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VARVEL

IUM

MAINTENANCE SCHEMES

VARIATORS SERIES VR
Friction ring replacement

Friction ring replacement of variators VR VARVEL-ATEX must be carried out by appointed Service Centres .

•

Unscrew the nuts (44) and remove the motor

•

Unscrew the screws (01) and remove motor flange (02)

•

Unscrew the screws (03) and remove the seal plate (04) and the bellows seal (40)

•

Unscrew the screws (13) and turn the hand wheel together with the shaft until the full disengagement is achieved

•

Unscrew the screws (18) and pull off the slides (10) to disengage the cone (07) with its support (39) and bearings

(05)

•

Pull off the driving flange (34)

•

Push outwards the used friction ring (35) from its seat, same as shown in Fig. 2

•

Certainly, the hits will damage the friction ring to remove and therefore clean carefully the seat before fitting the new

friction ring

•

Fit the new friction ring according to Fig. 3: the fit assembling needs accurate centred pressure and parallel

adjustment

•

Re-assembling of the variator classified ATEX provides for Loctite 281 sealing of screws (01), (03), (13) and sealing

checking with air pressure test (40 mbar for 40 seconds)

Correspondence among Materials, Dangerous Zones and Categories (according to Directive 94/9/CE)

Products VARVEL-ATEX to not supply

MATERIALS

DANGEROUS ZONES

Содержание RC series

Страница 1: ...WORKING INSTRUCTIONS AND MAINTENANCE ACNH B V http www wentellagers nl...

Страница 2: ...AINTENANCE SPEED REDUCERS RC Helical Gearboxes RD Helical Gearboxes RP Helical Gearboxes RS Worm Gearboxes RT Worm Gearboxes XA Helical Gearboxes VARIATORS VR Mechanical dry friction VR D RC RD RS RT...

Страница 3: ...NCE 14 6 1 Intervals 14 6 2 Maintenance Service 14 7 MALFUNCTIONING 15 7 1 Major Events 15 7 2 Customers Service 15 8 LUBRICANTS 16 8 1 Recommended Types 16 8 2 Quantity Series RC RD 16 8 2 Quantity S...

Страница 4: ...carrier 2 4 Long Term Storage Stocked units must be kept in dry warehouse and dust free For storage longer than 3 months apply antioxidants on the shafts and machined surfaces paying special attention...

Страница 5: ...tification of spare parts is sent to the appropriate Catalogue MRC 01 Oilseal 19 Bearing 02 Housing 20 Bearing 03 Key 21 Pinion 04 Output shaft 22 Key 05 Key 23 Gear 06 Bearing 24 Bearing 07 Spacer 26...

Страница 6: ...ct identification of spare parts is sent to the appropriate Catalogue MRD 01 Input cover 55 Spacer 02 Hollow input 65 Bearing 04 Pinion 66 Bearing 15 Bearing 67 Bearing 16 Bearing 68 Bearing 20 Oilsea...

Страница 7: ...e FRP and FXA The exact identification of spare parts is sent to the appropriate Catalogue MRP or MXA 01 Housing 12 Oilseal 02 Circlip 13 Pinion 03 Oilseal 15 Bearing 04 Output shaft 16 Bearing 06 Scr...

Страница 8: ...box type FRS The exact identification of spare parts is sent to the appropriate Catalogue MRS 01 Housing 63 Bearing 04 Side cover 80 Oilseal 07 Flange IEC 81 Oilseal 31 Worm wheel 82 Oilseal 50 Worm s...

Страница 9: ...box type FRT The exact identification of spare parts is sent to the appropriate Catalogue MRT 01 Housing 63 Bearing 04 Side cover 80 Oilseal 07 Flange IEC 81 Oilseal 31 Worm wheel 82 Oilseal 50 Worm s...

Страница 10: ...ter type TLI fitted inside a worm gearbox MRS or MRT The exact identification of spare parts is sent to the appropriate Catalogue TL 01 Lock nut 08 Hollow output shaft 02 Bellville washer 10 Cover 03...

Страница 11: ...t flange 05 Bearing 27 Spacer 06 Spacer 28 Bearing 07 Cone 30 Oilseal 09 Housing 31 Index scale 10 Cylindrical slide 33 Spring 14 Control hand wheel 34 Driving flange 15 Control shaft lock 35 Friction...

Страница 12: ...product for cleaning does not came in contact with sealing lips of oilseals to avoid any damage and lubricant leakages 4 4 Set up The unit may be connected for clockwise or counter clockwise rotation...

Страница 13: ...are delivered already filled with synthetic long life oil no servicing or refilling within the average lifetime of 15 000 hours for operation according to SF1 0 Refer to the Catalogues as appropriate...

Страница 14: ...check to monitoring any lubricant leakage Every 3000 working hours or every 6 months Oilseal check and replacement if considerably used Every 5 years Replace synthetic oil VARIATORS For variators VR o...

Страница 15: ...Contact Customer Service No rotation of output shaft Internal connection cut off Contact Customer Service Series VR Friction ring end of life Replace the friction ring See the following Section Fricti...

Страница 16: ...RC105 0 05 0 65 0 05 RC205 0 13 0 15 0 15 RC305 0 17 0 30 0 30 RC110 0 10 0 13 0 10 RC210 0 17 0 25 0 17 RC310 0 25 0 50 0 35 RC120 0 17 0 25 0 17 RC220 0 50 0 60 0 50 RC320 0 60 0 80 0 60 RC130 0 30...

Страница 17: ...0 35 70 150 0 35 4 40 80 85 0 10 0 63 80 110 0 10 1 50 130 0 20 2 75 150 0 20 4 40 l Litres FRS l1 l2 Litres FXA FRS l3 l4 Litres FRS FRS RT RT l TA l1 l2 RT RT l3 l4 28 0 03 63 40 0 04 0 08 28 28 0 0...

Страница 18: ...ration 9 2 Prevalent Use VARVEL ATEX gearboxes and variators are identified like components fundamental but without any autonomous function to operate units and protection systems for production trans...

Страница 19: ...sts it is mandatory the regular cleaning to avoid any accumulation of dust layers on product surfaces The variators series VR to run in category 2GD or 3GD with overload possibilities must be put into...

Страница 20: ...se the not ermetic sealing of variator and the IP66 protection level Speed control device adjustment The above set up distance gives six pulses for each friction ring revolution Speed control device m...

Страница 21: ...Trigger Source Control b Tamb Ambient Temperature c Construction Safety c ATEX 03XX Deposited Technical File Ref No k Dipping in liquid k IP66 Protection 9 7 Maintenance Servicing The rigorous observa...

Страница 22: ...h outwards the used friction ring 35 from its seat same as shown in Fig 2 Certainly the hits will damage the friction ring to remove and therefore clean carefully the seat before fitting the new frict...

Страница 23: ...tecnico were deposited at the Notified Body of Tech nical File Deposit Firma autorizzata Funzione Presidente Authorized Signature Function President Luogo e data dell emissione Place and Date of Issu...

Страница 24: ...24 ACNH B V http www wentellagers nl...

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