4
Operating instructions
Position switch with safety function
Z/T 235/236 AS
Z/T 256 AS
EN
3.3 Mounting of the actuating heads
Repositioning the actuating heads (R, 1R, K, 3K, 4K, V, V.H)
The actuating head can be repositioned by 4 x 90°. Unscrew the screws
of the actuating head Reposition the actuating head in the desired
position and retighten the four screws
Repositioning the roller lever (H)
The (offset) roller arm may be reversed, so that the roller faces the
inside of the arm
Positioning the lever (.H)
10° 10°
10°
10°
The roller lever can be repositioned over 360° on the toothed shaft in
10° steps. Unscrew the hexagonal screw approx. 4 mm, reposition the
lever in the desired position and retighten the screw
Length-adjustable lever (7H-2138)
To adjust the length of the lever, unscrew the fixing screw of the lever
Firmly retighten the screw after the length adjustment
Position switches with 7H, 10H actuator or spring rod lever AF
are without positive break and not suitable for safety functions
Ordering suffix for actuator 7H with positive break: -2138
3.4 Actuation of the position switches
Top plunger
A
Key
A End stop
Roller plunger
max. 30°
Cam disc
front side
Trailing edge