4
Operating instructions
Position switches
EX-T 335
EN
3.4 Mounting of the actuating heads
Positioning actuator head
(only for H, 10H, 7H, 7H-2138)
The actuating head can be repositioned by 4 x 90°. Unscrew the
four screws of the actuating head (Philips tip profile), reposition the
actuating head in the desired position and retighten the four screws
(tightening torque 1.5 Nm).
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, 10H)
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 7 H or 10 H actuator are not suitable
for safety functions. Ordering suffix for actuator 7H with
positive break: -2138.
3.5 Actuation of the position switches
Top plunger
A
A End stop
Roller plunger
max. 30°
Cam disc
front side
Trailing edge
