25
Intervals:
D
=
daily,
W
=
weekly,
M
=
monthly,
3M
=
every 3
months,
6M
=
every 6
months,
Y
=
yearly
Item
Maintenance
point
Interval
Type
of
check/maintenance
task
Comments
5
Differential
pressure
measurement
equipment
(optional)
5.1
Measuring
lines
3M
VISUAL
INSPECTION:
9.
Check
the
hoses
on
the
meas
‐
urement
instrument
and
scrub
‐
ber
to
make
sure
that
they
are
firmly
attached.
10.
Check
the
hoses
for
any
depos
‐
its
of
dust.
IF
NECESSARY:
11.
Service
them;
rectify
faults.
12.
Clean!
6M
MAINTENANCE
WORK:
13.
Remove
both
hoses
from
the
measurement
instrument
and
blow
out
with
oil
‐
free
com
‐
pressed
air
in
the
direction
of
the
scrubber.
CAUTION
Do
not
blow
into
the
measurement
instrument
itself!
This
would
destroy
the
membrane
in
the
instrument!
Y
MAINTENANCE
WORK:
14.
Replace
the
sintered
filter.
6
Ductwork
system
6.1
Duct
suspension
sys
‐
tem
6M
VISUAL
INSPECTION:
15.
State
of
pipe
suspension
sys
‐
tem
IF
NECESSARY:
1.
Service
it;
rectify
faults.
6.2
Suction
ductwork
3M
VISUAL
INSPECTION:
2.
Check
the
inside
and
outside
for
corrosion.
3.
Check
the
ductwork
for
dust
deposits.
IF
NECESSARY:
4.
Rectify
any
corrosion
damage.
5.
Eliminate
any
deposits
of
dust.
6M
MAINTENANCE
WORK:
6.
Remove
any
deposits
of
dust.
CAUTION
Deposits
of
dust
in
the
suction
line
reduce
the
extraction
power
of
the
system.
The
overall
weight
can
in
‐
crease
to
the
extent
that
the
sus
‐
pension
system
breaks
and
the
ductwork
falls
down.
6.3
Flange
connections
M
VISUAL
INSPECTION:
7.
Check
the
screw
seat
and
tight
‐
en
if
necessary.
IF
NECESSARY:
8.
Service
it;
rectify
faults.
6.4
Hoses
3M
VISUAL
INSPECTION:
9.
Check
the
hoses
for
damage.
10.
Check
the
attachment
and
posi
‐
tion
of
the
hoses.
6.5
Compensators
3M
VISUAL
INSPECTION:
11.
Carry
out
a
leak
‐
tightness
test.
IF
NECESSARY:
12.
Replace
defective
compensators.
6.6
Shut
‐
off
valves
M
VISUAL
INSPECTION:
13.
Check
the
valve
positions.
14.
Check
the
valves
for
mobility.
CAUTION
To
ensure
the
required
air
speed
in
the
ductwork
system,
a
certain
number
of
valves
should
be
open
at
all
times
(basic
commissioning
position).
6.7
Exhaust
line
6M
VISUAL
INSPECTION:
15.
Check
for
deposits
of
dirt.
CAUTION
Deposits
of
dirt
can
cause
the
sus
‐
pension
system
to
break.
