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7 Maintenance
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Before maintenance, unplug the plug firstly from the incoming power source.
Adjustment, lubrication and maintenance points must be carried out while
machinery is at a standstill.
Normal maintenance of the contact wheel and the steering roller is needed.
The outside cover of belt grinder and the grinding scrap and dust in outlet should be
frequently cleaned and keep these places tidy.
7.1 Troubleshooting
Trouble
The machine will not
start
Belt does not come
up to speed
Machine
vibrates
excessively
Abrasive belt keeps
tearing
Sanded
edge
not
square
Sanding marks on
wood
Possible cause
1. Unplug
from
power
supply
2. Protector is tripped
3. Power cord is damaged
1. Extension cord too light
or too long
2. Motor is not wired for
proper voltage
3. Low current
1. Stand on uneven floor
2. Motor mounts are loose
3. Tension spring is worn or
broken
1. Belt is running in the
wrong direction
1. Table isn't square to
sanding platen
1. Workpiece is held still
2. Wrong grit sanding belt
3. Feed pressure too great
4. Sanding
against
grain
16 / 16
Solution
1. Check all plug connections
2. Replace fuse or reset circuit
breaker
3. Replace cord
1. Replace with adequate size
and proper length cord
2. Refer to motor junction box
for proper wiring
3. Contact
a
electrician
1. Adjust base so that it rests
evenly on the floor
2. Tighten motor mount bolts.
3. Replace spring
1. The sanding belt should be
running in the same direction of
rotation label.
1. Use a square to adjust table
to sanding platen
1. keep workpiece moving
2. Use coarser grit for stock
removal and fine grit for
the
finish sanding.
3. Never force workpiece into
sanding platen
4. Stand with the grain.
qualified
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