Adjustment of Marker Working (Lowering – Lifting) Speed
3.
Step: Change the lift speed by rotating the Allen
wrench no. 6 that you inserted in the set screw
during the “lifting” of the marker arms.
Rotation of the set screw in clockwise direction decreases the
speed while rotation in counter-clockwise direction increases
the lift speed.
Repeat this procedure step until achieve an optimum
working speed.
Remove the Allen wrench once optimum working
speed is achieved. The set screw will maintain the
adjustment by remaining fixed due to its structure.
Note: The speed control valves can primarily change
the lifting speed of the marker arms. Since the marker
arms are lowered by gravity in single-driven hydraulic
lifts, the effect of the speed control valves on lowering
speed is low.
4.
Step: Implement the 4 procedure steps given
above for the other marker arm. Ensure that the
working speeds of both arms are the same.
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