RIDGID Sander R2611 User Guide

OPERATOR’S MANUAL  
RANDOM ORBIT SANDER  
DOUBLE INSULATED  
VARIABLE SPEED  
R2611  
Your sander has been engineered and manufactured to our high standards for dependability, ease of operation, and operator  
safety. When properly cared for, it will give you years of rugged, trouble-free performance.  
WARNING:  
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.  
Thank you for buying a RIDGID product.  
SAVE THIS MANUAL FOR FUTURE REFERENCE  
 
GENERAL SAFETY RULES  
Remove any adjusting key or wrench before turning  
the power tool on. A wrench or a key left attached to  
a rotating part of the power tool may result in personal  
injury.  
Do not overreach. Keep proper footing and balance  
at all times. This enables better control of the power tool  
in unexpected situations.  
Dress properly. Do not wear loose clothing or jewelry.  
Keep your hair, clothing and gloves away from moving  
parts. Loose clothes, jewelry, or long hair can be caught  
in moving parts.  
If devices are provided for the connection of dust  
extraction and collection facilities, ensure these are  
connected and properly used. Use of these devices can  
reduce dust-related hazards.  
WARNING:  
Read all instructions. Failure to follow all  
instructions listed below may result in electric  
shock, fire and/or serious injury. The term “power  
tool” in all of the warnings listed below refers  
to your mains-operated (corded) power tool or  
battery-operated (cordless) power tool.  
SAVE THESE INSTRUCTIONS  
WORK AREA SAFETY  
Keep work area clean and well lit. Cluttered or dark  
areas invite accidents.  
Do not operate power tools in explosive atmo-  
spheres, such as in the presence of flammable  
liquids, gases or dust. Power tools create sparks which  
may ignite the dust or fumes.  
Do not wear loose clothing or jewelry. Contain long  
hair. Loose clothes, jewelry, or long hair can be drawn  
into air vents.  
Keep children and bystanders away while operating a  
Do not use on a ladder or unstable support. Stable  
footing on a solid surface enables better control of the  
power tool in unexpected situations.  
power tool. Distractions can cause you to lose control.  
ELECTRICAL SAFETY  
POWER TOOL USE AND CARE  
Power tool plugs must match the outlet. Never modify  
the plug in any way. Do not use any adapter plugs with  
earthed (grounded) power tools. Unmodified plugs and  
matching outlets will reduce risk of electric shock.  
Do not force the power tool. Use the correct power  
tool for your application. The correct power tool will  
do the job better and safer at the rate for which it was  
designed.  
Avoid body contact with earthed or grounded surfaces  
such as pipes, radiators, ranges and refrigerators.  
There is an increased risk of electric shock if your body  
is earthed or grounded.  
Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of elec-  
tric shock.  
Do not use the power tool if the switch does not turn  
it on and off. Any power tool that cannot be controlled  
with the switch is dangerous and must be repaired.  
Disconnect the plug from the power source and/or  
the battery pack from the power tool before making  
any adjustments, changing accessories, or storing  
power tools. Such preventive safety measures reduce  
the risk of starting the power tool accidentally.  
Store idle power tools out of the reach of children and  
do not allow persons unfamiliar with the power tool  
or these instructions to operate the power tool. Power  
tools are dangerous in the hands of untrained users.  
Maintain power tools. Check for misalignment or bind-  
ing of moving parts, breakage of parts, and any other  
condition that may affect the power tool’s operation.  
If damaged, have the power tool repaired before use.  
Many accidents are caused by poorly maintained power  
tools.  
Do not abuse the cord. Never use the cord for carrying,  
pulling or unplugging the power tool. Keep cord away  
from heat, oil, sharp edges or moving parts. Damaged  
or entangled cords increase the risk of electric shock.  
When operating a power tool outdoors, use an exten-  
sion cord suitable for outdoor use. Use of a cord suit-  
able for outdoor use reduces the risk of electric shock.  
PERSONAL SAFETY  
Stay alert, watch what you are doing and use  
common sense when operating a power tool. Do  
not use a power tool while you are tired or under the  
influence of drugs, alcohol or medication. A moment  
of inattention while operating power tools may result in  
serious personal injury.  
Keep cutting tools sharp and clean. Properly main-  
tained cutting tools with sharp cutting edges are less  
likely to bind and are easier to control.  
Use the power tool, accessories and tool bits etc., in  
accordance with these instructions and in the manner  
intended for the particular type of power tool, taking  
into account the working conditions and the work to  
be performed. Use of the power tool for operations dif-  
ferent from those intended could result in a hazardous  
situation.  
Use safety equipment. Always wear eye protection.  
Safety equipment such as dust mask, non-skid safety  
shoes, hard hat, or hearing protection used for appropri-  
ate conditions will reduce personal injuries.  
Avoid accidental starting. Ensure the switch is in the  
off-position before plugging in. Carrying power tools  
with your finger on the switch or plugging in power tools  
that have the switch on invites accidents.  
3
 
