Seite 12 von 13
Adjusting the Stop Screw, Tread and the Center
Support
Adjusting the stop screw at the swivel arm
A)
Open the scissors stair (1) fully so that it touches the floor .
B)
Loosen the hex nut (8) on both sides.
C)
Turn Adjustment screw (7) on both sides till it touches the swivel arm (4).
D)
Tighten hex nut (8) on both sides.
1.
scissors stair
2.
Hatch box
3.
Hatch cover
4.
Swivel arm
5.
Bearing block
6.
Tensioning spring
7.
Adjustment screw M8
8.
Hex nut M8
1
2
3
4
5
6
7
8