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14
Extension Cords
If an extension cord is necessary, make sure the
cord rating is suitable for the amperage listed on
the machine's motor plate. An undersize cord
will cause a drop in line voltage resulting in loss
of power and overheating.
The chart in Figure 17 shows the correct size
cord to use based on cord length and motor
plate amp rating. If in doubt, use the next
heavier gauge. The smaller the gauge number,
the heavier the cord.
Adjustments
Drum Height Control
Drum height is controlled by the height
adjustment handw heel. Rotating the handwheel
counterclockwise lowers the drum; clockwise
raises it.
One revolution of the handwheel moves the
drum approximately 1/16”.
Switch Lockout
Unauthorized use of the sander can be
prevented by pulling out the key (Figure 18).
Press switch to OFF position before removing
the key. When the key is removed, the drum can
not be started. (Note, however, that the
conveyor belt can still run when the key is
removed).
To replace the key, slide it back into the switch
until it snaps.
Depth Gauge
The depth gauge indicates the distance between
the bottom of the sanding drum and the top of
the conveyor surface. Adjustment is performed
by “zeroing” the gauge.
1. Loosen screw (A, Figure 19) sufficiently to
allow the pointer (B) to be turned to depth
gauge scale.
2. With an abrasive strip on the drum, lower
sanding drum to where it touches top of
conveyor belt.
3. At this drum position, the depth gauge
pointer (B) should align with the zero mark
of the scale. If it does not, loosen screw (A)
and raise or lower pointer to align with zero
on the scale.
4. Re-tighten screw (A).
Note: Depending on the desired accuracy, you
may need to repeat this process when installing
different abrasive grits.
Recommended Gau
g
es
(
AWG
)
of Extension Cords
Amps
Extension Cord Length *
25
feet
50
feet
75
feet
100
feet
150
feet
200
feet
< 5 16 16 16 14 12 12
5 to 8 16 16 14 12 10 NR
8 to 12 14 14 12 10 NR NR
12 to 15 12 12 10 10 NR NR
15 to 20 10 10 10 NR NR NR
21 to 30 10 NR NR NR NR NR
*based on limiting the line voltage drop to 5V at 150% of the
rated amperes.
NR: Not Recommended.
Figure 17
Figure 18
Figure 19