Maintenance
04/2015
S.
51
7.
Maintenance
7.1.
General
It
is
recommended
on
principle
to
conclude
a
maintenance
agreement
with
PRESTO.
Maintenance
is
then
carried
out
once
a
year
by
our
customer
services.
If
necessary
maintenance
can
be
effected
more
often.
Due
to
the
specialist
knowledge
of
our
customer
service
engineers
causes
of
any
potential
faults
are
identified
and
remedied
early
on.
One
distinguishes
between
maintenance
tasks
that
can
be
performed
by
the
user
/
operator
and
activities
that
may
only
be
performed
by
authorised
technical
specialists.
For
recurring
maintenance
activities
that
are
to
be
performed
by
the
user
/
operator
the
responsibilities
must
be
clearly
defined.
All
maintenance
activities
must
be
documented.
Skilled
persons
are
persons
who,
because
of
their
specialist
training
and
experience,
have
sufficient
knowledge
in
the
field
of
the
machine
used.
The
qualified
person
must
furthermore
be
sufficiently
familiar
with
the
relevant
health
and
safety
regulations,
accident
prevention
regulations,
standards
and
guidelines
and
the
general
state
of
the
art
to
be
able
to
assess
the
condition
of
the
machine
used
as
regards
industrial
safety.
The
security
notes
in
chapter
"Security"
have
to
be
adhered
to.
Check
all
screw
connections
at
hydraulic
pipes
for
snug
seat
after
approx.
Inform
operating
personnel
about
special
and
maintenance
work
before
starting
such
work!
Designate
a
supervisor!
Secure
the
danger
area!
Observe
all
prescribed
adjustment
and
maintenance
works
in
the
operational
manual
including
details
for
exchange
of
parts!
These
activities
may
only
be
performed
by
technical
personnel
with
sufficient
knowledge
and
the
correct
tools.
Keys
and
tools,
by
means
of
which
the
machine
can
be
started
or,
respectively,
by
which
protection
devices
can
be
removed,
must
be
in
the
possession
of
the
person
instructed
in
the
use
and
ordered
to
do
so
or
must
be
kept
under
lock
and
key.
Before
carrying
out
any
cleaning
and
maintenance
work,
always
check
the
area
for
foreign
matter
such
as
sharp
‐
edged
material,
one
‐
way
injection
needles
etc.
Also
check
whether
contaminated
materials
have
been
compacted
.
Contact
the
operators
before
if
required.
Wear
security
gloves
in
any
case.
Non
‐
compliance
may
cause
severe
health
problems!
Maintenance,
cleaning
and
inspection
work
may
only
be
carried
out
by
authorised
and
skilled
personnel
and
only
when
the
machine
is
at
a
standstill
and
switched
off.
Please
observe
the
responsibilities
for
maintenance
work
(see