Elmo Rietschle V-VCB 20, Original Operating Instructions, Page: 20 / 32

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Maintenance and repair
f
1
h
s
1
D
s
2
7.2.1 Air fi ltering
NOTICE
Insuffi cient maintenance on the air fi lter
The power of the machine lessens and damage may
occur to the machine.
The micro fi lter (Fig. 4/f
1
) must be cleaned by rinsing
out or purging or replaced more or less often de-
pending on how dirty the discharged medium is.
Also check the non-return valve (Fig. 4/h) for con-
tamination.
Remove the fi lter housing (Fig. 4/D) after undoing
the screws (Fig. 4/s
1
). Remove the non-return valve
(Fig. 4/h) from the suction fl ange after undoing the
screws (Fig. 4/s
2
).
Re-assemble in reverse order.
Fig. 4 Air fi ltering
D Suction fl ange
h Non-return valve
f
1
Micro fi lter
s
1
Screws
s
2
Screws