Festo ADN Series, Repair Instructions

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20 / 34 Festo 7ADNc_en
12. Place the washer on the piston rod (the washer is not used on cylinders with
through piston rod (S2 / 20)).
13. Wet the inside of the hex nut or the rear part of the piston rod (in cylinders
with through piston rod (S2 / 20)) with high-strength locking agent
(LOCTITE high-strength).
14. Tighten the hex nut on the piston rod or the rear part of the piston rod (in
cylinders with through piston rod (S2 / 20)) with the appropriate tightening
torque (see table).
ADN / ADNGF-…-A
Carry out steps 15 to 18 for ADN / ADNGF-…-PPS only
15. Use the centring tool to align the front cushioning boss with the middle of
the piston rod.
16. Place the washer on the piston rod (the washer is not used on cylinders with
through piston rod (S2 / 20)).
Note
Use a special tubular box wrench
3
to tighten the hex nut
2
on
the piston rod
1
(see Chapter 10.2 “Special tools” ), because
in addition to the size of the wrench, the wall thickness of the
tubular box wrench used is decisive for assembly of the cushion-
ing boss without damage.
17. Wet the inside of the hex nut or the rear part of the piston rod (in cylinders
with through piston rod (S2 / 20)) with high-strength locking agent
(LOCTITE high-strength).
18. Tighten the hex nut on the piston rod or the rear part of the piston rod (in
cylinders with through piston rod (S2 / 20)) with the appropriate tightening
torque (see table).
1 2 3
ADN / ADNGF-…-PPS
Type Tightening torque
ADN-32, ADNGF-32 9.2 Nm
ADN-32-…-A-PPS-A-S2 6 Nm
ADN-40, ADNGF-40 13.5 Nm
ADN-40-…-A-PPS-A-S20 12 Nm
ADN-50, ADNGF-50 30 Nm
ADN-40-…-A-PPS-A-S20 18.5 Nm
ADN-63, ADNGF-63 32 Nm
ADN-63-…-A-PPS-A-S20 18.5 Nm
ADN-80 45.5 Nm
ADN-80-…-I-PPS-A-S2 46 Nm
ADN-80-…-I-PPS-A 46 Nm
ADN-80-…-A-PPS-A-S20 33 Nm
ADN-80-…-A-PPS-A-S2 46 Nm
ADN-80-…-Q 23 Nm
ADN-80-…-A-PPS-A 46 Nm
ADNGF-80 46 Nm
ADN-100, ADNGF-100 45.5 Nm
ADN-125 72 Nm