KSB COBRA-TDC01/03, Инструкция по установке и эксплуатации

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7 Servicing/Maintenance
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COBRA-TDC01/03
8194.8/02-EN
5. Clean the valve disc and the seal chamber.
6. Remove any contamination.
7.2.3.5 Removing the O-rings
ü
The notes and steps stated in (
ð
Section 7.2.3.1, Page 22) to have been observed
or carried out.
1. Fully close valve disc 2.
2. Remove the counterweight or hydraulic damper.
3. Undo bolts 12 and 15 (COBRA-TDC01) or 15 and 18 (COBRA-TDC03).
(
ð
Section 7.2.5, Page 24)
4. Remove front cover 6 (COBRA-TDC01) or 8 (COBRA-TDC03) and rear cover 9.
5. Remove O-rings 8 (COBRA-TDC01) or 11 and 12 (COBRA-TDC03).
7.2.4 Assembling the valve
7.2.4.1 General information/Safety regulations
CAUTION
Improper reassembly
Damage to the valve!
▷ Reassemble the valve in accordance with the general rules of sound
engineering practice.
▷ Use original spare parts only.
Tightening torques Use an appropriate tool to tighten the fasteners crosswise.
7.2.4.2 Fitting the valve disc sealing element
ü The seal chamber has been cleaned.
ü All dismantled parts have been cleaned and checked for wear.
ü
Any damaged or worn parts have been replaced by original spare parts.
1. Apply grease to new valve disc sealing element 7 (COBRA-TDC01) or 11-12
(COBRA-TDC03) and place it into the body.
2. Fit retaining ring 3.
3. Insert and tighten screws/bolts. ( ð Section 7.2.5, Page 24)
7.2.4.3 Fitting the O-ring
ü The seal chamber has been cleaned.
ü Any damaged or worn parts have been replaced by original spare parts.
1. Insert greased O-rings 8 (COBRA-TDC01) or 11-12 (COBRA-TDC03).
2. Fit front cover 6 (COBRA-TDC01) or 8 (COBRA-TDC03) and rear cover 9.
3. Tighten bolts 12 and 15 (COBRA-TDC01) or 15 and 18 (COBRA-TDC03).
(
ð
Section 7.2.5, Page 24)
4. Fit the counterweight or hydraulic damper.
5. Check the position of the valve disc and the position indicator.