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Burkert Type 8686 User Manual

Page 15

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15

Assembly

designation

Order no.

Adapter set for Type 8685

684267

Adapter set for Type 8686

684268

Tab. 2: Adapter sets

procedure:

step 1: assembly of adaptation body on the actuator

Unscrew the transparent cap from the actuator.

Place the 52 x 3 O-ring in the profile on the bottom of the adap-
tation body.

Place the adaptation body on the actuator, paying close attention
to the coding pin.

Screw the adaptation body tightly onto the actuator with two
cylinder screws M6 x 12.

O-ring 52 x 3

Adaptation body

Coding pin

Cylinder screws M6 x 12

Actuator

Fig. 6: Assembly of adaptation body

note!

using a switch spindle that does not fit will result in irrepa-
rable destruction of the feedback head and/or control head
and the actuator.

▶ Use only switch spindles that match the actuator size. The cor-

responding actuator size identification (RV50, RV70, RV110)

for switch spindles are embossed on the front of the PVC cap

(see “Fig. 5”).

Select the switch spindle that matches the actuator size (see
“Fig. 5: Switch spindle identification”).

Wet the thread of two switch spindles that match the actuator
size with Loctite screw locking M290.

note!

using the wrong spindle lead-through will result in
malfunction.

▶ Use only the spindle lead-through that matches the actuator

size (see “Fig. 7”).

Spindle lead-through
for actuator size
RV50

Spindle lead-through
for actuator sizes
RV70 and RV110

Fig. 7: Spindle lead-through

English

Type 8685 / 8686

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