
Operating instruction | KIESELMANN GmbH
8 | Disassembly and assembly
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6125_APNV_EN
Dismantle - manual steam valve mDV
• Open the valve with the hand wheel (mD5) completely. Dismount the circlip (mD7). Remove
disc (mD6) and hand wheel (mD5). Dismount the circlip (mD8). Pull the bolt (mD4) from the
housing. Unscrew the piston (mD1). Dismantle the O-ring (D2), (D7). Remove the wearing parts.
mDV
mD5
mD4
mD7
mD6
mD4
mD7
mD6
mD5
• Unscrew piston (mD1) from shaft (mD2). Remove the wearing parts.
mD1
mD3
mD4
mD7
mD6
mD5
mD8
mD3
mD2
D7
mD1
8.4 Assemble - steam valve
• Before installation, thoroughly clean and slightly lubricate mounting areas and running sur-
faces.
• Lightly grease and mounting the O-rings.
CAUTION
Ø
Thread connection (G2) is secured with a screw retention.
Ø
After unscrewing the piston (D1) e.g. (mD1) it must always be replaced.
–
Remove all adhesive residue on the threaded connection (G1) and degrease thoroughly.
During assembly secure the new piston again with a Screw retention detachable (e.g. Loc-
tite 243).