GROUNDING
ASSEMBLY
WARNING Improperly connecting the grounding wire can result in the risk of elec- tric shock. Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the plug provided with the tool. Never remove the grounding prong from the plug. Do not use the tool if the cord or plug is damaged. If damaged, have it repaired by a MILWAUKEE service facility before use. If the plug will not fit the outlet, have a proper outlet installed by a qualified electrician.
Grounded Tools:
Tools with Three Prong Plugs
Tools marked “Grounding Required” have a three wire cord and three prong grounding plug. The plug must be connected to a properly grounded outlet (See Figure A). If the tool should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user, reducing the risk of electric shock.
The grounding prong in the plug is connected
cord must be the only wire connected to the tool's grounding system and must never be attached to an electrically “live” terminal.
Your tool must be plugged into an appropriate out- let, properly installed and grounded
in accordance with all codes and or- dinances. The plug and outlet should look like those in Figure A.
Double Insulated Tools: | Fig. A |
Tools with Two Prong Plugs |
|
Tools marked “Double Insulated” do
not require grounding. They have a special double insulation system which satisfies OSHA require- ments and complies with the applicable standards of Underwriters Laboratories, Inc., the Canadian Standard Association
and the National Elec- trical Code. Double In- sulated tools may be used in either of the 120 volt outlets shown in
WARNING To reduce the risk of in- jury, always unplug tool before changing or removing accessories. Only use accessories specifically recommended for this tool. Others may be hazardous.
Selecting Sandpaper and Grits
Sandpaper can be made from various grit materi- als and these should be selected according the material to be sanded. The guidelines below list materials and grit materials that should be used with them.
•Fine woodwork – garnet or aluminum oxide
•Rough woodwork – aluminum zirconia or ce- ramic aluminum oxide
•Manufactured wood products (particleboard, medium density fiber board etc.) – silicon carbide or aluminum oxide
•Solid surfacing materials (Corian, etc.) – sili- con carbide or aluminum oxide
•Metals – emery or aluminum oxide
Installing Sandpaper
Inspect sandpaper before installing. DO NOT use if broken or defective.
1.Unplug the sander.
2.Pull out lever to open paper clamp.
3.Pull up on paper clamp and insert end of new 1/4 sheet sandpaper approximately 1/4 in. under the paper clamp.
4.Close paper clamp by returning lever to its original position. Apply downward pressure to conform sandpaper to platen.
5.Wrap sandpaper around cushion. Pull out lever on opposite end of sander and pull up on paper clamp. Insert loose end of sandpaper under paper clamp. Fit sandpaper tight against cush- ion.
6.Close paper clamp by returning lever to its original position.
7.Multiple sheets of sandpaper can be installed at one time for convenience.
through the green wire inside the cord to the grounding system in the tool. The green wire in the
Figures B and C.
Fig. B Fig. C
Sandpaper is also graded by coarseness. Start your work with an abrasive grit just coarse enough to remove high spots and excessive roughness. Follow with a second sanding using a grit one or
EXTENSION CORDS
two grades finer. Continue with successively finer grits until you obtain the desired finish.
Grounded tools require a three wire extension cord. Double insulated tools can use either a two or three wire extension cord. As the distance from the supply outlet increases, you must use a heavier gauge extension cord. Using extension cords with inadequately sized wire causes a serious drop in voltage, resulting in loss of power and possible tool damage. Refer to the table shown to determine the required minimum wire size.
The smaller the gauge number of the wire, the greater the capacity of the cord. For example, a 14 gauge cord can carry a higher current than a 16 gauge cord. When using more than one extension
Guidelines for Using Extension Cords
• If you are using an extension cord outdoors, |
be sure it is marked with the suffix |
in Canada) to indicate that it is acceptable for |
outdoor use. |
• Be sure your extension cord is properly wired |
and in good electrical condition. Always replace |
a damaged extension cord or have it repaired by |
a qualified person before using it. |
• Protect your extension cords from sharp objects, |
excessive heat and damp or wet areas. |
Recommended Minimum Wire Gauge |
for Extension Cords* |
Do not switch from a coarse grit to a very fine grit in one step because it may be difficult to remove the marks made by the coarse grit abrasive. Use the finest grits practical for the roughing operation, and finish by using successively finer grits.
Grit | Type | Typical Application |
Paper Punch
Ideal for initial sanding on
60 | rougher surfaces. For fast | |
Course stock removal. Rough sand- | ||
80 | ||
ing and stripping of painted |
A paper punch template has been supplied with the sander for aligning and punching holes in sandpa- per. The punched holes must align with the holes in the sander cushion.
cord to make up the total length, be sure each cord contains at least the minimum wire size required. If you are using one extension cord for more than one tool, add the nameplate amperes and use the sum to determine the required minimum wire size.
READ AND SAVE ALL
INSTRUCTIONS FOR
FUTURE USE.
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Nameplate | Extension Cord Length | |||||
Amperes | 25' | 50' | 75' | 100' | 150' | |
0 - 2.0 | 18 | 18 | 18 | 18 | 16 | |
2.1 | - 3.4 | 18 | 18 | 18 | 16 | 14 |
3.5 | - 5.0 | 18 | 18 | 16 | 14 | 12 |
5.1 | - 7.0 | 18 | 16 | 14 | 12 | 12 |
7.1 - 12.0 | 16 | 14 | 12 | 10 |
| |
12.1 | - 16.0 | 14 | 12 | 10 |
|
|
16.1 | - 20.0 | 12 | 10 |
|
|
|
*Based on limiting the line voltage drop to five volts at 150% of the rated amperes.
and rusted surfaces. |
100For intermediate sanding and
120Medium removal of minor surface im- perfections.
150
180Fine Ideal for fine sanding prior to
220straining, priming, or sealing.
1.Install sand- paper on the sander.
2.Align sander cushion over the paper punch.
3.Push down on sander.
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Fig. 2 |
