Installing Accessories; Front Handle - Bosch 3727DEVS Operating/Safety Instructions Manual

BM 2609932842 03-12_BM 2609932842 03-12.qxp 3/12/12 9:21 AM Page 8
BACKING PAD INSTALLATION
The random orbit sander is equipped with a
backing pad of soft hardness, which is suitable
for general service. Hard and extra-soft pads
are available for other purposes, and in
general are used as follows;
Extra soft pad - Polishing or sanding large or
curved surfaces.
Soft pad - All purpose general sanding and
polishing.
Hard pad - Heavy sanding on flat surfaces,
especially with coarser abrasives.
To change backing pad, hold pad firmly and
remove the screw using a 5 mm hex wrench
that secures the backing pad and remove old
pad. Align new pad over drive gear on drive
spindle. Attention: always be sure the teeth
on the drive gear engage into the openings on
the backing pad. Replace screw and securely
tighten. Damaged or worn backing pads must
be replaced immediately (Fig. 2).
FIG. 2
SCREW
DRIVE
GEAR

FRONT HANDLE

Your sander is equipped with a removable
front handle when sanding in tight quarters. To
remove handle, remove screw with allen
wrench. Always reinstall handle for normal
operation. Depending on the task, you may
Assembly
The random orbit sander uses hook-and-loop
backed accessories, which firmly grip the pad
when applied with moderate pressure. To
change the accessory, merely peel off the old
accessory, remove dust from the pad if
necessary, and press the new accessory in
place. Be sure to align the sanding disc holes
with the holes in the backing pad to allow the
dust extraction system to function (Fig. 3).
ABRASIVE
A
DISC
BACKING
PAD
BACKING
PAD
After considerable service the pad surface will
become worn, and the pad must be replaced
when it no longer offers a firm grip. If you are
experiencing premature wearout of the pad
facing, decrease the amount of pressure you
are applying during operation of the tool.
grip the rear handle alone, the rear handle and
the front handle, or the rear handle and the top
of the ergonomically contoured soft grip motor
housing, which is designed for that purpose
(Fig. 1).
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INSTALLING ACCESSORIES

FIG. 3