18
EN
3.1 Brief description EM-U3
The EM-U3 is compact powerful. electro-
motive
change-over device for SKF DuoFlex dual-
line systems.
Each of the 3 possible switch positions
A, M and B is detected precisely by its own
magnetic sensor. In the middle position M
lines A and B can be relieved from pressure
during the pause time via return line R. This
increases the lubrication system's compo-
nents' life thanks to lower pressure load and
reduces the bleeding of the lubricant.
The current position of the change-over
cartridge is indicated by the position of the
notch (12) on the axis of the eccentric. To be
able to see the display, first of all the plastic
protection screw must be screwed off. There
are available two versions, a 24 V DC and a
230 V AC version.
Furthermore, a WS-E version is available as
a shut-off and way valve.
A B
P R
M
A M B
M
B
A
12
Change-over cartridge in position M Fig. 2
3. Overview, functional description
Содержание Linkoln EM-U3 Series
Страница 38: ...38 EN 12 2 Flow diagram EM U3 24 V DC Signals EM U3 24 V DC Fig 15 12 Circuit diagrams...
Страница 39: ...39 12 EN 12 3 Circuit diagram EM U3 230 V AC Circuit diagram 230 VAC Fig 16 12 Circuit diagrams...
Страница 40: ...40 EN 12 4 Flow diagram EM U3 230 V AC Signals EM U3 230 VAC Fig 17 12 Circuit diagrams...
Страница 41: ...Notes...
