5.2 Assembling the coupling
NOTICE
Property damage
Damage to the elastomer components from cleaning agents.
● Ensure that the elastomer components do not come into contact with cleaning agents.
NOTICE
Property damage
Damage to the shaft end, the coupling parts and/or the parallel key.
● Note the following handling instruction.
Procedure
1. Unscrew the set screw until it is no longer possible for there to be a collision with the parallel
key or the shaft.
2. Clean the bores and shaft ends.
3. Coat the bores of coupling parts 1 (1) and 2 (2) or 4 (4) and the shafts with MoS
2
assembly
paste (e.g. Microgleit LP 405).
4. If you have dismantled the coupling part 3 (3), mount the coupling part 3 (3) on the shaft
before fitting the coupling part 2 (2).
5. Mount the coupling parts 1 (1) and 2 (2) or 4 (4) on the shaft.
Note
Coupling parts with conical bore
Mount the coupling parts 1 (1) and 2 (2) or 4 (4) with conical bore and parallel keyway on
the shaft in cold condition. Secure the coupling parts with suitable end plates without pulling
the coupling parts further onto the cone (fitting dimension = 0).
Note
Coupling parts with cylindrical bore
To make assembly easier, you can heat coupling parts 1 (1) and 2 (2) or 4 (4) with cylindrical
bore up to a maximum of 150 °C if required. Note when doing this the temperature range
of the flexible elements (12) (see sections N-EUPEX flexible elements (12) (Page 65)and
N-EUPEX DS flexible elements (12) (Page 66)). Remove the flexible elements (12) if
necessary. Protect adjacent components against damage and heating to temperatures
above 80 °C.
6. Secure the coupling parts 1 (1) and 2 (2) or 4 (4) with a set screw or an end plate. When
securing with a set screw the shaft must not protrude or be set back from the inner side of
the hub.
Assembly
5.2 Assembling the coupling
N-EUPEX / N-EUPEX DS 3100en
30 Operating Instructions 10/2017
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