SOMAS A11 - Page 28

28
Edition: 2022-06 Original document - Mi-503 EN
Procedure
1. Disconnect internal air piping.
2. Unscrew the nuts (
➔ Fig.5-1/1), remove the washers (➔ Fig.5-1/2) and the end cover
(
➔ Fig.5-1/3).
3. Dismantle the cylinder tube (
➔ Fig.5-1/4).
4. Dismantle the screw (
➔ Fig.5-1/5), washer (➔ Fig.5-1/6), guide ring
(
➔ Fig.5-1/7) and piston (➔ Fig.5-1/8).
5. Loosen the screws (
➔ Fig.5-1/9) and dismantle the sealing bracket
(
➔ Fig.5-1/10).
6. Replace the piston rod seal (
➔ Fig.5-1/11) and refit the sealing bracket.
7. Replace the O-ring (
➔ Fig.5-1/12) in the housing end cover and the O-ring
(
➔ Fig.5-1/13) on the piston rod.
8. Fit a new piston seal (
➔ Fig.5-1/14) and a new O-ring (➔ Fig.5-1/15) on the piston
disc (
➔ Fig.5-1/8). Screw together the complete package on the piston rod and
fit a new guide ring (
➔ Fig.5-1/7).
9. Replace the O-ring (
➔ Fig.5-1/16) on the end cover. Refit the cylinder tube and end
cover.