Contractor 15205, Instructions Manual

Page: 24 / 120

ENGLISH
CONTRACOR
®
Version 3.9 24
Cartridge sealing gasket
Picture 10. Filter cartridge replacement
Filter cartridge
Wing nut
Replace the gasket if necessary. Attach the dust
collector door in place. Season the cartridge per
section 5.2.7.
5.2.7 Filter cartridge seasoning
New cartridges must be seasoned.
Cartridges are seasoned by letting a dust cake
develop on the filter media before starting the
pulsing cycles. To stop the pulse, turn the pulse
regulator off (to 0 bar). Operate the cabinet without
pulsing for about two hours, or until visibility
decreases, which ever comes first. At that point turn
the pulse regulator to 4,5 bar, to start the pulsing
cycle.
5.2.8 Pop-up Valve and O-ring replacement
2
8
1
7
6
3
5
4
Picture 11. Pop-up Valve and O-ring
Replacement
To replace the rubber pop-up valve (4)
and O-ring (5), disconnect the blast vessel (2)
from the reclaimer (1). First loosen the screws
(7) on the flange securing the blast vessel to the
reclaimer and carefully lift the blast vessel from
the reclaimer. Check the sealing gasket (6) for
wear or damage, and replace if necessary. Then
loosen the ring-seat (3) with supplied pin-wrench
(8). After having loosened the ring-seat, remove
the old O-ring by using a finger, screwdriver,
or similar object, to work the O-ring out of the
retainer groove. Push the new O-ring all the way
through the port and then fit it into the groove.
For the last few millimeters pull up on the rubber
O-ring and allow it to “pop” into position. Finally,