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
accessible 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
improvement.
Document number:
1368180
Edition:
06.00 | 17/03/2022 | de - en
© SCHUNK GmbH & Co. KG
All rights reserved.
1 Intended use
If the product is leaking, the seal must be submerged. In most cases, the
cause is wear.
2 Scope of delivery
Designation
SRM 16 – 40
20
25
32
40
O-ring [pce.]
8
8
8
12
Seal [pce.]
5
5
5
5
3 Applicable documents
•
Catalog data sheet of the product *
•
Assembly and operating manual for the product including declaration of
incorporation *
•
Safety data sheet of lubricant *
The documents labeled with an asterisk (*) can be downloaded from
schunk.com.
4 Notes on particular risks
WARNING
Risk of injury due to unexpected movements!
If the power supply is switched on or residual energy remains in the system,
components can move unexpectedly and cause serious injuries.
• Before starting any work on the product: Switch off the power supply
and secure against restarting.
• Make sure, that no residual energy remains in the system.
WARNING
Risk of injury due to contact with lubricants!
Lubricant may cause irritation and allergic reactions if it contacts the skin or
eyes.
• Avoid contact between lubricant and skin or eyes.
• Wear safety goggles and protective gloves.
• Observe information on the safety data sheet of the lubricant.
5 Recommended lubricants
Lubricant point
Lubricant
The teeth and the pinion
Toothgood 1
All seals
Sealgood 1
6 Threadlocker
If not stated otherwise, screws can be secured using Loctite no. 243 or a similar
adhesive.
7 Replacing seals
7.1 Size 20 - 40
*
Size 20 – 25: 2 pieces, Size 32 - 40: 5 pieces
**
only for size 20 – 25: 3 pieces
Tightening torque [Nm]
Item Designation
SRM 16 – 40
20
25
32
40
1
Screw [Nm]
0.94 0.94 0.94
4.3
2
Screw [Nm]
2.2
2.2
2.2
4.3
Disassembling
Ø
Ventilate the product.
Ø
Remove product from the system/machine.
Ø
Disassemble sensors if necessary.
Ø
Loosen screws (2) and pull housing (5) of the fluid feed-through up out of
the base unit (9).
Note: Due to friction on the seals, an increased force may be required
when pulling out.
Ø
Loosen screws (1) and pull flange shaft (3) up off the pinion.
✓
Seals (4/10) become accessible.
Ø
Size 20 – 25:
Remove seals (4/10) from the housing (5).
Ø
Size 32 – 40:
Pull off the seals (10) from the flange shaft (3).
Ø
If necessary, change seals on the base unit,
Chap. ,
Assembling
Ø
Assemble product in the reverse order. Observe the following when doing
this:
✓
Size 20 – 25:
Assemble two-piece seals (10). Insert the hard plastic
ring into the softer elastomer ring.
Insert new greased seals (4) at top and bottom and two-piece
seal (10) in the center.
✓
Size 32 – 40:
Insert new greased seals (10).
✓
Make sure that O-ring (7) and all centering sleeves (8) are inserted in
the base unit (9).
✓
Unless otherwise specified, secure all screws and nuts with Loctite no.
243 and tighten with the appropriate tightening torque.
Ø
Mount product onto the system/machine.
SRM 16 – 40
Seal kit MDF spare parts
package
Repair Instructions
SCHUNK GmbH & Co. KG | Spann- und Greiftechnik
D-74348 Lauffen/Neckar | Bahnhofstr. 106 – 134
Tel. +49-7133-103-0 | Fax +49-7133-103-2399
[email protected] | www.schunk.com