GENERAL SAFETY RULES  
Whenservicingapowertool,useonlyidenticalreplace-  
mentparts.FollowinstructionsintheMaintenancesec-  
tion of this manual. Use of unauthorized parts or failure to  
follow Maintenance instructions may create a risk of  
shock or injury.  
SERVICE  
Have your power tool serviced by a qualified repair  
person using only identical replacement parts. This will  
ensure that the safety of the power tool is maintained.  
WARNING!  
To reduce the risk of injury, user must read  
instruction manual.  
SPECIFIC SAFETY RULES  
Hold power tools by insulated gripping surfaces when  
performing an operation where the cutting tool may  
contact hidden wiring or its own cord. Contact with a  
“live” wire will make exposed metal parts of the tool “live”  
and shock the operator.  
be carefully checked to determine that it will operate  
properly and perform its intended function. Check for  
alignment of moving parts, binding of moving parts,  
breakage of parts, mounting, and any other conditions  
that may affect its operation. A guard or other part that  
is damaged should be properly repaired or replaced  
by an authorized service center. Following this rule will  
reduce the risk of shock, fire, or serious injury.  
Know your power tool. Read operator’s manual care-  
fully. Learn its applications and limitations, as well  
as the specific potential hazards related to this tool.  
Following this rule will reduce the risk of electric shock, Make sure your extension cord is in good condition.  
fire, or serious injury.  
When using an extension cord, be sure to use one  
heavy enough to carry the current your product will  
draw. A wire gauge size (A.W.G.) of at least 16 is  
recommended for an extension cord 50 feet or less  
in length. A cord exceeding 100 feet is not recom-  
mended. If in doubt, use the next heavier gauge. The  
smaller the gauge number, the heavier the cord. An  
undersized cord will cause a drop in line voltage resulting  
in loss of power and overheating.  
Always wear safety glasses. Everyday eyeglasses  
have only impact-resistant lenses; they are NOT  
safety glasses. Following this rule will reduce the risk  
of serious personal injury.  
Protect your lungs. Wear a face or dust mask if the  
operation is dusty. Following this rule will reduce the  
risk of serious personal injury.  
Protect your hearing. Wear hearing protection during  
extended periods of operation. Following this rule will  
reduce the risk of serious personal injury.  
Inspect for and remove all nails from lumber before  
using this tool. Following this rule will reduce the risk of  
serious personal injury.  
Inspect tool cords periodically and, if damaged, have  
repaired at your nearest authorized service center.  
Constantly stay aware of cord location. Following this  
rule will reduce the risk of electric shock or fire.  
Save these instructions. Refer to them frequently and  
use them to instruct others who may use this tool. If you  
loan someone this tool, loan them these instructions  
also.  
Check damaged parts. Before further use of the  
tool, a guard or other part that is damaged should  
WARNING:  
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals  
known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:  
• lead from lead-based paints,  
• crystalline silica from bricks and cement and other masonry products, and  
• arsenic and chromium from chemically-treated lumber.  
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure  
to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust  
masks that are specially designed to filter out microscopic particles.  
4
 
