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Installation and Operational Instructions for EAS

®

-compact

®

 

 

Ratchetting clutch,  Type 49_._ _0._ 

Sizes 01 to 3

 

Synchronous clutch, Type 49_._ _5._ 

Sizes 01 to 3

 

(B.4.14.EN)

 

17/03/2021 TK/NU/GC/GF/SU 

 

Chr. Mayr GmbH + Co. KG

 

 

Eichenstraße 1, D-87665 Mauerstetten, Germany

 

 

Phone: +49 8341 804-0, Fax: +49 8341 804-421

 

Page 22 of 22 

www.mayr.com

E-Mail

[email protected]

 

 

Malfunctions / Breakdowns Type 496._ _ _._ 

Result of 

Malfunction 

Possible Causes 

Solutions 

Changes 

in running noise  

and / or  

vibration  

occurrence 

Incorrect alignment, incorrect installation 

1) 

Set the system out of operation 

2) 

Find / resolve the cause of incorrect alignment 

3) 

Check the clutch for wear 

Loose connecting screws,  

minor fretting corrosion under the screw 

head and on the disk pack 

1) 

Set the system out of operation 

2) 

Check the clutch parts and replace if damaged 

3) 

Tighten the connecting screws to the specified torque 

4) 

Check the alignment and correct if necessary 

Tensioning screws or locking set screw 

for axial securement of the hubs are 

loose 

1) 

Set the system out of operation 

2) 

Check the clutch alignment 

3) 

Tighten the tensioning and clamping screws for axial hub 
securement to the required torque or  
tighten the locking set screw and secure it against self-loosening 
using sealing lacquer 

4) 

Check the clutch for wear 

Disk pack  

breakage 

Disk pack breakage due to high load 

impacts / 

overload 

1) 

Set the system out of operation 

2) 

Dismantle the clutch and remove the remainders of the disk 
packs 

3) 

Check the clutch parts and replace if damaged 

4) 

Find the cause of overload and remove it 

Operating parameters are not 

appropriate for the clutch performance 

1) 

Set the system out of operation 

2) 

Check the operating parameters and select a suitable clutch 
(observe installation space) 

3) 

Install a new clutch 

4) 

Check the alignment 

Incorrect operation of the system unit 

1) 

Set the system out of operation 

2) 

Dismantle the clutch and remove the remainders of the disk 
packs 

3) 

Check the clutch parts and replace if damaged 

4) 

Train and advise operating personnel 

Disk packs / 

connecting screws 

cracks  

or breakage 

Drive vibrations 

1) 

Set the system out of operation 

2) 

Dismantle the clutch and remove the remainders of the disk 
packs 

3) 

Check the clutch parts and replace if damaged 

4) 

Check the alignment and correct if necessary 

5) 

Find the cause of vibration and remove it 

 

 

Please Observe!

 

mayr

 

®

 will take no responsibility or guarantee for replacement parts and accessories which have not been delivered by 

mayr

 

®

, or for damage resulting from the use of these products. 

 

Summary of Contents for EAS-compact 49 0 Series

Page 1: ..._ _ _ Page 8 Technical Data Type 494 _ _ _ _ Page 9 Technical Data Type 496 _ _ _ _ Page 10 Design Scope of Delivery State of Delivery Function Page 11 Output Elements Installation Page 12 Cup Spring...

Page 2: ...ry Without a conformity evaluation this product is not suitable for use in areas where there is a high risk of explosion This statement is based on the ATEX directive DANGER If the EAS clutches are mo...

Page 3: ...GmbH Co KG Eichenstra e 1 D 87665 Mauerstetten Germany Phone 49 8341 804 0 Fax 49 8341 804 421 Page 3 of 22 www mayr com E Mail public mayr mayr com Fig 1 Stroke Type 494 _1_ _ Type 494 _0_ _ Type 494...

Page 4: ...Cap screw 8 Steel ball 26 Set screw 9 Cup spring 10 Hexagon head screw 1 Additional parts for Type 496 10 1 Cap screw page 17 Figs 12 13 Item Name 11 Hexagon head screw 27 Intermediate flange 12 Limi...

