Constructive
description
04/2015
S.
33
5.2.3.
Funnel
extension:
If
the
machine
is
used
in
a
complete
system
it
is
often
fitted
with
a
funnel
extension
for
height
regulation.
Fig.
36:
standard
funnel
Installation
of
the
funnel
may
only
be
undertaken
by
skilled
staff.
The
funnel
contains
•
light
barrier
level
control
(1)
•
inspection
flap
(optional)
o
safety
switch
(2)
o
&
inspection
window
(3)
Fig.
37:
standard
funnel
5.3.
Hydraulic
system
The
hydraulic
system
provides
the
hydraulic
pressure
required
for
compacting
the
material
by
means
of
the
press
body.
The
electrically
driven
hydraulic
pump,
a
gear
pump,
provides
the
necessary
operating
pressure
to
the
hydraulic
system.
The
hydraulic
system
is
operated
at
a
pressure
of
max.
200
to
265
bar,
depending
on
the
type
machine.
A
valve
is
fitted
as
an
overload
protection
which
protects
the
hydraulic
system
from
excessive
pressure.
•
Unit
consisting
of
•
hydraulic
pump
(1),
•
hydraulic
tank
(2),
•
filter
unit
(3),
•
valve
block
(4),
•
Tank
cap
with
venting
valve
(5),
•
pressure
gauge
(6)
•
Oil
sensor
/
temperature
•
hydraulic
pipes
&
hydraulic
hoses
•
hydraulic
cylinder,
press
body
•
hydraulic
cylinder,
needle.
•
Optional
•
oil
cooler
•
oil
heater
Details
on
care
and
maintenance
can
be
found
in
chapter
Maintenance.
Fig.
38:
hydraulic
unit
2
3
1