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9
Extension Cords
The use of extension cords is discouraged; try to
position machines within reach of the power
source. If an extension cord becomes
necessary, make sure the cord rating is suitable
for the amperage listed on the machine’s motor
plate. An undersized cord will cause a drop in
line voltage resulting in loss of power and
overheating.
Use Table 1 as a general guide in choosing the
correct size cord. If in doubt, use the next
heavier gauge. The smaller the gauge number,
the heavier the cord.
Recommended Gauges (AWG) of Extension
Cords
Amps
Extension Cord Len
g
th *
25
feet
50
feet
75
feet
100
feet
150
feet
200
feet
<
5
1
6
1
6
1
6
14 1
2
1
2
5 to
8
1
6
1
6
14 1
2
1
0
N
R
8 to 1
2
14 14 1
2
1
0
N
R
N
R
12 to 1
5
1
2
1
2
1
0
1
0
N
R
N
R
15 to 2
0
1
0
1
0
1
0
N
R
N
R
N
R
21 to 3
0
1
0
N
R
N
R
N
R
N
R
N
R
*based on limiting the line voltage drop to 5V at 150%
of the rated amperes.
NR: Not Recommended.
Table 1
8.0 Adjustments
Numbers in parentheses refer to Figure 1.
8.1 Belt tracking
1. Open side panel (13) and spin drive wheel
(11) by hand to check preliminary tracking.
2. Use tracking knob (7) to correct until belt
runs centered on wheels. Clockwise knob
rotation shifts belt toward the left;
counterclockwise toward the right, as viewed
from the contact wheel end.
3. Close side panel (13).
4. Connect machine to power and turn on to
check final tracking. Adjust as needed with
knob.
Do not operate machine with
side panel open.
8.2 Belt change
1. Disconnect machine from power.
2. Allow belt to completely stop, then remove
spark trap (1).
3. Open side cover, and slacken belt by
pushing tension release lever (8) downward
(counterclockwise).
4. Install new belt according to direction arrows
printed on belt.
5. Move tension release lever (8) upward
(clockwise) to tighten belt.
6. Close side cover and reinstall spark trap (1).
8.3 Belt tension adjustment
Belt tension has been adjusted by the
manufacturer. If future adjustment is needed,
distance between the wheels can be changed
using the two hex nuts (17).
9.0 Operation
9.1 Contact grinding
The operator faces the contact wheel (4) and
holds the work piece with both hands. Note:
Keep hands away from contact area, which will
grow warm during operation.
The work piece is pushed against belt, and
rested upon front work support (3) if needed.
9.2 Surface grinding
The operator faces the open belt guard (6)
during surface grinding. The work piece is held
with both hands and pushed hard against the
top work support (5).
10.0 Maintenance
Before doing maintenance
on the machine, disconnect it from the
electrical supply by pulling out the plug or
switching off the main switch! Failure to
comply may cause serious injury.
Ball bearings have been packed with grease and
sealed, and require no further lubrication.
Frequent cleaning is mandatory to ensure best
operation and extended life of the belt grinder.
If graphite layer becomes damaged, replace it.
Use a brush to remove swarf from the wheels
and interior.
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