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Introduction Description FLENDER COUPLINGS Application planning FASTEX IC250 Assembly Clamping elements 3900en Disassembly Disposal Compact assembly and operating instructions Services and support Technical data Edition 04/2022...
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Note the following: WARNING Flender products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Flender. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
Only the knowledge of these instructions can avoid faults on the clamping element and ensure fault-free and safe operation. Non-adherence to the instructions can cause product or property damage or personal injury. Flender does not accept any liability for damage or operating failures that are due to non-adherence to these instructions.
Table 7-1 is not exceeded at any operating point. The identification and information on the conditions of use can be found in the main operating instructions of the assembly supplier. FASTEX IC250 Clamping element 3900de Compact assembly and operating instructions 04/2022...
Detailed information on the dimensions can be found in Appendix A Technical data (Page Fehler! Textmarke nicht definiert.). Contact surfaces Clamping hub Clamping bush Supporting ring Cylinder-head screw Figure 2-1 Construction of the clamping element FASTEX IC250 FASTEX IC250 Clamping element 3900de Compact assembly and operating instructions 04/2022...
3.1 Storage of the clamping element The clamping element, unless not specifically ordered otherwise, is supplied with preservation and can be stored for up to 12 months in a dry and dust-free storage room. FASTEX IC250 Clamping element 3900de Compact assembly and operating instructions 04/2022...
In the following table you will find the permissible fits of the clamping element and the shaft. Table 4-1 Recommended assigned fits component tolerance surface quality Shaft tolerance Ra ≤ 3,2 µm Bore tolerance Ra ≤ 3,2 µm Contact surfaces Figure 4-1 Fit assignment FASTEX IC250 Clamping element 3900de Compact assembly and operating instructions 04/2022...
6. Tighten the cylinder-head screws (4) crosswise in several turns. The specified tightening torque can be found in the Tightening torques and widths A/F section. Kontaktflächen Clamping hub Clamping bush Supporting ring Cylinder-head screw Figure 4-2 Assembly FASTEX IC250 FASTEX IC250 Clamping element 3900de Compact assembly and operating instructions 04/2022...
4. Check the hub bore and the shaft for damage and protect them against corrosion. When reinstalling the clamping element please observe the information in the chapter Assembly (Page 10). Figure 5-1 Disassembly FASTEX IC250 FASTEX IC250 Clamping element 3900de Compact assembly and operating instructions 04/2022...
Technical data Geometry data and tightening torques In this section you can find dimension drawings and technical data for the Flender clamping elements.: Clamping hub Clamping bush Supporting ring Cylinder-head screw Figure 7-1 Parts overview FASTEX IC250 flender.com...