11
1
EN
EN
○
All relevant persons (e.g., operating per-
sonnel, supervisors) must be informed
of the activity prior to starting any work.
Precautionary operational measures and
work instructions must be observed.
○
Ensure through suitable measures that
movable or detached parts are immobi-
lized during the work and that no limbs
can be caught in between by inadvertent
movements.
○
Assemble the product only outside of the
operating range of moving parts, at an
adequate distance from sources of heat
or cold.
○
Prior to performing work, the product
and the machine or system in which the
product is or will be integrated must be
depressurized and secured against un-
authorized activation.
○
Carry out all works on electrical compo-
nents using voltage insulated tools only.
○
Ensure proper grounding of the product.
○
Undertake drilling at non-critical, non-
load bearing parts only.
○
Fuses must not be bypassed. Always re-
place fuses by such of the same type.
○
Other units of the superior machine
must not be damaged or impaired in
their function by the installation of the
product.
○
No parts of the centralized lubrication
system may be subjected to torsion,
shear, or bending.
○
Use adequate lifting devices when work-
ing with heavy components.
○
Avoid mixing up or wrong assembly of
disassembled parts. Mark these parts
accordingly.
1.7 Assembly, maintenance, malfunctions, shutdown, disposal
1.8 Intended use
EM-U3
The electromotive change-over device EM-
U3 has been designed for changing over SKF
Duoflex dual-line systems by keeping to the
technical data and conditions stated in these
Instructions.
WS-E
The electromotive way valve EM-U3 has
been designed as a shut-off and way valve
for SKF Duoflex dual-line systems by keep-
ing to the technical data and conditions
stated in these Instructions.
1. Safety instructions
