g0648 Welding Fume Extractor
-31-
Figure 39.
Vibrating filter retainer.
Cap
Jam nut
Spring
retaining
Bolt
21.
place the cap onto the spring retaining bolt.
22.
Clean or replace the hEpa filter as discussed
on
page
32
.
18.
grasp the spring and insert the top of it on the
end of the retaining bolt that protrudes into
the cabinet.
Note:
With the top of the spring being held
in place by the end of this bolt, compressing
and positioning the bottom of the spring into
its seat is much easier.
19.
When the spring is installed, thread the
retaining bolt by hand all the way down until it
seats into the hole in the top of the vibrating
filter and stops.
20.
at this point, un-thread the retaining bolt
approximately 1
1
/
2
" turns and lock the jam nut
down against the cabinet so the bolt holds
this position (
Figure
39
).
Note:
The clearance between the end of the
bolt and its seat gives room for the filter to
vibrate but not fall out of position.
