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Installation and Operational Instructions for

 

EAS

®

-dutytorque  Type 404_._ _400

 

Sizes 2 

– 9 

(B.4.3.1.ATEX.EN)

 

06/10/2016 TK/GH/SU

 

Chr. Mayr GmbH + Co. KG

 

 

Eichenstraße 1, D-87665 Mauerstetten, Germany

 

 

Tel.: +49 8341 804-0, Fax: +49 8341 804-421

 

Page 15 of 15 

www.mayr.com

E-Mail

info@mayr.com

 

 

Declaration of Conformity 

 
According to the EU Directive on the harmonisation of the laws of the Member States concerning devices and protective systems intended 
for use in areas where there is a danger of explosion (ATEX) 2014/34/EU, we: 
 

Chr. Mayr GmbH + Co. KG 

Eichenstraße 1 

D-87665 Mauerstetten 

 
hereby declare that the product described in these Installation and Operational Instructions 
 

EAS

®

-dutytorque 

Type 4043._ _403X 

Sizes 2, 3, 4, 5, 6, 7, 8, 9 

 
has been developed, constructed and produced by us in accordance with the EU Directive named above. 
 
 
 
 

Applied Standards, Regulations and Inspections (ANVP) 

DIN EN 1127-1: 2011-10 

 

Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology 

DIN EN 13463-1: 2009-07 

 

Non-electrical equipment intended for use in potentially explosive atmospheres - Part 1: Basic method and requirements 

DIN EN 13463-5: 2011-10 

 

Non-electrical equipment intended for use in potentially explosive atmospheres - 

Part 5: Protection by constructional safety “c” 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Mauerstetten, October 06, 2016 

Place / Date 

 

 

Graduate Engineer (FH, University of Applied 

Science) Günther Klingler 

(Managing Director ppa.) 

 
 

Summary of Contents for EAS-dutytorque 404 0400 Series

Page 1: ...echnical Data of the EAS element Clutch Table 2 Technical Data of the EAS element Clutch Page 6 Table 3 Technical Data of the Flexible Shaft Coupling Table 4 Screw Tightening Torques Page 7 Design Scope of Delivery State of Delivery Function General Installation Guidelines Page 8 Clutch Installation Axial Installation Radial Installation Page 9 Clutch De installation Replacing the Flexible Interme...

Page 2: ... operationally safe at the time of delivery DANGER If the EAS clutches are modified If the relevant standards for safety and or installation conditions are ignored The EAS clutch is permitted for use in areas where there is a danger of explosion For application in Ex areas please observe the special safety related guidelines and directives The product must be especially marked for this area The pr...

Page 3: ...87665 Mauerstetten Germany Tel 49 8341 804 0 Fax 49 8341 804 421 Page 3 of 15 www mayr com E Mail info mayr com Fig 1 Type 4043 _1400 Design with switching disk 14 Fig 2 Type 4043 _1400 Design with switching disk 14 Centering for claw ring Flexible coupling Nor Mex G EAS element clutch Item 17 Elements greasing 2 4 times Item 18 Bearing greasing 2 x 180 Stroke ...

Page 4: ... original parts Item Name Item Name 1 Hub 15 Control flag 2 2 Set screw 16 Cap screw 3 Element flange 17 Cone lubricating nipple elements greasing 4 Hexagon head screw 18 Cone lubricating nipple bearing greasing 5 Pressure flange 19 Eyebolt 6 Overload element 20 Cam ring 7 Bolt 21 Cap screw 8 Thrust piece 22 Locking washer 9 Adjusting nut 23 Flexible intermediate ring 10 Lock washer 24 Claw ring 1...

Page 5: ...170 350 350 700 700 1400 4 700 1400 1400 2800 5 700 1400 1400 2800 2000 4000 6 700 1400 1400 2800 2800 5600 7 3000 6000 6000 9000 8 3000 6000 6000 12000 9 3000 6000 6000 12000 8500 17000 Table 2 Technical Data of the EAS element Clutch EAS elements Maximum speed rpm Bolt stroke on overload mm Maximum bore Ød mm Permitted ambient temperature Sizes Sizes Pcs 2 01 2 4 3 3500 4 90 15 C to 80 C 3 01 2 ...

