3M2 Drywall Sander
E&OE
© 2018 Unimac
9
Set-Up
Disc Selection
The tool may come supplied with a selection of sanding discs (80 / 100 / 120 / 150 / 180 / 240 grit). These
are suitable for most applications.
Sanding disc grit values determine how quickly material can be removed and the subsequent smoothness of
finish. Lower grade values are "coarser", remove material more quickly but leave a rougher surface finish.
Higher grade values are "finer", take longer to remove material but leave a smoother surface finish.
Use a disc appropriate to the task. For example, to quickly remove old paint, use a coarser grade. When
preparing a surface for painting and finishing, use a finer grade.
Installing and Replacing Discs
Disconnect the tool from the electrical supply before installing or replacing discs. • Do NOT
use the tool without a sanding disc installed. • Use only sanding discs suited to the tool.
The sanding disc attaches to the disc pad by Velcro. Before installing a new disc, clean away all particles,
dirt etc from the disc pad using a soft brush. To remove a sanding disc, lift and edge then "peel" it off the disc
pad.
Install the disc by pressing it firmly on to the disc pad. Ensure that the disc is installed centrally to the disc
pad.
Installing and Replacing the Disc Pad
If necessary, the disc pad can be removed and replaced. To remove the disc pad, grip it firmly to prevent it
rotating, then use an Allen key to loosen the fastening screw at the centre of the pad. The screw is "left-
hand" thread, which means you must rotate it clockwise to unscrew. Replace the disc pad by reversing the
removal procedure.
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