjust clockwise, decrease lowering speed
Counterclockwise, increase lowering speed
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