03238396-01-01 High Flow Vacuum (TQ).pdf - 第29页
5 TECHNICAL REFERENCE 5.4 REPLACEMENT PROCEDURES STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020 29 12. Switch the printer ON and test. 5.4.3 Vacuum Pump Enable Controller (VPEC) The vacuum pump enable controller (VPEC) …
5 TECHNICAL REFERENCE
5.4 REPLACEMENT PROCEDURES
28 STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020
2
1
3
5
2
2
6
4
2
2 & 4
1. Carry out the previous procedure to remove the pump (steps 1 through 8).
2. Using a flat bladed screwdriver unscrew and remove the two hose clips (2) at both ends of the
hose (items 3 or 5 as required).
NOTE
It may be necessary to remove the Diverter Valve to get good access to the riser pipe hose
(5).
3. Twist and pull the hose away from the hose connectors (1 and 4) on the pump/diverter valve
and the vacuum riser pipe (6).
4. Clean all surfaces around the hose connectors.
5. Place the hose clips onto the replacement hose(s).
6. Replace the hose(s) as required. Ensure that each hose sits fully on the connector and pipe
without kinking or folding.
7. Secure the hose(s) with the clips (2). Ensure the clips are tight enough to make a seal without
hose slippage.
8. Attach the manifold back onto the vacuum pump.
9. Replace the pump.
10. Replace the printer’s lower rear panel.
11. Remove the lockout from the printer’s mains isolator.
5 TECHNICAL REFERENCE
5.4 REPLACEMENT PROCEDURES
STANDALONE MANUAL HIGH FLOW VACUUM (TQ) 12/2020 29
12. Switch the printer ON and test.
5.4.3 Vacuum Pump Enable Controller (VPEC)
The vacuum pump enable controller (VPEC) enclosure is a complete item replacement. There are
no user serviceable parts.
1
2
3
4
1. On the printer’s front cover, turn the mains isolator switch to OFF and lockout the switch.
2. Gain access to the assembly by removing the lower rear panel.
3. Remove the mains cable from the socket (4).
4. Remove the mains cable from the plug (1).
5. Remove the signal cable from the socket (2).
6. Remove the four M4 x 8 counter-sunk head screws (3) using an 3mm Allen key.
7. Lift the enclosure clear of the support bracket.
8. Replacement is the reverse of the removal procedure.
9. Replace the printer’s lower rear panel.
10. Remove the lockout from the printer’s mains isolator and switch the printer ON.
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)
1
2
Before removing the diverter valve refer to 5.3.1 "Diverter Valve Sensors Test" [}21] section.