20
lines.
In
case
that
the
lift
can
not
be
raised
upon
initial
start
up
due
to
trapped
air
inside
the
pump:
unloose
the
maximum
pressure
valve,
in
‐
push
the
button
and
retighten
the
valve
after
trapped
air
has
escaped,
then
raise
the
lift
at
full
height.
z
Lower
the
lift
completely
z
Repeat
raise
and
lower
the
lift
completely
at
least
3
times
to
equalize
the
oil
pressure
in
each
cylinder.
7.7
Check
less
load
During
this
procedure,
observe
all
operating
components
and
check
for
proper
installation
and
adjustment.
DO
NOT
attempt
to
raise
vehicle
until
a
thorough
operation
check
has
been
completed.
Carry
out
two
or
three
complete
cycles
of
lowering
and
lifting
and
check:
z
the
safety
devices
for
proper
operation
z
proper
oil
level
in
the
tank
z
no
leakage
and
blow
‐
by
in
hydraulic
line
z
cylinder
for
proper
operation
z
the
lift
for
reaching
its
maximum
height
7.8
Check
with
load
WARNING:
please
follow
carefully
the
instructions
in
the
coming
paragraph
for
avoiding
damages
on
the
lift.
Carry
out
two
or
three
complete
cycles
of
lowering
and
lifting
and
check:
z
Repeat
the
7.6
section
z
Check
no
strange
noise
during
lifting
and
lowering.
