18
2.
Unscrew and remove cap with flat blade
screwdriver. See Figure 10‐4.
3.
Gently pry up an edge of the brass clip, until the
spring causes it to disengage from hole. (Notice
orientation of brush as you remove it; it should
be inserted in the same manner; curvature of
brush will match curvature of motor.)
4.
Pull out brush and inspect. Brush should be
replaced if any of the following are discovered:
Brush has worn to about 13mm long.
Signs of crumbling, burning or breaking.
End of brush is rough or pitted.
Abnormal coloration of spring
Broken lead in spring
Collapsed spring
5.
Install new brush (or reinstall current brush) and
gently press it all the way into hole until the
brass clip is secured.
6.
Install cap.
7.
Repeat for other brush.
NOTE: It is recommended that sander be run without
load for several minutes to seat new brushes.
Figure 10‐4
10.5
Additional servicing
Any additional servicing should be performed by
an authorized service technic
11.0
Tracker kit
Stock No.: PM2244‐213
Trackers dramatically reduce tracking adjustments of
conveyor belts. They are already installed on your
sander. The following information is for resetting or
replacing your trackers, should that become
necessary.
1.
Disconnect sander from power source/unplug.
2.
Raise drum as high as it will go.
3.
Turn both conveyor take‐up screws to relieve
conveyor belt tension and slide driven roller fully
inward.
4.
Remove the 2 bolts and loosen 2 wing screws
holding conveyor table to sander base.
5.
Lift conveyor table and slide it out of sander.
Turn conveyor table upside down. Be careful not
to damage conveyor belt.
6.
On the underside of the conveyor table, there
are U‐channels welded to the table. The Tracker
is positioned on the inside of the first U‐channel
on the infeed side of sander (Figure 11‐1). The
back of tracker is magnetized and will stick to
side wall of conveyor table. Do not install tracker
if edge of conveyor belt is damaged or torn.
Figure 11‐1: Underside of conveyor shown
7.
With first tracker installed, slide conveyor belt
into bottom slot of tracker.
Note:
When installed
properly, only bottom lip of tracker will be
visible. The top slot can be used if bottom slot
wears out.
8.
Install second tracker opposite the first. Use both
trackers unless the second one does not fit in
conveyor or unless conveyor belt is damaged.
9.
Turn conveyor table right‐side up and reposition
it onto sander. Re‐attach three mounting screws
and tighten.
Caution:
Be careful not to knock
tracker(s) out of conveyor table when turning
conveyor over. Trackers may break if allowed to
fall.
10.
Make sure all switches are off. Connect power to
sander and plug in motor.
11.
Tension conveyor belt using take‐up screws. If
both trackers are installed, it is very important to
have equal tension on both sides of conveyor
