EMERGENCY
DEVICE
73
MUX20JP021602
Boom
Lift
Models X20JPLUS
10.3.SOLENOID
VALVES
FOR
EMERGENCY
DESCENT
The
cylinders
of
the
first
‐
second
booms,
of
the
third
boom
and
the
JIB
have
a
so
‐
lenoid
valve
for
emergency
descent.
Activating
the
emergency
descent
button
on
the
remote
control
energises
these
solenoid
valves,
which
allow
the
descent
of
the
aerial
part
of
the
structure
due
to
gravity.
The
use
of
this
emergency
device
depends
on
the
platform
ʹ
s
electrical
system
being
powered.
10.4.SAFETY
DEVICE
BYPASS
KEY
The
machine
has
a
key
device
that
acts
on
the
electrical
circuit,
bypassing
the
pla
‐
tform
safety
systems.
The
device
is
situated
on
the
cover
of
the
electrical
compo
‐
nents
compartment.
The
use
of
this
selector
switch
is
illustrated
in
the
following
paragraphs
on
how
to
use
the
machine.
Fig.
69
Solenoid
valves
for
emergency
descent
Содержание X20JPLUS
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Страница 202: ...200 Boom Lift Models X20JPLUS WIRING DIAGRAM MUX20JP021602 Fig 185 Lithium...
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