Maintenance &
troubleshooting
26
DDE 2000 // DDE 300
0973008-52-03
7.2 Inspection and maintenance intervals
The inspection and maintenance intervals specified
here refer to normal application conditions.
In the event of difficult conditions (e.g. heavy dust
accrual, etc.) and longer daily hours of operation:
Shorten the intervals specified
In the event of occasional use of the product:
Extend the intervals specified
Dai
ly
O
pe
rato
r
We
e
k
ly
O
pe
rato
r; s
pe
c
ia
li
s
t m
a
inte
n
a
nc
e
p
e
rso
nn
e
l
M
o
n
th
ly
Spe
c
ia
li
s
t m
a
in
te
n
a
nc
e
p
e
rs
on
ne
l
Hal
f-
y
e
a
rl
y
Spe
c
ia
li
s
t m
a
in
te
n
a
nc
e
p
e
rs
on
ne
l
An
n
u
a
lly
In
c
ol
la
bo
rati
o
n
w
ith
th
e
LI
S
SM
AC
m
a
in
te
na
n
c
e
s
e
rvi
c
e
In
t
h
e
e
v
e
n
t
o
f
d
a
m
a
g
e
As
re
q
u
ire
d
whole product
Visual inspection
X
Clean
X
Power cable
Visual inspection
X
Replace
X
Collection container fill level
Visual inspection
X
Empty
X
Air guide plate
Visual inspection
X
Clean
X
Filter mat on outlet element
Visual inspection
X
Replace
X
Compressed air butterfly
Function check
X
Replace
X X
Clean
X X
Trails of dust or deposits on air
outlet openings
Visual inspection
X
Volume flow
Measurement
X
Negative pressure
Measurement
X
Power consumption
Measurement
X
Filter
Visual inspection
X
Replace
X
Airtightness of the whole
product
Function check
X
