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PFH
Covering spare parts package
Repair Instructions
SCHUNK GmbH & Co. KG | Spann- und Greiftechnik
74348 Lauffen/Neckar
Tel. +49-7133-103-0 | Fax +49-7133-103-2399
info@de.schunk.com | www.schunk.com
Copyright
This manual remains the copyrighted property of SCHUNK GmbH & Co. KG. It
is solely supplied to our customers and operators of our products and forms
part of the product. This documentation may not be duplicated or made ac-
cessible to third parties, in particular competitive companies, without our
prior permission.
Technical changes
We reserve the right to make alterations for the purpose of technical im-
provement.
Document number:1005280
Edition:01.00 | 20/01/2017 | de - en
© SCHUNK GmbH & Co. KG
All rights reserved.
1 Intended use
If grinding noises are audible or if belts or coverings are damaged (wear,
unevenness), then the belts or coverings need to be changed. The cause for
this defect is often dirt.
2 Scope of Delivery
Designation
150
200
Roller cover [pcs.]
2
2
Set-screw [pcs.]
2
2
Fitting screw [pcs.]
2
2
Cover [pcs.]
5
5
Complete sealing kit [pcs.]
1
1
3 Applicable documents
•
Catalog data sheet of the product *
•
Assembly and operating manual of the product *
The documents marked with an asterisk (*) can be downloaded on our
homepage www.schunk.com.
4 Notes on particular risks
WARNING
Risk of injury due to sudden movements!
If the energy supply is switched on or if residual energy is still present in the
system, this can cause components to move unexpectedly, which may res-
ult in serious injuries.
• Switch off energy supply and secure against re-connection.
• Ensure that no residual energy remains in the system.
5 Tools/auxiliary tools
•
Hexagon socket wrench
6 Recommended lubricants
Lubricant point
Metallic sliding surfaces
All seals
Bores on the piston
7 Tightening torque
Item Designation
29
Set-screw [Nm]
31
Fitting screw [Nm]
33
Screw [Nm]
37
Countersunk screw [Nm]
63
Countersunk screw [Nm]
64
Screw [Nm]
8 Threadlocker
If not stated otherwise, screws can be secured using Loctite 243 or a similar
adhesive.
9 Revolutions of the fitting screws
Item Designation
PFH
31 Fitting screw
250
300
2
2
2
2
2
2
5
5
1
1
10 Changing the covering
Lubricant
Molykote BR 2 plus
Dismantling
Renolit HLT 2
Ø
Renolit HLT 2
Ø
Ø
Ø
Ø
PFH 150 - 300
Ø
6
6
Ø
Ø
5
Ø
3
Ø
1.2
Assembly
3
When assembling, use the parts from the spare parts package.
Ø
Ø
Ø
Ø
Ø
150
200
250
300
Ø
Ø
3
2 ½
2
1 ½
Ø
Ø
Move gripper to the "open" position.
Remove all compressed air lines.
Disassemble gripper from the machine/automated system.
Unfasten and remove the screws (37 and 63).
Remove the covers (72 and 73).
WARNING! Roller belt covering (20) may be under tension! The covering
(71) may be ejected when removing the screws (64).
Unfasten and remove the screws (64).
Remove the cover (71).
Unfasten and remove the fitting screws (31).
Loosen the set-screws (29).
Remove roller belt coverings (20).
Clean all parts thoroughly, check for damage and wear and grease with a
lint-free cloth or brush.
If necessary, replace seals, illustrated in gray in the graphic.
Fasten roller belt coverings (20) with fitting screws (31) to the housing.
Fasten covering (71) to the roller covering with screws (64) until an initial
tension can be felt.
Tighten fitting screws (31). Number of revolutions, see
fitting
screws.
Fasten coverings (72 and 73) with screws (37 and 63).
Tighten set-screws (29).
Assemble gripper on the machine/automated system.
Secure all compressed air lines.
Revolutions of the
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