ABB Endura AZ40 Gebrauchsanweisung - Seite 12

Blättern Sie online oder laden Sie pdf Gebrauchsanweisung für Industrielle Ausrüstung ABB Endura AZ40 herunter. ABB Endura AZ40 16 Seiten. Oxygen and carbon monoxide equivalent (coe) analyzer
Auch für ABB Endura AZ40: Handbuch (16 seiten), Betriebsanleitung (20 seiten)

Seite drucken

8.4 Cleaning / Replacing sensor assembly aspirator

Referring to Fig. 8.5:

1. Place the sensor assembly on a clean flat surface with the

flange studs pointing up.

2. Use an open-ended

and remove aspirator A. Withdraw the aspirator, nozzle

B and gasket C from flange block D.

3. Examine the aspirator and nozzle for blockages. Remove

any gasket material from the aspirator assembly. Remove

any contamination with an air hose.

WARNING – Bodily injury

– Do not use compressed air for any other

purpose than that for which it is provided

– Never direct a stream of compressed air

towards your body or the body of any other

person

– When handling / connecting compressed air

lines:

– The correct safety procedures must be

observed

– Suitable PPE (goggles / gloves / overalls) must

be worn

CAUTION – Damage to equipment

Do not drill chamber out or scratch inner surfaces

as damage to any of the internal faces will affect

aspirator performance.

4. If aspirator A and nozzle B cannot be cleaned discard

them and fit a new aspirator and nozzle at step 7 onwards.

IMPORTANT (NOTE)

Dispose of the old aspirator / nozzle / gasket in

accordance with the guidelines contained in

Operating instruction OI/AZ40-EN.

5. Clean the aspirator flange counter-bore and flange local

surfaces thoroughly. Ensure no gasket particles fall into the

passage ways.

6. Fit a new gasket C in the aspirator flange counter-bore,

centre it and ensure it is seated correctly.

INS/ANAINST/007-EN Rev. B | Endura AZ40 | Sensor assembly | Orifice and seals kit

in. spanner (wrench) to unscrew

7. Fit the nozzle B into the aspirator A, ensuring it is

seated correctly.

8. Apply a light coating of an anti-seize compound (suitable

for temperatures up to 200 °C [392 °F]) to the threaded

portion E of the aspirator.

9. insert the new or cleaned aspirator /nozzle assembly

into the aspirator chamber and tighten to a torque of

28 ±2 in.-lbs (3.16 Nm) using a

CAUTION – Damage to equipment

Do not overtighten.

in.spanner (wrench).