Samson 3374 Mounting And Operating Instructions - page 24
24
EB 8331-3 EN
Additional functions
Î
RefertoFig. 11
1. Unscrew screws on housing cover and
take the cover off the actuator.
2. Move the actuator stem to the end position
depending on the fail-safe action "actua-
tor stem extends" or "actuator stem re-
tracts”(seesection 3.3).
3. Unscrew fastening screws. Slide the actu-
ator board (12) from its guiding to the
right. Slightly lift the board and continue
pushing it further towards the cable
entry.
4. Clip the spindle gear (2) onto the sleeve
(13). Make sure the side latch is properly
engaged in the groove of the sleeve.
5. Slide the intermediate gear (1) onto the
spindle 1 (11.1), mount the serrated ring
(3) and push it down as far as it will go.
6. Slide the spacer (8) onto the spindle
(11.2).
7. Place the tension spring (4) on to the cor-
responding spindle, ensuring that the
long wire of the tension spring rests on
the spacer (8) and on the intermediate
gear (1).
8. Place both ready-assembled contact
cams(19)withthecogfirstontothecam
holder (20).
9. Slide adjustment gears (18) onto their
spindles and fasten with one screw each.
Check whether the adjustment gears can
be turned easily. If not, slightly loosen its
screw again.
10. Turn both contact cams (19) on the cam
holder(20)asillustratedinFig. 13cor-
responding with the position of the actu-
ator stem.
11. Slide the cam holder with both contact
cams onto the spindle 2 (11.2) corres-
ponding with the position of the actuator
stemasillustratedinFig. 14.Makesure
that the outermost cog of the cam sup-
port (20) engages in the gearwheel of
the intermediate gear (1). In addition,
the adjustment gears (18) must engage
properly in the corresponding gears of
the contact cams (19).
12. Secure the cam holder (20) and interme-
diategear(1)withtheserratedring(3);
push down the serrated ring as far as it
will go.
13. Position the terminal board (17) at the
baseofthesupportata45°angle
(approx.) with the switches pointing
towards the gears. Swivel the upper end
of the terminal board towards the gears
until the board is in a vertical position
and properly engaged in the support.
14. Slide the actuator board (12) back into
its guiding. Make sure that the gears are
properly engaged. Fasten the board
using screws.
15. Adjust limit contacts as described in
section 6.1.3.
16. Replacecover.Brieflyturnthefastening
screws counterclockwise with a screwdri-
ver to center them. Then fasten down the
cover by tightening the screws.