DB-300-932
7.1.3 OAHC series
See see figure 22, page 32.
• To replace the filter cartridges, attach the eyelets (4)
of the cover (1) to a suitable lifting device.
• Loosen the screws on the cover (1) uniformly and re-
move the cover by pulling it forwards using the lifting
device.
WARNING
The cover is very heavy (100 kg)!
Risk of severe crushing!
Always use suitable devices to remove the
cover! Wear safety shoes!
• The OAHC.A contains 4 filter cartridges (3). Loosen
the fixing nuts and counter nuts (2) and take out the
cartridges (3) one after the other counter-clockwise.
• Install new filter cartridges accordingly. Tighten the
fixing nuts and counter nuts (2) (10 Nm).
• Insert a new gasket.
• Screw the cover (1) on (730 Nm).
Fig.22: OAHC series: Changing the filter cartridges
1 Cover
2 Fixing nut with counter
nut
3 Filter cartridge
4 Eyelets
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