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SFG10E ELECTRIC SURFACE GRINDER — OPERATION AND PARTS MANUAL — REV. #1 (07/16/07) — PAGE 18
shear from the concrete floor material. The occurrence is
also aggravated by higher ambient temperatures. This
problem can be significantly reduced with the addition of
various amounts of water or a water saturated, fine sand
combination placed on the floor. The use of the Safety and
Dust Shield Assembly with the SURFACE GRINDER is
highly recommended to contain the water/sand slurry mixture
from damaging surrounding walls and other vertical surfaces.
FIGURE 18
To index the tungsten carbide insert, proceed as follows:
Tools required:
1 each, 5/32 Allen wrench.
1) Clean the SCRAPE-R-TACH unit with a suitable safety
solvent to remove excess material build-up. Remove
as much foreign material from the female hexagon
socket area of the capscrew. This will allow the wrench
to make full contact and maximize the torque transfer
to the cap screw.
2) Remove the cap screw from the unit. Clean the newly
exposed areas of the insert and SCRAPE-R-TACH unit
with the safety solvent. Clean and inspect the threaded
holes found in older units for excess wear. New style
SCRAPE-R-TACH units feature a through hole design.
3) Index the insert to expose a new edge. Reinstall the
capscrew and apply a torque value that properly seats
the insert firmly against the body of the unit.
ASSEMBLY INSTRUCTIONS/OPERATIONS
FIGURE 16
The productivity of the product is directly dependent upon the
yield and tensile strength of the material being removed.
Material thickness has also shown to have a direct effect on
overall productivity. For example, the SCRAPE-R-TACH
system is a highly productive method for removing thick paint
accumulations from factory floors. Production rates of up to
several hundred square feet per hour can be realized. However,
many thin film ( ie: 5 mill thickness and thinner) urethane
coatings present a much more difficult removal problem. Since
removal rates are also directly affected by applied down force,
up to 300 lbs of external weight can be applied to the SURFACE
GRINDER to increase productivity. Cement blocks, stacked
bags of cement or weighted drums make excellent weights
and can be secured with “bungy” cords. FIGURE 17.
FIGURE 17
Each insert provides 8 scraping edges. As an edge become
dull and worn, the insert can be turned and reinstalled to
expose a new, sharp edge. FIGURE 18. When all 4 edges
of one side become worn and dull, the insert can be turned
over to expose an additional 4 edges.
Many materials such as adhesives, rubber deposits and
mastics have the tendency to extrude or smear rather than
Follow all safety precautions for the safety solvent.
CAUTION
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CAUTION