Steinberg Systems SBS-SB-9/4.2 Manual De Instrucciones página 21

light for its working load range, you can add weight between the line and the snap
hook, but still keep in mind the working load of the product.
ASSEMBLY OF THE UNIT
Hook (A) to the correct height for the application.
Additionally, attach a safety line between the hook (B) and the surface on which
the balancer is suspended.
After hanging the object on the balancer, adjust its counterweight by turning the
tip (G) located on the back of the unit's housing and using the indicator on the front
of the unit's housing.
If it is ended with a bit, it is recommended to use a ratchet wrench for convenient
adjustment.
Turning in the clockwise direction (+) increases the counterweight to the suspended
weight (spring tension) and vice versa by turning in the counterclockwise direction
(-).
During assembly, make sure the rope is coiled in the balancer.