Samson EB 31a-23, Монтаж и эксплуатация

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9-10
EB 31a-23_EN
Edition: November 2021
Speci fi cations subject to change
Service
Fig. | 9-18: Place the Octi-cam
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Place the spring clip (18) by means of by means of snap-
ring pliers or a screwdriver for spiral rings.
Risk of spring clip damage due to incorrect assembly!
During reassembly the spring clip (18) can get overstressed if not
carefully handled.
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Use proper tools to reassemble the spring clip.
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Replace the spring clip (18) if it has been overstressed and
loosened.
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In case of spiral spring clip (18) refer to the disassembly and
reassembly instructions available from PFEIFFER.
9.5.2 Pistons reassembly
Refer to Fig. 9-1, Fig. 9-19, Fig. 9-20, Fig. 9-21 and Fig. 9-22
Proceed as follows to reassemble standard Type BR 31a actuator
pistons with a 90° angle of rotation and clockwise to close. Refer
to the technical data sheet in case of actuators with different
function/rotation.
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Lubricate and place onto the pistons (40) the o-rings (16),
piston backs (05) and the head bearings (15).
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Lubricate the internal surface of the body (50) and the pis-
ton (40) rack teeth.
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Insert the female connection of the drive shaft (60/60.1) in a
properly
fi xed coupling joint, as shown in Fig. 9-20.
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Make sure that the octi-cam (01) is in the right position as
per the Fig. 9-20.
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Rotate the body (50) about 40°-45° clockwise from top view,
as shown in Fig. 9-21.
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Insert and press the two pistons (40) simultaneously inside the
body (50) until the pistons are engaged.
NOTICE
9.5.1 Drive shaft reassembly
Refer to Fig. 9-1, Fig. 9-16, Fig. 9-17 and Fig. 9-18.
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Place the drive shaft top bearing (06) and bottom bearing
(07).
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Lubricate and place the drive shaft top o-ring (21) and bot-
tom o-ring (20).
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Lubricate the external surface of the bearings and o-rings
placed onto the drive shaft (60/60.1) as per the Fig. 9-16.
Fig. | 9-16: Lubricate the Drive shaft
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Insert partially the drive shaft (60/60.1) into the body (50)
as per the Fig. 9-15.
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Place the octi-cam (01) through the body (50) onto the drive
shaft (60/60.1). Refer to the Fig. 9-18 for the correct place-
ment of the octi-cam (01) depending on the actuator assem-
bly con
fi guration.
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Place the internal thrust bearing (08).
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Insert completely the drive shaft (60/60.1) into the body
(50).
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Place external thrust bearing (08) and thrust washer (10).
Fig. | 9-17: Reassamble the Drive shaft