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Siphon-Feed Sandblaster
Suggested Uses
Type of
Abrasive
Application
(Sieve/Size)
Etching and
Sand
drilling holes in
(30-50)
glass
Glass beads
Sand (40)
Antiquing or
weathering wood
Ground walnut
shells
Wood sanding
Sand (50-100)
and refinishing
Glass beads,
ground walnut
furniture
shells
Cleaning
Sand
(20-40)
barbeque grills
and iron pots
Cleaning
Sand (20-40)
Aluminum
automotive parts
oxide
Cleaning and
Sand
(20-40)
stripping masonry
Cleaning or
Ground pecan
preparing for
or walnut
shells and corn
paint
cob meal
Sand (20-50)
Cleaning or
stripping outdoor
Aluminum
equipment
oxide (50-80)
Troubleshooting Chart
Symptom
Low or no air pressure
Material not blasting from gun
Distance
from
psi
Work
1 - 4"
40 - 90
2 - 6"
40 - 90
1 - 6"
40 - 70
1 - 4"
50 - 125
1 - 4"
40 - 80
1 - 4"
50 - 125
1 - 6"
40 - 125
1 - 3"
50 - 125
Possible Cause(s)
1.
Regulator set incorrectly
2.
Pinched hose
3.
Dirty compressor filter
1.
Clogged material hose
2.
Buildup around jet
3.
Damp or heavy material
4.
Water in air supply
Suggestions
Move gun back and forth over the template in a
brushing manner. Blast at a 90
use glass beads for the abrasive. For drilling holes, use 30
sieve sand.
Use brushing strokes and watch the abrasion rate
carefully. Soft wood will wear faster than hardwood.
Smaller grit sizes gives smoother finish. Start with low
pressure and gradually build up pressure. Blast at a 45
angle.
Use brushing strokes and watch the abrasion rate
carefully. Use walnut shells for coarse finishing and glass
beads or fine sand for fine finishing. Blast at a 45
Be sure to mask any glass or painted surface that could
be accidentally damaged. Blast at a 80 - 90
Use larger grit sand on a hidden area. If the base
material is being damaged, use a smaller grit. Blast at a
80 - 90
o
angle.
Use a heavy grit sand with a sweeping overlapping
stroke. Blast at a 80 - 90
Use brushing strokes and watch the abrasion rate
carefully. Soft wood will wear faster than hard wood.
Smaller grit sizes five a smoother finish. Start with low
pressure and gradually build up pressure. Blast at a
45 - 60
o
angle.
Remove flaking paint first with wire brush, then
sandblast with a heavy grit abrasive. Multiple layer of
old paint should be scraped first. Prime immediately
following sandblasting to prevent corrosion. Blast at a
45 - 60
angle.
o
Corrective Action
1.
2.
3.
1.
2.
3.
4.
4
o
angle. For fine polishing,
angle.
o
angle.
o
Reset regulator
Straighten hose
Clean or replace filter
Lower the pressure below 40 psi.
Firmly hold the gun tip flat against
the ground and pull the trigger to
force the material back out of the
material hose
Remove nozzle and clean around jet
Replace with dry abrasive. (Damp
material can be dried and reused)
Drain air tank and install air filter, See
"Moisture in Compressed Air" box
o
angle.
o
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