Tripp Lite DWMLARM1732AM Owner's Manual page 11

Adjustment
10
11
Keep the monitor arm horizontal
while making spring tension
adjustments. Prior to any arm
movement, fully remove the hex key.
(Note: DO NOT over-tighten screw.)
N
TURN KNOB
TO ADJUST LOAD CAPACITY
DECREASE INCREASE
To adjust a heavier display, turn
knob counter-clockwise.
To adjust a lighter display, turn
knob clockwise.