-58-
G0677 24" Planer/Sander
Sanding Belt Limit
Switches
To adjust the belt tracking limit switches:
1.
DISCONNECT THE PLANER/SANDER
FROM THE POWER SOURCE!
2
.
Make sure the sanding belt tracking and
oscillation is adjusted properly (see
Page
44).
3. Release the belt tension, center the sand-
ing belt on the top roller, then re-tension the
belt.
4. Measure the distance from the edge of the
sanding belt to the ceramic rod protruding
from the switch.
5. Loosen the adjustment bolt shown in Figure
79,
and move the switch so the belt and the
ceramic rod are approximately
1
⁄
2
" apart.
6. Tighten the bolt and repeat the adjustment
with the other side if necessary.
7. Start the machine and make sure it is working
properly.
Figure 79. Tracking limit switch adjustment bolt
(right side shown).
Sanding belt tracking limit switches are placed
on both sides of the belt to act as emergency
machine stops if the belt travels too far to one side
or the other during oscillation (see
Figure 79).
Tools Needed:
Qty
Wrench or Socket 12mm ....................................1
Adjustment Bolt
Location
Sanding Belt
Tension Limit Switch
The belt tension safety switch shuts the sanding
motor
OFF
if the belt breaks or has no tension
when the lock flange pushes the belt tension
safety switch lever (see
Figure 80)
.
To adjust the belt tension safety switch:
1.
DISCONNECT THE PLANER/SANDER
FROM THE POWER SOURCE!
2. Apply normal system air pressure of 75 PSI,
and tension the belt.
3. Open the right upper right access door.
4. Loosen the mounting screw and hex bolt,
and position the switch so the lever is in the
center of the lock flange hole.
5. Re-tighten the screw and hex bolt, then test
the switch operation.
Tools Needed:
Qty
Wrench or Socket 12mm ....................................1
Phillips Screwdriver #2 .......................................1
Figure 80. Belt tension safety switch.
Switch Lever
Lock
Flange
Mounting
Screw
Mounting
Bolt
Safety
Switch