ROTEX
®
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
40210 EN
24 of 27
23
Please observe protection
note ISO 16016.
Drawn:
2019-07-02 Pz/Wb
Replacing:
KTR-N dated 2017-09-06
Verified:
2019-07-23 Pz
Replaced by:
In case of backlash > X mm, the flexible spider/DZ elements must be replaced.
The general condition of the coupling can both be monitored at standstill and during operation. If the coupling is
tested during operation, the operator must ensure an appropriate and proven test procedure (e. g. stroboscopic
lamp, high-speed camera, etc.) which is definitely comparable to testing at standstill. Should any distinctive
features arise, testing must be performed with the machine at standstill.
Reaching the limits for replacing depends on the operating conditions and the existing operating parameters.
!
In order to ensure a long service life of the coupling and avoid risks with the use in
potentially explosive atmospheres, the shaft ends must be accurately aligned.
Please absolutely observe the displacement figures indicated (see table 11 to 13). If the
figures are exceeded, the coupling will be damaged.
Illustration 18: Inspection of the limit of wear
Illustration 19: Wear of spider
Table 14:
Size
Limits of wear (friction)
Size
Limits of wear (friction)
X
max.
[mm]
X
max.
[mm]
9
2
65
5
14
2
75
6
19
3
90
8
24
3
100
9
28
3
110
9
38
3
125
10
42
4
140
12
48
4
160
14
55
5
180
14
10
Enclosure A
Advice and instructions regarding the use in
potentially explosive atmospheres
10.3 Standard values of wear
