When installing the V ring, proceed in the same way as when installing the labyrinth ring.
1. Grease the axial sealing surface. The shaft seating remains ungreased.
2. Push the V ring ② onto the shaft.
The correct axial position of the V ring for the design with grease chamber has been reached
if the V ring sits approx. 0.2 mm behind the edge of the shaft heel. This position is the result
of installing the labyrinth sealing ring.
① Felt ring ③ Labyrinth sealing ring
② V ring ④ Grease chamber
Figure 9-6 Roller-contact bearing with grease chamber (schematic diagram)
See also
Install the V ring (Page 125)
9.2.8.7 Installing the labyrinth sealing ring
The labyrinth sealing ring is the last component to be fitted when fitting the roller-contact
bearing. It ensures degree of protection IP65 and prevents the penetration of dirt and foreign
bodies into the roller-contact bearing.
1. Apply a soluble adhesive to the three set screws such as Loctite 243) and screw them
partially into the labyrinth sealing ring.
2. Apply an corrosion protection paint to the shaft in the area of the labyrinth sealing ring.
Maintenance
9.2 Corrective Maintenance
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017 127
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