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Multi Disc Torque Limiters

Multi Disc Torque Limiters

Multi Disc Torque Limiters

Product catalog summary
Technical Specifications
The Multi Disc Torque Limiters L331 VAR00 and VAR05 are delivered with a factory-set "Z" dimension for nominal sliding torque with a tolerance of ±20%. The units are available in various sizes with maximum RPM ranging from 1000 to 4800. The "Z" dimension and weight vary according to the size.

Precautions and Restrictions on Use
Exceeding maximum rotation speeds voids the warranty. Maintenance should be performed with the mechanism at rest to prevent accidental starts. Only qualified personnel should perform interventions.

Installation
Units are packaged for transport and storage for up to six months. Handling should avoid impacts to maintain performance. The hub should be mounted with specific tolerances and secured with Loctite 243 or equivalent. Torque adjustments are made by moving the pressure flange and ensuring the "Z" dimension is within tolerance.

Maintenance
Regular checks on transmitted torque and disc condition are necessary. Dismantling involves reducing spring pressure and replacing worn discs. New discs should be immersed in oil for 12 hours before installation. Recommended oils should have good rust resistance and no harmful additives.

Appendix
Includes drawings and descriptions of VAR00 and VAR05 components. Spare parts orders must include unit size, code number, and part reference.

Warranty
Warner Electric LLC offers a one-year warranty for defects in material or workmanship, limited to repair or replacement. The warranty is non-transferable and excludes damages from improper use or installation.
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Catalog excerpts

Multi Disc Torque Limiters-1

Multi Disc Torque Limiters L331 VAR00 and VAR05 Service Manual P-2073-WE SM314gb - rev 01/08

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Multi Disc Torque Limiters-2

We, WARNER ELECTRIC EUROPE, 7, rue Champfleur, B.P. 20095, F-49182 St Barthélemy d’Anjou Cedex declare that the torque limiters made in our factory from St Barthélemy d’Anjou, and hereafter designated : L331 are exclusively designed for incorporation into a machine and to be assembled with other equipments to create a machine. The operation of the product is submitted to the conformity of the complete equipment, following the provisions of the machinery directive 98/37/EC. Drawn up in St Barthélemy d’Anjou, July 2002 E. PRAT, General Managing Director Technical specifications Features Precautions...

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Multi Disc Torque Limiters-3

Any modification made to the unit without the express authorisation of a representative of Warner Electric, in the same way than any use out of the contractual specifications accepted by “Warner Electric”, will result in the warranty being invalidated and Warner Electric will no longer be liable in any way with regard to conformity. Transport / storage These units are delivered in standard packaging that will keep it intact for a period of 6 months during ground, air or sea transport towards neighbouring continents (without crossing the tropics). Avoid any impact on the units so as not to alter...

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Multi Disc Torque Limiters-4

Maintenance After some sliding (function of the use), the value of the transmitted torque decreases. Periodicaly check the transmitted troque, and the state of the stack of discs. Dismantling / reassembling During maintenance work, ensure that the mechanism to be driven by the units is at rest and that there is no risk of it being started accidentally. All intervention have to be made by qualified personnel, owning this manual. Dismantling: • Dismantle the driving part of the receving part • Reduce the spring pressure (740), unscrewing the fixing screws (905), then remove the pressure flange...

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Multi Disc Torque Limiters-5

Steel outer disc Steel inner disc Thrust disc Pressure flange Pressure ring Hub Hub Cover Bearing housing O-ring seal Radial oil seal V-ring Deflector Spring Ball bearing Centering ball bearing “Needle bearing Setting screw Axial fixing screw Outside circlips Inside retainer Outside retainer x x Size 100-200-400-800 x Size 1600-3200-6400-12800 x x x x x x Sizes 6400-12800 Sizes 6400-12800 x Sizes 50-100-200-400-800 x Sizes 1600-3200-6400-12800 x x x Sizes 6400-12800 x

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Multi Disc Torque Limiters-6

Description Coupling Hub Coupling Flange Spider Subject to alteration without prior notice

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Multi Disc Torque Limiters-8

Warranty Warner Electric LLC warrants that it will repair or replace (whichever it deems advisable) any product manufactured and sold by it which proves to be defective in material or workmanship within a period of one (1) year from the date of original purchase for consumer, commercial or industrial use. This warranty extends only to the original purchaser and is not transferable or assignable without Warner Electric LLC’s prior consent. Warranty service can be obtained in the U.S.A. by returning any defective product, transportation charges prepaid, to the appropriate Warner Electric LLC factory....

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.