WORKING INSTRUCTIONS AND MAINTENANCE ATEX MANUAL

Experience at the service of innovation The Varvel Group has been designing and producing power transmission systems for numerous areas of industry since 1955. “Know-how to do it”: Varvel has the know-how needed to satisfy customers’ requests in the best way possible. Thanks to over sixty years of accumulated experience, Varvel can offer customers a vast range of standard solutions and customise products for specific needs. The entire product range is designed and made in Italy and sold worldwide through two subsidiaries (in the USA and India) and a global network of over 100 commercial partners....

IUM - WORKING INSTRUCTIONS AND MAINTENANCE - ATEX MANUAL

Working Instructions & Maintenance General Information - Safety Warnings - Product Layout GENERAL INFORMATION Varvel speed reducers and variators are not in the field of application of the Machinery Directive 2006/42/CE as considered “machinery components”. Guide of Machinery Directive - § 35 - decrees: "The Machinery Directive does not apply directly to machinery components, such as, for example, valves, hydraulic cylinders or gearboxes, that do not have a specific application as such but are intended to be incorporated into machinery, although the design and construction of such components...

“G” Working Instructions & MaintenanceFlexible coupling “ A) Reducer half-coupling - Material: steel alloy - One piece built-in input shaft - Two bearing mounting - Unchanged casing dimensions B) Spider - Material: Thermoplastic Elastomer IXEF® - Polyarylamide - Hardness : 90 Shore D - Temperature -30/+135° C(-22/+275°F) - External tooth connection The flexible coupling “G” is supplied as standard fitting on the Series RD, RN, RO, RV, RP, RS, RT. C) Motor half-coupling - Materials: Aluminium die cast (G3, G5, G6) Alloy steel (GS3, GS5, GS6, GS8) - Dynamic balancing - Fitting: Clamp (G3, G5,...

Working Instructions & Maintenance RC-2Series RC - 2 stages The layout shows the general structure of a two-stage foot-mounted helical gearbox type FRC (sizes 05 to 30). Ask for part list of other sizes 40 to 60, flanged output, input solid shaft and four stage executions. Oil seal Housing Key Output shaft Key Bearing Spacer Gasket Bearing Pinion Key Hollow input Bearing Bearing Pinion Key Gear Bearing Bearing Gear IEC input cover Hollow input Oil seal

RC-3 Working Instructions & Maintenance Series RC - 3 stages The layout shows the general structure of a two-stage foot-mounted helical gearbox type FRC (sizes 05 to 30). Ask for part list of other sizes 40 to 60, flanged output, input solid shaft and four stage executions. Spacer (RC40, 50, 60) Gear Housing Gasket Parallel pin Input cover Circlip Pinion Key Input hollow shaft, stud Circlip Oil seal Output shaft Intermediate housing Circlip Key Pinion Parallel pin Gasket Bearing Bearing Pinion

Working Instructions & Maintenance RD-2Series RD - 2 stages The layout shows the general structure of a two-stage foot-mounted helical gearbox type FRD. Ask for part list of flanged output and input solid shaft. Input cover Hollow input IEC Hollow input “G” 3rd stage shaft Pinion Gear Bearing Bearing Bearing Bearing Spacer Oil seal Gear Spacer Circlip Bearing Bearing Bearing Bearing Oil seal Gasket Motor Flange

RD-3 Working Instructions & Maintenance Series RD - 3 stages The layout shows the general structure of a three-stage Ask for part list of flanged output and input solid shaft. foot-mounted helical gearbox type FRD. Input cover Hollow input IEC Hollow input “G” 3rd stage shaft Pinion Gear Bearing Bearing Bearing Bearing Spacer Oil seal Pinion Gear Housing Upper cover Output shaft Pinion Gear Spacer Spacer Bearing Bearing Bearing Bearing Oil seal Gasket Motor flange

Working Instructions & Maintenance Series RG - 1 stage The layout shows the general structure of a one-stage planetary gearbox type FRG. Ring gear body Motor flange Planet gear Needle bearing Input flange Planet shaft Planet carrier Clamp coupling Snap ring Input shaft

Working Instructions & Maintenance Series RG - 2 stages The layout shows the general structure of a two-stage planetary gearbox type FRG. Ring gear body Snap ring Motor flange Planet gear Needle bearing Input flange Planet shaft Snap ring Planet carrier Planet gear Clamp coupling Needle bearing Planet shaft Input shaft Planet carrier

Working Instructions & Maintenance Series RN - 2 stages The layout shows the general structure of a two-stage parallel shaft gearbox type FRN with through hollow output shaft. Ask for part list of flanged output and input solid shaft. Input flange Snap ring Snap ring Input shaft Snap ring Snap ring Snap ring Output shaft

RN-3 Working Instructions & Maintenance Series RN - 3 stages The layout shows the general structure of a two-stage parallel shaft gearbox type FRN with through hollow output shaft. Ask for part list of flanged output and input solid shaft. Motor flange Oil seal Snap ring Bearing Input shaft Bearing Pinion Cover Bearing Gear Spacer Key Shaft Bearing Snap ring Pinion Oil seal RCA Snap ring Bearing Pinion Key Bearing Spacer Gear Snap ring Oil seal Snap ring Bearing Spacer Gear Output shaft Key Body Bearing Snap ring Oil seal

Working Instructions & Maintenance RO-2 Series RO - 2 stages The layout shows the general structure of a two-stage bevel/helical gearbox type FRO with through hollow output shaft. Ask for part list of flanged output and input solid shaft. Motor flange Input shaft Oil seal Circlip Spacer Bearing Gleason pinion Oil seal Circlip Bearing Spacer Gleason gear Spacer Key Pinion Housing Bearing Circlip Oil seal Oil seal Circlip Bearing Output shaft Key Gear Circlip Bearing Circlip Oil seal Plug Cover Screw Gasket

Working Instructions & Maintenance Series RO - 3 stages The layout shows the general structure of a three-stage bevel/helical gearbox type FRO with through hollow output shaft. Ask for part list of flanged output and input solid shaft. Motor flange Output shaft Snap ring Snap ring Input shaft Snap ring Snap ring Snap ring Snap ring