Page 6: ...7550 10500 2 5 0 3 0 3 8 130 8 9900 14500 2 5 0 3 0 3 8 135 9 14000 20000 2 5 0 3 0 3 8 160 Table 4 Screws Cap screws 21 Hexagon head screws 4 Set screws in the claw ring 24 and in the cam ring 20 in the hub 1 in the claw ring 24 in the hub 1 in the flange hub 26 Sizes Pcs Wrench opening Tightening torque Nm Pcs Wrench opening Tightening torque Nm Pcs Item 25 Pcs Item 2 Pcs Item 28 2 9 x M10 8 40 ...

Page 7: ...e of delivery according to the Parts List as well as the state of delivery immediately after receiving the goods mayr will take no responsibility for belated complaints Please report transport damage immediately to the deliverer Please report incomplete delivery and obvious defects immediately to the manufacturer Function The clutch protects the drive line from excessively high unpermitted torque ...

Page 8: ...e positive locking of the elastomer compensating coupling While doing this please observe the distance dimension S and the permitted misalignment values see Fig 1 page 3 and Table 3 page 6 5 When in position screw the input and output units together Fig 5 CAUTION Press cover Fig 6 is not permitted in ATEX version Danger of ignition Fig 6 Radial Installation 1 Loosen the hexagon head screws 4 in th...

Page 9: ...n page 8 have been carried out If the clutch part between the input and the output shafts is lifted out radially the intermediate ring can be replaced axially For radial de installation steps 1 to 9 in section Checking the Motor Running Characteristics must be carried out and for radial re installation steps 7 to 12 on page 8 must be carried out Checking the Motor Running Characteristics CAUTION N...

Page 10: ...move the cap screws 11 and the lock washers 10 so that the adjusting nuts 9 can be turned Set all overload elements 6 by turning the adjusting nut 9 to the dimension a found in the Adjustment Diagram Secure the adjusting nuts 9 against turning using the lock washers 10 and the cap screws 11 Tighten the cap screws 11 Tighten the countersunk screws 13 via the switching disk 14 and the distance bushi...

Page 11: ...rload are also increased We recommend aligning the clutch to the misalignment values ΔKr ΔKw 0 15 mm using a suitable measuring device e g a laser Please observe additionally the Operational Instructions of the machine manufacturer Maintenance The overload elements 6 are completely enclosed have an initial grease filling The EAS dutytorque clutch is mainly maintenance free Special maintenance work...

Page 12: ...f the clutch Wear on the clutch can lead to changes in the switch off torque or even to clutch blockage The clutch run out time in case of overload must be limited according to the dimensioning to max 3 minutes CAUTION Operation outside of the indicated characteristic data is not permitted There is a danger of clutch destruction and of ignition Torque Adjustment The clutch must only be adjusted wi...

Page 13: ...ust is not permitted Modifications of the clutch are not permitted Maintenance and Inspection Intervals for Clutches in Areas Where There is a Danger of Explosion Re greasing the overload elements 6 via the cone lubricating nipples 17 and the bearings via the cone lubricating nipples 18 at least every 20 overload occurrences or 1x per year with approx 3 4 thrusts of grease approx 5 ccm from a grea...

Page 14: ...her foreign bodies influence the disengagement mechanism function 3 Check the torque adjustment 4 If the cause of malfunction cannot be found the clutch must be inspected at the place of manufacture Disengagement mechanism blocked by a foreign body Worn clutch Running noises on overload occurrence as clutch slows down Bearing is worn or has been previously damaged Bearing heat up to bearing destru...

Page 15: ...cribed in these Installation and Operational Instructions EAS dutytorque Type 4043 _ _403X Sizes 2 3 4 5 6 7 8 9 has been developed constructed and produced by us in accordance with the EU Directive named above Applied Standards Regulations and Inspections ANVP 1 DIN EN 1127 1 2011 10 Explosive atmospheres Explosion prevention and protection Part 1 Basic concepts and methodology 2 DIN EN 13463 1 2...

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