Secura QMF320-B2 Manual De Instrucciones página 19

ONLY IF NECESSARY
To adjust arm tension, use a 6 mm hex key (not included).
HEAVY!
You may need assistance with this step.
CAUTION:
EXTEND REMOVE
Avoid potential personal injury or property damage!
RETRACT
Do not remove the screws during adjustments.
05
6 mm
04
[S]
04
09
19