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Figure 3-18:
Assembling the end cap screws
Assemble the end cap on the housing (29).
Make sure that the o-rings lie in the grooves.
Complete tightening the screws (13), tighten each screw in
the indicated order one rotation each, see Figure 3-16.
Tightening torques, see "15.1.1 Tightening torques".
3.14.4 Assembly of the adjusting screws,
actuator version before 2006
(see Figure 3-3 and Figure 3-17)
Insert both adjusting screws (2), lock nuts (4), washers (3)
and seals (11).
Screw the adjusting screws (2) into the housing, see Fig-
ure 3-17.
EB 31a_EN
December 2022 edition
Subject to technical changes
Figure 3-19:
Assembling the adjusting screws
3.14.5 Assembly of the adjusting screws,
actuator version after 2006
(see Figure 3-3 and Figure 3-17)
Info
Both adjusting screws (2) can only be inserted from the inside of
the actuator.
Carry out the assembly of the adjusting screws before
Chapter "3.14.2 Cam assembly" and Chapter "3.14.3 End
cap assembly".
Insert the seals (11).
Place the lock nuts (4) and washers (3) on the adjusting
screws (2).
3.14.6 Adjusting the end position on the
standard actuator
(clockwise to close)
0° (close), end position adjustment for an actuator in the closed
position
Turn the right screw (2) to the right or left (view from the top)
until the required end position is reached.
Tighten the lock nut (4) to secure the position. Observe the
tightening torque for the lock nut, see Table 15.2 in Chapter
"15.1.1 Tightening torques".
90° (open), end position adjustment for an actuator in the
opened position
Turn the left screw (2) (view from the top) to the right or left
until the required end position is reached.
Design and principle of operation
3-7
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