Siemens SITRANS LVL200E 사용 설명서 - 페이지 11

{카테고리_이름} Siemens SITRANS LVL200E에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Siemens SITRANS LVL200E 16 페이지. Vibrating switches
Siemens SITRANS LVL200E에 대해서도 마찬가지입니다: 사용 설명서 (40 페이지), 사용 설명서 (44 페이지), 사용 설명서 (40 페이지)

페이지 인쇄

MAN-100057

5 Maintenance and fault rectification

5.1

Maintenance

If the device is used properly, no special maintenance is required in

normal operation.

5.2

Exchange seals

If you want to loosen the lock fitting, e.g. to change the switching

point, you have to exchange the graphite gasket rings.

The numbers in brackets refer to the illustration under "Mounting".

Danger:

Before dismounting, make sure that the vessel is unpressurised

1. Loosen the fixing screw (6) and remove the locking bracket (4)

2. Loosen pressure screw (11)

3. Hold the tube of the sensor and loosen the terminal screws (3)

4. Pull the sensor out of the lock fitting

5. Unscrew the pressure screw (11) out of the mounting boss (7)

6. Screw the mounting boss (7) with a new resistant seal ring into

the thread of the vessel and tighten the mounting boss (7) on the

hexagon (SW 41 or SW 60)

7. Unpack the new gasket and graphite gasket rings. The graphite

gasket ring (9) is thin; the gasket rings (8) are a little thicker and

have a layer configuration.

Make sure that the rings are not damaged. If you are not sure, use

new rings.

8. First of all place one of the new gasket rings (8) into the mounting

boss (7). Then place the graphite gasket ring (9) on top. This is

followed by the second gasket ring (8)

9. Place the pressure ring (10) of metal to the gasket rings

10. Screw the pressure screw (11) with a view turns from top into the

mounting boss (7)

11. Clean the connection tube of the sensor and the surfaces of the

clamp (1) as well as the pressure screw (11) carefully and remove

grease, oil and dirt. Insert the sensor into the lock fitting. Slide the

tube into the requested position and hold it

12. Make sure that the sensor is in the correct position (height). The

height setting of the sensor also determines the switching point

13. Tighten the pressure screw (11) with a torque 70 ±10 Nm

(51 ±7 lbf ft)

14. Continue to turn the pressure screw (11) clockwise until the hexa-

gon surfaces of the pressure screw (11) and the mounting boss

(7) correspond (max. 1/6 turn)

15. Tighten the terminal screws (3) alternately. Make sure that the

gap between clamp and pressure screw is in parallel. Tighten the

terminal screws with a defined torque.

Lock fitting - Operating Instructions