Danfoss Series 42 Manual de servicio - Página 2
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Service
Manual
Series
42
Axial Piston
Closed
Circuit
Pumps
Initial
Start-Up Procedure
General
Start-up procedure
Follow
this
procedure when
starting-up
a
new
Series
42
installation
or
when restarting
an
installation
in
which
the
pump
has
been removed.
,.S
Warninq
Unintended
mcvement
of
the
rnachine or mechanism
may cause
injury to the technician or
bystanders.
To
protect
against
unintended
movement,
secure
the
machine or disable/disconnect
the
mechanism
while
servicinq.
Prior
to
installing
the
pump, inspect for damage incurred
during
shipping.
Make
certain
all system
components
(reservoir,
hoses,
valves,
fittings,
heat exchanger,
etc.) are clean
prior to
filling with fluid.
1. Connect
the
pump to
the
prime mover.
Ensure
that
pump shaft
is
properly aligned
with
the
shaft
of
the
prime mover.
r&
fautior.r
Incorrect sltaft
alignment
may result
in
damage
to
drive shaft,
bearings, or
seal
which
can
caLtse
external oil
leakage.
2.
Fill
the
reservoir
with
recommended hydraulic fluid.
Always
filter fluid through
a
10
micron absolute
filter pouring
into the reservoir.
Never reuse
hydmulic
fluid.
3.
Fill
the
main
pump
housing
with
clean
hydraulic fluid.
Pour
filtered
oil directly into the upper most
case
drain port.
4.
Fill
the
inlet line leading from
the
pump
to the
reservoir. Check
the
inlet
line
for properfy
tightened
fittings
and
be
certain
it
is
free of restrictions and
air
leak.
5.
To ensure
the
pump
stays
filled with
oil,
install
the
case
drain line
in
the
upper most
case
drain port.
6.
Install
a
gauge at
port
M2
to monitor
system pressure
during
start up.
Follow recommendations
in
the vehicle/machine operator's
manualfor
prime mover start up
procedures.
7.
While watching
the
pressure
gauge
at
M2,
jog the
prime mover or run
at
the lowest possible
speed
until
system
pressure
builds
to
normal
levels
(minimum
1
1
bar
tl60
psil). Once system pressure
is
established,
increase
to
full
operating
speed. lf
the
pump does
not
maintain
system pressure,
shut
down the
prime mover, determine
cause,
and
take corrective action.
Refer
to
Troubleshooting.
8.
Operate
the
hydraulic
system
for
at least
fifteen
minutes under
light
load conditions.
9.
Check
and adjust control settings
as
necessary
after installation.
Refer
to
Adjustments.
10.
Shut
down
the prime mover and remove
the
pressure
gauge.
Replace
plug at
port
M2.
11.
Check
the
fluid
level
in
the
reservoir add
clean
filtered fluid
if
necessary.
The
pump
is
now readyfor
operation.
52010638
.
Rev
0300 . July
20'15