SCHUNK PGN-plus - Variant with Maintenance of Gripping Force (I.D. Gripping); Variant with Dust Cover

Maintenance
09.00 | PGN-plus | Assembly and Operating Manual | en | 389296
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7.4.3 Variant with maintenance of gripping force (I.D. gripping)
Position of the item numbers: Drawings [
}
61]
WARNING
Risk of injury due to spring forces!
The cover is under spring tension.
• Carefully disassemble the product.
Ø Remove the compressed air hoses.
Ø Remove the cover (5).
Ø Mark the installation position of the piston (3/8) and the base
jaws (2/7) in the housing (1).
Ø WARNINGDanger of injury due to spring forces! The cover is
under spring tension. Carefully disassemble the module. Clamp
the module between the base jaws (2/7) and the cover (9) in
the vise such that it is still possible to remove the four screws
(46).
Ø Unscrew the screws (46).
Ø Carefully unclamp the vise until the spring force (25) is released.
Ø Remove the cover (9) and the compression spring (25).
Ø Unscrew screw (40) and remove cylinder piston (60) from the
housing (1).
Ø Press the piston (3/8) upward out of the housing (1).
Ø Pull the base jaws (2/7) out of the housing (1).
7.4.4 Variant with dust cover
In variant with dust cover, the dust cover must be removed first.
Dust cover [
}
63]
Ø Completely unscrew the screws (91) and remove the plain
washers (92) and centering sleeves (86). Screws (91) and the
plain washers (92) only serve the purpose of protection during
transport.
Ø Pull the intermediate jaws (84) upwards and out and remove
the o-rings (87) and shims (83).
Ø Slacken the countersunk screws (89) and remove the cover
plate (82).
Ø Unscrew the screws (90) and detach the covers (81).