167152 Issue 2 - Maintenance Manual - 第91页

VACUUM FILTRATION UNITS FILTER REPLACEMENT Chapter Issue 2, Jul 16 Maintenance Manual 2.11 6. Slide the vacuum filtration unit part way out of the machine and undo the vacuum tube securing clamp (4). 7. Pull off th e vac…

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VACUUM FILTRATION UNITS
FILTER REPLACEMENT
2.10 Maintenance Manual Chapter Issue 2, Jul 16
VF25 Vacuum
Filtration Unit
MANDATORY
TOXIC CHEMICALS MAY BE PRESENT. SAFETY GLOVES MUST BE WORN.
MANDATORY
TOXIC CHEMICALS MAY BE PRESENT. EYE PROTECTION MUST BE WORN.
To replace any of the filters in the Vacuum Filtration Unit, carry out the following:
NOTE
Numbers in brackets e.g. (1), refers to the numbers in the graphics in the
procedure.
1. Ensure the machine is switched OFF.
2. Remove the machine front panel.
3. Disconnect the mains connector (3) from the vacuum filtration unit.
4. Using an 8mm spanner, remove the two nuts on both earth bonding points
(1) and disconnect the earth wires.
5. Using a 4mm Allen key, remove the four securing screws (2), two on the left
side and two on the right side of the vacuum filtration unit.
VACUUM FILTRATION UNITS
FILTER REPLACEMENT
Chapter Issue 2, Jul 16 Maintenance Manual 2.11
6. Slide the vacuum filtration unit part way out of the machine and undo the
vacuum tube securing clamp (4).
7. Pull off the vacuum tube (5) from the base unit (6).
8. Carefully slide the vacuum filtration unit out of the machine ensuring that the
cables do not snag and place the unit on the floor.
9. Release the filter retaining clip (8) to detach the carbon filter unit (7) from the
base unit (9).
10. Remove the air duct (10) from the carbon filter unit.
VACUUM FILTRATION UNITS
FILTER REPLACEMENT
2.12 Maintenance Manual Chapter Issue 2, Jul 16
11. Turn the carbon filter unit upside down.
12. To separate the pre-filter unit (11) from the carbon filter unit (12), pull the pre-
filter upwards using the pre-filter frame.
13. Replace the carbon\pre-filter as required and refit the pre-filter into the
carbon filter unit.
14. Refit the air duct to the carbon filter unit.
15. Refit the carbon filter unit to the vacuum filtration unit.
16. Secure the carbon filter unit using the filter retaining clip.
17. Slide the vacuum filtration unit back into the machine approximately halfway
and refit the vacuum tube.
18. Locate the vacuum filtration unit over its four securing holes and secure to
the base of the machine using the four securing screws.
19. Reconnect the two earth leads and the mains connector.
20. Refit the panel removed in Step 2.