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OC441665

Release 1. 22jan16jh

This document is TELMA’s property. It cannot be either forwarded to an outsider, printed, reproduced or disclosed without TELMA’s authorization. Page

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1. TELMA ORIGINAL SPARE PART NEEDED

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Hub assembly



See spare parts catalogue for reference.

For any spare parts orders, it is necessary to specify the part number of the retarder, its serial number, and
the model.

You will find the necessary information on spare parts for this equipment in the spare parts catalogue:

«

SPARE PART CATALOG FOR AF / LVRS TELMA RETARDERS » OC443040

For more information about your TELMA SA product, please contact your TELMA dealer.

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Summary of Contents for OC441665

Page 1: ...be either forwarded to an outsider printed reproduced or disclosed without TELMA s authorization Page 1 23 MAINTENANCE MANUAL Hub replacement on retarders AF5 and LVRS600 These instructions define how...

Page 2: ...orization Page 2 23 Table of contents 1 TELMA ORIGINAL SPARE PART NEEDED 3 2 SAFETY PRECAUTIONS 4 3 NECESSARY TOOLS 5 4 PARTS TO BE REPLACED SYSTEMATICALLY 5 5 NOTES 5 6 DISMANTLING 6 a REMOVAL OF ROT...

Page 3: ...D Hub assembly See spare parts catalogue for reference For any spare parts orders it is necessary to specify the part number of the retarder its serial number and the model You will find the necessary...

Page 4: ...r electrical danger to personnel The no respect of this warning can cause serious injuries The repair methods described by TELMA SA in this document are based on the technical specifications in effect...

Page 5: ...s need to be changed End shaft screws washers shims and lock tabs Screws used to secure hub Screws used to secure retarder fixation pads Screws used to secure pole shoes plate Air gap adjusting shims...

Page 6: ...Identify all parts before dismantling in order to find their initial orientations during the re assembly 1 A 1 B 1 C 1 D Draw a mark with an ink marker on a rotor Draw a same mark on the other rotor...

Page 7: ...F 1 G 1 H On a retarder side remove the lock tab by using a flat screwdriver and a hammer Caution In order to avoid the springiness suppress the stress in the tab by tapping on one side and by removi...

Page 8: ...disclosed without TELMA s authorization Page 8 23 1 I 1 J 1 K 1 L Remove the rotor with its coupling flange Remove the dust shield from the shaft line Remove air gap adjusting shims and the black shi...

Page 9: ...emove the 3 screws securing the hub on gearbox side Use a Torx TX40 wrench Install two wood bars for toggling the retarder on them axle side up The wood pieces must be thick enough in order that the s...

Page 10: ...n Page 10 23 2 E 2 F 2 G 2 H Remove the 15 screws 4 8 3 securing the pole shoes plate to fixation pads poles and hub Use a Torx TX40 wrench to unscrew the 15 screws View of the retarder toggled on the...

Page 11: ...picture 2 K Specific operations in case of hub replacement on AF5 retarder 2 I 2 J 2 K 2 L Lift and remove completely the pole shoes plate Don t remove the spring washer on top of each coil View of th...

Page 12: ...B 3 A 3 B 3 C 3 D Screw by hand a screw in the shaft line in order to facilitate hub removal Pull on the screw by hand to help removing the hub When removing hub be careful not to damage the coils and...

Page 13: ...ther forwarded to an outsider printed reproduced or disclosed without TELMA s authorization Page 13 23 3 E 3 F Clean poles with abrasive cloth Use abrasive cloth 120 grade On pole shoes plate clean th...

Page 14: ...ION OF THE NEW COMPLETE HUB 4 A 4 B 4 C 4 D Take the new complete hub Screw by hand a screw in the shaft line axle side in order to facilitate hub installation Orient the hub at the correct position f...

Page 15: ...horization Page 15 23 4 E 4 F 4 G 4 H On gearbox side by going under the stator screw by hand completely 3 new screws in order to secure the hub View of the 3 screws under stator gearbox side Check th...

Page 16: ...tarder LVRS600 please go directly to the picture 4 L Specific operations in case of hub replacement on AF5 retarder 4 I 4 J 4 K Check that the Vistop lock washer steel is at 8 to 10 mm of the head scr...

Page 17: ...wedge the spring washers with the poles during toggling Put in place by hand 15 new screws Put the 4 screws to the fixation pads 1st Put the 3 screws to the hub Put the 8 screws to the pole shoes Tig...

Page 18: ...e retarder in a vertical position Turn the retarder in order to have the gearbox side in front of you vent cap in front of you Tighten the 3 screws of the hub at the nominal torque 25 Nm 20 18 lb ft 2...

Page 19: ...Toggle the retarder and put it in a vertical position Retarder in a vertical position Axle side Axle side Toggle again the retarder axle side up to the wood bars in order to check the stator run out...

Page 20: ...f the shaft line put in place a new black shim and new air gap adjusting shims with a thickness similar to the shims removed on operation 1 K NB The black shim has to be first installed and its presen...

Page 21: ...f the rotors by using a magnetic dial gauge and a sensor Maximum value allowed is 0 28 mm Nota In case the maximum value is up to 0 28mm contact TELMA technical department Measure air gaps by using a...

Page 22: ...he end shaft screws and remove the end shaft plates Install 2 new end shaft screws and a new end shaft plate Apply a tightening torque value of 30 Nm 20 22 lb ft 20 alternately on these 2 screws and 2...

Page 23: ...6jh This document is TELMA s property It cannot be either forwarded to an outsider printed reproduced or disclosed without TELMA s authorization Page 23 23 6 M Check that the lock tabs are well placed...

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