Page 5: ...0 Table 3 Type 49_ 5_ _ _ Type 49_ 6_ _ _ Type 49_ 7_ _ _ Type 49_ 8_5 _ Size Maximum torque MG Nm Inspection dimension a 3 Figs 11 12 at approx 70 MG mm Maximum torque MG Nm Inspection dimension a 3...

Page 6: ...upling Type 493 Nominal torque TKN steel bellows coupling Type 493 Nm Bores steel bellows side Type 493 _1_ _ mm Type 493 _2_ _ mm Type 493 _3_ _ mm Size Axial K a mm Radial K r mm Angular K w 01 0 4...

Page 7: ...inal and maximum torques flexible backlash free shaft coupling TKN and TK max Type 494 _ _ _ 3 yellow elastomeric element 92 Sh A Type 494 _ _ _ 4 red elastomeric element 98 Sh A Type 494 _ _ _ 6 gree...

Page 8: ...20 22 24 25 28 30 32 01 34 36 43 45 50 54 57 63 0 79 83 91 100 104 116 124 133 1 83 91 100 104 116 124 133 2 208 228 248 3 Size 35 38 40 42 45 48 50 52 55 01 0 145 1 145 158 166 174 187 2 280 315 340...

Page 9: ...0 25 45 25 42 150 225 1 25 45 16 32 300 450 2 40 60 25 50 650 975 3 45 70 30 55 1100 1650 Table 14 Transmittable torques Nm on shrink disk hubs frictional locking Type 496 _1_ _ dependent on bore suit...

Page 10: ...ke 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 T...

Page 11: ...ch pressure flange 2 The EAS compact with a long protruding hub Type 490 _ _ _ 1 Fig 2 is recommended for extremely wide output elements or for elements with small diameters On very small diameters th...

Page 12: ...nto both shaft ends using a suitable device and bring it them into the correct position Tighten the tensioning screws 11 of the cone bushing 13 in 2 steps cross wise and then in 3 to max 6 tightening...

Page 13: ...ger of bellows deformation Fig 6 Joining Both Clutch Components 1 23 for Type 494 _ _ _ _ Figs 1 and 6 The flexible elastomeric element 22 is pre tensioned between the metal claws by joining component...

Page 14: ...6 10 and 15 refer to clutch operation at nominal torque an ambient temperature of 30 C and an operating speed of 1500 rpm If the clutch is operated in other or more extreme operating conditions pleas...

Page 15: ...he installed cup springs 9 are operated in the negative range of the characteristic curve see Fig 9 this means that a stronger pre tensioning of the cup spring results in a decrease of the spring forc...

Page 16: ...ting nut 5 clockwise causes a reduction in torque Turning it anti clockwise causes an increase in torque You should be facing the adjusting nut 5 as shown in Fig 10 Adjusting the torque for standard a...

Page 17: ...an increase in torque You should be facing the adjusting nut 5 1 as shown in Fig 13 Adjusting the torque for adjusting nut with radial clamping a Please convert the required torque using the formula b...

Page 18: ...inspection Inspection of the shaft hub connection Inspection of the screw tightening torques The specified tightening torques Table 5 must be maintained Inspection of the set torque Clutch release ins...

Page 19: ...urement 1 Set the system out of operation 2 Check the clutch securement 3 Check the screw tightening torques 4 Check the torque adjustment and that the adjusting nut sits securely 5 If the cause of ma...

Page 20: ...ration 2 Check the clutch alignment 3 Tighten the tensioning and clamping screws for axial hub securement and the connection screws to the required torque or tighten the locking set screw and secure i...

Page 21: ...lignment and correct if necessary 6 Make sure that further physical changes to the elastomeric element can be ruled out The ambient or contact temperatures permitted for the elastomeric element are ex...

Page 22: ...torque or tighten the locking set screw and secure it against self loosening using sealing lacquer 4 Check the clutch for wear Disk pack breakage Disk pack breakage due to high load impacts overload...

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