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Festo 7ADNc_en
3. Unscrew the hex nut and the washer or rear part of the piston rod (on
cylinders with through piston rod (S2 / 20)) from the piston rod.
ADN / ADNGF-…-A
Only ADN / ADNGF-…-PPS
A special tubular box wrench
3
) is required to undo the hex nut
2
on the piston rod
1
.
1
2
3
ADN / ADNGF-…-PPS
It is advisable to note the order and orientation of the piston components for
assembly of the piston components on the piston rod later.
4. Remove the piston components from the piston rod.
5. Clean the thread of the piston rod and hex nut (the thread of the rear part of
the piston rod in cylinders with through piston rod (S2 / 20)) to remove any
locking agent residue.
6. Replace the components contained in the set of wearing parts.
7. Re-assemble the piston components on the piston rod in the correct order
and orientation.
Carry out steps 8 to 11 for ADN / ADNGF-…-PPS only
A centring tool
2
is required to install the front cushioning
boss
3
(see Chapter
)
8. Push the centring tool
2
onto the piston rod
1
, with its convex side facing
the rear end of the piston rod
1
.
9. Push the front cushioning boss
3
onto the piston rod
1
, with the concave
side facing the centring tool
2
.
10. Reassemble the piston components
4
on the piston rod in the correct
order.
11. Push the rear cushioning boss
5
onto the piston rod
1
, with the concave
side facing the rear end of the piston rod
1
.
3
2
1
4
5
