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4.8
Abrasive sealing
The front seal system comprises of three polyurethane seals to ensure that good fit is maintained between the
side seals and the work surface at the bottom. The seals are located in a seal box at the front of the blast
opening of the cabinet and are clamped into place by bolts and plates.
To obtain access to front seal system:
1.
Make sure that the power unit is stopped.
2.
Allow the machine to tip backwards until the rear of the machine rests on the surface; this will lift the
front of the machine and gives access to the front seal locating box.
3.
Unscrew the bolts at the front of the seal locating box, this releases the clamp system holding the
seals. Pull worn seals out of the locating box.
4.
Fit new seals, each interspaced with a steel strip. Tighten the bolts again.
5.
Start up and commence work.
Side seal system:
The side skirts and brushes are fixed to each side seal box with a plate and four screws. To replace them:
unscrew the screws and remove the side skirts and brush and replace them if necessary.
1
Front locating plate outer
2
Front skirt outer
3
Front seal angle (machine)
4
Front skirt intermediate
5
Locating plate inner
6
Fixing plate
7
Front skirt inner
1
Side brush
2
Side skirt fixing plate
3
Side skirt
4
Seal box
5
Side seal spring
6
Side seal spring plate
7
Side seal
15
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