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 4 of 22
Parts List
Parts List (Only use
mayr
®
original parts)
Parts for Type 490.-:
Additional parts for Type 494.-:
Item
Name
Item
Name
1
Hub
20
Cap screw
1)
2
Pressure flange
21
Connection flange
3
Thrust washer
22
Elastomeric element
3)
4
Locking ring
23.1
Shrink disk hub
5
Adjusting nut
23.2
Clamping hub
5.1
Adjusting nut (page 17 / Figs. 12/13)
23.3
Key hub
6
Deep groove ball bearing
24
Cap screw
7
Locking ring
25
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
Limit switch
2)
28
Connection flange
13
Cone bushing
29
Cap screw
1)
14
Type tag
30
Cap screw
1)
31
Hexagon head screw
Additional parts for Type 493.-:
32
Hexagon head screw
Item
Name
33
Washer
15
Cap screw
1)
34
Hexagon nut
16.1
Steel bellows with hub for cone bushing
35
Disk pack
16.2
Steel bellows with hub for key
36
Shrink disk hub
16.3
Steel bellows with clamping hub
36.1
Shrink disk
17
Cone bushing
36.2
Hexagon head screw
18
Hexagon head screws
37
Key hub
19
Cap screw
37.1
Set screw
38
Clamping hub
38.1
Cap screw
39
Connection plate
1)
Secure the screws Items 10, 15, 20, 29 and 30 with Loctite 243
2)
The limit switch Item 12 is not part of the standard scope of delivery
3)
Elastomeric element colours (hardness): red (98 Sh A), yellow (92 Sh A), green (64 Sh D)