SYMBOLS  
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpreta-  
tion of these symbols will allow you to operate the tool better and safer.  
SYMBOL  
NAME  
DESIGNATION/EXPLANATION  
V
Volts  
Voltage  
Current  
A
Hz  
W
Amperes  
Hertz  
Frequency (cycles per second)  
Watt  
Power  
min  
Minutes  
Time  
Alternating Current  
Type of current  
Direct Current  
Type or a characteristic of current  
Rotational speed, at no load  
n
No Load Speed  
o
Class II Construction  
Per Minute  
Double-insulated construction  
Revolutions, strokes, surface speed, orbits etc., per minute  
.../min  
Do not expose to rain or use in damp locations.  
Wet Conditions Alert  
To reduce the risk of injury, user must read and understand  
operator’s manual before using this product.  
Read The Operator’s Manual  
Always wear safety goggles, safety glasses with side shields, or  
a full face shield when operating this product.  
Eye Protection  
Safety Alert  
Precautions that involve your safety.  
Failure to keep your hands away from the blade will result in seri-  
ous personal injury.  
No Hands Symbol  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
No Hands Symbol  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
Hot Surface  
To reduce the risk of injury or damage, avoid contact with any  
hot surface.  
5
 
SYMBOLS  
The following signal words and meanings are intended to explain the levels of risk associated with this product.  
SYMBOL  
SIGNAL  
MEANING  
Indicates an imminently hazardous situation, which, if not avoided, will  
result in death or serious injury.  
DANGER:  
Indicates a potentially hazardous situation, which, if not avoided, could  
result in death or serious injury.  
WARNING:  
CAUTION:  
Indicates a potentially hazardous situation, which, if not avoided, may  
result in minor or moderate injury.  
(Without Safety Alert Symbol) Indicates a situation that may result in  
property damage.  
CAUTION:  
SERVICE  
WARNING:  
Servicing requires extreme care and knowledge and should  
be performed only by a qualified service technician. For  
service we suggest you return the product to your nearest  
AUTHORIZED SERVICE CENTER for repair. When servic-  
ing, use only identical replacement parts.  
To avoid serious personal injury, do not attempt  
to use this product until you read thoroughly and  
understand completely the operator’s manual.  
Save this operator’s manual and review frequently  
for continuing safe operation and instructing others  
who may use this product.  
WARNING:  
The operation of any power tool can result in foreign objects being thrown into your eyes, which can result  
in severe eye damage. Before beginning power tool operation, always wear safety goggles, safety glasses  
with side shields, or a full face shield when needed. We recommend Wide Vision Safety Mask for use over  
eyeglasses or standard safety glasses with side shields. Always use eye protection which is marked to  
comply with ANSI Z87.1.  
SAVE THESE INSTRUCTIONS  
6
 
