03238396-01-01 High Flow Vacuum (TQ).pdf - 第31页

5 TECHNICAL REFERENCE 5.4 REPLACEMENT PROCEDURES STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020 31 To replace the diverter valve position sensors: 1 1. Turn the mains isolator switch to OFF and lockout the switch. 2. Re…

5 TECHNICAL REFERENCE

5.4 REPLACEMENT PROCEDURES

30 STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020

5.4.4 Diverter Valve Sensors

Two solid state Reed switches are located on the body of the actuator:

●

Diverter Valve Retracted Sensor 2SE11 (1)

●

Diverter Valve Extended Sensor 2SE10 (2)

Before removing the diverter valve refer to 5.3.1 "Diverter Valve Sensors Test" [}21] section.

5 TECHNICAL REFERENCE

5.4 REPLACEMENT PROCEDURES

STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020 31

To replace the diverter valve position sensors:

1. Turn the mains isolator switch to OFF and lockout the switch.

2. Remove the front panel.

3. Turn the Safety Lockout Switch, located on the Pneumatic Regulator, to the EXH position.

4. Fit a suitable locking device to the switch to prevent air being accidently applied.

5. Remove the vacuum pump and hoses as detailed previously in this section.

NOTE

Remove the hose ends only from the diverter valve hose connectors: items 1 and 4 in the

hose removal procedure above.

6. At the bulkhead locate the two M6 x 14 fixing screws (1).

7. Loosen the two screws, using a 5mm Allen key, whilst supporting the diverter valve (through

the access hole in the bulkhead panel).

8. Completely remove the screws and the diverter valve.

5 TECHNICAL REFERENCE

5.4 REPLACEMENT PROCEDURES

32 STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020

9. Remove the right-hand safety cover.

10. Access ESIO-2 (1).