Clarke 07128A Gebruikershandleiding - Pagina 8
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Sanding Cuts and Sandpaper
Initial Cut
The purpose of the initial cut is to remove old finish and gross imperfections on the floor surface. A coarse
abrasive should be used. If the surface is severely damaged by deep scratches, pre-existing dwell marks,
uneven planks, etc., it may be necessary to sand across or diagonally to the grain to restore evenness to the
surface. If these conditions are not present, the initial cut should be done in the direction of the grain.
If glazing, loading, or burning takes place immediately into an initial cut, select a coarser abrasive. If this
should occur during an initial cut, the abrasive has dulled and must be replaced.
Final Cuts
The purpose of a finishing cut is to remove the scratches produced during the initial cut. Use a fine (60 - 80
grit) grain abrasive.
If the surface remains rough after a finishing cut, it may be necessary to use an even finer grain of abrasive (80
- 100 grit). Care should be taken in selecting the grit size of the abrasive. A very fine grain will close the
pores on a wood floor making admission of a stain difficult.
If glazing or burning should occur immediately into a finishing cut, increase pace. If it should occur during a
finishing cut, the abrasive has dulled and must be replaced.
Grain
Use
12 grit
For removing gross imperfections and restore evenness
16 grit
to old flooring. To remove build-up of paints and varnishes.
20 grit
30 grit
For first sanding of new flooring (maple, oak). For removing
36 grit
minor imperfections and finishes from old flooring.
40 grit
For initial cut on new flooring (oak, walnut). For removing
minor imperfections and finishes from old flooring.
50 grit
For first sanding of new flooring (cedar, pine, fir)
For clean-up of 16 grit.
60 grit
For clean-up from initial cut 36 grit.
80 grit
For final sanding of certain hardwoods. For clean-up
of initial cuts (50 grit).
100 grit
For final sanding of certain hardwoods and conifers where
a smooth surface is desired.
120 grit
For finishing cut on certain conifers.
150 grit
For finishing cut on certain conifers where a smooth
surface is desired.
Page 8
Standard Grade
945300/50
945301/50
945302/50
945305/100
945308/100
945309/100
945310/100
Clarke American Sanders American B-2 Operator's Manual
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