Christian Maier GmbH & Co. KG
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Operating manual Series DP_en – Part-B-Version 10 – 19.03.2020
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B
10.1.1
Repair Work
10.1.2
Dismounting the Rotary Joint from the Roller
Prerequisites:
Depressurize the rotary joint.
Drain the medium contained in the roller.
Remove the protective cover and the anti-rotation device.
Procedure:
WARNING
Risk of injury if medium under pressure escapes.
Make sure that shut-off valves cannot be opened inadvertently or intentionally during repair
work.
INFORMATION
Refer to the operating instructions of the complete system for any further information on
properly performing preparatory work.
1.
Remove the housing connections.
2.
Secure the rotary joint with a restraining belt (nominal diameter 32 - 50) or by means of
the eye bolt (nominal diameter 65 and larger) and a crane.
3.
Loosen the connection between rotor and roller.
–
rotor with threaded end: unscrew the rotor by applying a wrench to the wrench flats
–
rotor with flange connection: remove the flange screws. Slowly pull the rotary joint
out of the roller. If the rotary joint cannot be pulled out easily, loosen it from its
central position by slightly moving it up and down with the crane.
10.1.3
Dismantling the Rotary Joint
Prerequisite
The rotary joint must have been dismounted from the roller.
INFORMATION
The structural design of the rotary joints is shown in the section "Specifications and Spare
Parts".
