ARCA ECOTROL 8C D Series - Plain Bearing; Rotary Valve Plug; Stem; Retainer & Seat

11 Disassembly / assembly of the valve ARCA Regler GmbH
24 / 28 Series 8C D / 6H D11.2018 / 1.0
– Refer also to the chapter entitled [10.3] Stem sealing – Detail X for
this
Packing rings
▪ Remove the seal set (156) and the base ring (154)
– Refer also to the chapter entitled [10.3] Stem sealing – Detail X for
this
11.5 Plain bearing
▪ Remove the plain bearing (164) from the stuffing box screw (152)
NOTICE!Observe the following when mounting the plain bearing
(164):
– Coated side towards the stem (50)
– Fabric side towards the stuffing box screw (152)
11.6 Rotary valve plug
The plug (26) can only be replaced as a complete unit.
▪ Pull the complete plug (26) out of the housing (1)
11.7 Stem
Depending on the version the stem (50) has already been dismantled.
▪ Pull the stem (50) out of the housing (1)
11.8 Retainer & seat
▪ Take the retainer (182) and seat (20) out of the housing (1)
▪ Replace sealing element (180)