SCHUNK PZN-plus Assembly And Operating Manual page 58

Maintenance
58
1. Remove the compressed air lines.
2. Undo the screws (47) and then remove the cover plate (5).
3. Mark the installation position for the piston (3) and the base
jaw (2) in the housing (1).
4. Clamp the gripper with suitable plastic base (101) between the
base jaws (2) and the cover (9) in a press (100), so that the
screws (46) still can be removed.
5. Unscrew the screws (46).
6. Open press (100) carefully. until the compression spring is no
longer under tension.
7. Remove cover and compression springs.
8. Mark the installation position for the piston (60) an the
housing (1).
9. Undo the screws (40)
10. Remove the cylinder piston (60) out of the housing (1).
11. Push the pistons (3) upwards out of the housing (1).
12. Pull the base jaws (2) out of the housing (1).
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