Clarke Super 7R Manuel de l'opérateur - Page 6
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- 1. Table of Contents
- 2. Operator Safety Instructions
- 3. Machine Specifications
- 4. Sanding Cuts and Sandpaper
- 5. Machine Set-Up
- 6. Operating Instructions
- 7. Adjustment Procedures
- 8. Routine Maintenance
- 9. Maintenance
- 10. Parts and Service Manual - Section II Assembly Drawing
- 11. Assembly Parts List
- 12. Wiring Diagram 11/04
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 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.
Grain
12 grit
For removing gross imperfections and
16 grit
restore evenness to old flooring. To remove
20 grit
build-up of paints and varnishes.
24 grit
30 grit
For first sanding of new flooring (maple, oak).
36 grit
For removing 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 final sanding of certain conifers.
150 grit
For final sanding of certain conifers where a
smooth surface is desired for surface
roughening between coats of finish.
Page 6
Use
7" Diameter
Standard Grade
Professional Grade
Part #/Qty
945300/50
945301/50
945302/50
945305/100
945307/100
945308/100
945309/100
945310/100
Clarke
®
American Sanders Super 7R Operator's Manual
7" Diameter
Part #/Qty
945594/200
945595/200
945596/200
945597/300
945598/300
945599/300
945600/300
945601/300
945602/300
945603/300
945604/300
945605/500
945606/300