Chatter Wave Prevention - Clarke American Sanders 07104A Manual Del Operador

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Chatter Wave Prevention

Clarke Sanders are designed and manufactured to the most
rigid tolerances. However, after a finishing cut it is possible to
see "chatter" or "waves".
The best guarantee to remove the chatter is to finish the floor
with a rotating horizontal sander, such as Clarke's Sander 16.
To minimize chatter when using a belt or drum sander the
following steps should be taken:
1. DRUM MARKS...are caused by the operator lowering the
drum to the floor without forward traverse. These marks
should be removed by cutting at a 45 degree angle to the
mark. Cutting at the mark while maintaining the same
path will only increase the mark depth and width.
(See figure 14)
2. UNEVEN WALKING SPACE...can leave lengthy "waves".
The machine cuts more material during the slower pace.
Pay particular attention to a steady, even pace.
3. EXCESSIVE LIGHT CUTS...may reveal high spots on the
paper/contact wheel and cause chatter. Take a heavier
cut and increase the pace.
4. DEBRIS...lodged between the paper and the drum will
leave chatter. On a belt sander, debris may be adhered
to the drum. Insure the drum is clean and free of debris
before placing the paper on.
5. ABRASIVE QUALITY...may vary. Belt seams can be
thicker on low quality paper and cause chatter. Use only
Clarke specified sandpaper. Store abrasive according
to manufacturers recommendation.
PROPER CARE OF YOUR MACHINE CAN MINIMIZE
CHATTER AND WAVES.
1. V-BELTS...can cause vibration and chatter if they are of
low quality. Use only belts specified by Clarke.
2. TRUCK AND CASTER WHEELS...with flat spots, out-of-
roundness, or debris adhered to their surface can cause
"waves" or a "chatter effect". Always clean and inspect
all wheels before starting to sand, and before the finish
cut. Replace or true the wheels if found to be out-of-
round. Never allow the sander to stand on hard
surfaces for lengthy periods of time.
3. DUST PICK-UP SHOES...may need adjusted differently
for different materials that are to be sanded. An improp-
erly adjusted shoe will leave trailing debris that will be
run over by the wheels and cause "random waves".
4. CONTACT WHEELS (DRUMS)...may be out-of-round and
cause "chatter". Contact your Clarke dealer for assis-
tance to true or replace the drum.
-14-
5. BEARINGS...in the motor, drum, or fan system
may become worn and induce vibration which
could cause "chatter".
6. PULLEYS...that are damaged or severly worn can
induce vibration and cause "chatter". Contact your
Clarke dealer for assistance.
7. SANDPAPER TENSION...should always be
released when the machine is shut off for 10
minutes or longer to avoid compression of the
drum.
NOTE: Clarke is not responsibile for rework of
floors that are unacceptable to the customer. It
is your responsibility to insure your equipment
is in proper operating order, and that you use
the right machine for the job.
Clarke
®
American Sanders
Figure 14
Operator's Manual (EN) - Floorcrafter

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Este manual también es adecuado para:

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