Operation - RIDGID R2740 Operator's Manual

OPERATION

OPERATING THE SANDER
See Figure 8, page 15.
Clamp or otherwise secure the work to prevent it from
moving under the sander.
WARNING:
Unsecured work could be thrown back toward
operator causing injury.
Before placing sander on work surface, squeeze the switch
trigger and let the motor reach its maximum speed, then
lower the sander to the work surface with a slight forward
motion. Using the rear handle to control the sander and the
front handle only to guide it, move it slowly over the work.
Allowing the sander to remain in one place will result in an
uneven surface.
WARNING:
Keep a firm grip on sander with both hands at all
times. Failure to do so could result in loss of control
leading to possible serious injury.
The sander was designed to provide the proper weight on
the sanding belt.
Excessive pressure will result in the following:
 Uneven work.
 Clogged sanding belts.
 Premature sanding belt wear. Removal rate will not
increase.
 Motor damage.
 Irregular sanding belt tracking.
NOTE: If the sanding belt moves while sanding, you may
be applying too much pressure. When this occurs, remove
sander from workpiece. If belt tracking is properly adjusted,
sanding belt will return to its normal and correct position on
the drive roller and front roller.
Use a coarser belt when heavy sanding is desired, not
heavy pressure. The importance of this cannot be over-
emphasized. Weight has been built into the tool to give the
most efficient pressure at the proper location.
NOTE: The front roller of the sander was not designed for
contour sanding. Sanding on the front roller could cause
irregularity in sanding belt tracking and will damage the
front roller.
CAUTION:
Sanding on the front roller may cause the tool to
kickback toward the operator, creating a risk of
possible injury.
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DUST BAG
See Figure 9, page 15.
The dust bag provides a dust collection system for the
sander. It should be installed over the exhaust hole located
on the side of the sander. For more efficient operation, empty
dust bag when half full.
Do not connect sander to power supply before installing
dust bag.
To install/remove dust bag:
 Unplug the sander.
 Place the opening of dust bag over dust exhaust of the
EMPTYING THE DUST BAG
See Figure 10, page 15.
For more efficient operation, empty dust bag when no more
than half full. This will permit the air to flow through the bag
better. Always empty and clean the dust bag thoroughly
upon completion of a sanding operation and before placing
the sander in storage.
To empty the dust bag:
 Unplug the sander.
 Remove dust bag from sander.
 Open zipper.
 Shake out dust.
 Replace dust bag on sander.
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WARNING:
The sander is designed to be operated as shown
in Figure 8, page 15 with both hands on the tool at
all times for maximum control. Never operate the
tool overhead or inverted from the proper operating
position; serious personal injury may result.
WARNING:
Do not use the dust collection bag when sanding
metal. Using the dust collection bag when sanding
metal creates a fire hazard, which could damage
the tool and lead to serious personal injury.
sander.
WARNING:
Collected sanding dust from sanding surface
coatings such as polyurethanes, linseed oil, etc.,
can self-ignite in the sander dust bag or elsewhere
and cause fire. To reduce the risk of fire, always
empty the dust bag frequently while sanding. Never
store or leave a sander without totally emptying its
dust bag. Also follow the recommendations of the
coatings manufacturers.
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