ELECTRICAL  
DOUBLE INSULATION  
EXTENSION CORDS  
Double insulation is a concept in safety in electric power  
tools, which eliminates the need for the usual three-wire  
grounded power cord. All exposed metal parts are isolated  
from the internal metal motor components with protect-  
ing insulation. Double insulated tools do not need to be  
grounded.  
When using a power tool at a considerable distance from  
a power source, be sure to use an extension cord that has  
the capacity to handle the current the tool will draw. An  
undersized cord will cause a drop in line voltage, resulting in  
overheating and loss of power. Use the chart to determine  
the minimum wire size required in an extension cord. Only  
round jacketed cords listed by Underwriter’s Laboratories  
(UL) should be used.  
WARNING:  
When working outdoors with a tool, use an extension  
cord that is designed for outside use. This type of cord is  
designated with “WA” on the cord’s jacket.  
The double insulated system is intended to protect  
the user from shock resulting from a break in the  
tool’s internal wiring. Observe all normal safety  
precautions to avoid electrical shock.  
Before using any extension cord, inspect it for loose or  
exposed wires and cut or worn insulation.  
NOTE: Servicing of a tool with double insulation requires  
extreme care and knowledge of the system and should be  
performed only by a qualified service technician. For service,  
we suggest you return the tool to your nearest authorized  
service center for repair. Always use original factory replace-  
ment parts when servicing.  
**Ampere rating (on tool data plate)  
0-2.0  
2.1-3.4 3.5-5.0 5.1-7.0 7.1-12.0 12.1-16.0  
Cord Length  
Wire Size (A.W.G.)  
25'  
50'  
16  
16  
16  
16  
16  
16  
16  
16  
14  
16  
14  
12  
14  
14  
10  
14  
12  
ELECTRICAL CONNECTION  
100'  
This tool has a precision-built electric motor. It should be  
connected to a power supply that is 120 volts, 60 Hz, AC  
only (normal household current). Do not operate this tool  
on direct current (DC). A substantial voltage drop will cause  
a loss of power and the motor will overheat. If your tool does  
not operate when plugged into an outlet, double-check the  
power supply.  
**Used on 12 gauge - 20 amp circuit.  
NOTE: AWG = American Wire Gauge  
WARNING:  
Keep the extension cord clear of the working area.  
Position the cord so that it will not get caught on  
lumber, tools or other obstructions while you are  
working with a power tool. Failure to do so can  
result in serious personal injury.  
WARNING:  
Check extension cords before each use. If  
damaged replace immediately. Never use tool with  
a damaged cord since touching the damaged area  
could cause electrical shock resulting in serious  
injury.  
7
 
FEATURES  
PRODUCT SPECIFICATIONS  
Sanding Disc Diameter................................................ 6 in.  
Orbit Diameter...........................................1/8 in. or 1/4 in.  
No Load Speed ......................................4,000-10,000/min  
Input ..................................120 V, 60 Hz, AC only, 4 Amps  
Net Weight.............................................................. 6.3 lbs.  
VACUUM  
ADAPTOR  
1-1/4"  
DUST BAG  
LOCK-ON  
BUTTON  
DUAL RANDOM  
ORBIT SELECTOR  
VARIABLE SPEED  
DIAL  
FRONT  
HANDLE  
CORD WRAP  
SWITCH  
TRIGGER  
LIGHTED  
PLUG  
BACKING PAD  
Fig. 1  
8
 
FEATURES  
KNOW YOUR RANDOM ORBIT SANDER  
See Figure 1.  
Before attempting to use this product, familiarize yourself  
with all operating features and safety rules.  
INTEGRATED BRAKE PAD  
The integrated brake pad prevents pad “overspin.” This  
feature helps eliminate sanding scratches when you apply  
the sander to, or remove it from, a work surface.  
ADJUSTABLE FRONT HANDLE  
Foreaseofoperation, thefronthandlecanbeadjustedusing  
the supplied hex key.  
LIGHTED PLUG  
The lighted plug helps to easily identify live tools.  
LOCK-ON BUTTON  
BACKING PAD  
The hook and loop backing pad allows you to quickly and  
easily attach sanding discs.  
The lock-on feature allows you to lock the switch trigger in  
the ON position. Locking the switch trigger on allows you to  
operate the sander for extended periods of time.  
CORD WRAP  
The 12-foot power cord has a built-in cord wrap.  
SOFT START  
When a speed is selected with the variable speed dial and  
the sander is stopped and then reactivated, the sander will  
gradually ramp up to the previous speed setting once the  
switch trigger is pressed again.  
DUAL RANDOM ORBIT SELECTOR  
The random orbit motion provides overlapping sanding  
movements by combining orbital and turning motion.  
These overlapping sanding movements provide fast cutting  
action with excellent sanding results.  
VACUUM ADAPTOR  
The vacuum adaptor allows you to connect to a 1-1/4 in.  
or 2-1/2 in. diameter vacuum hose to help keep the work  
area clean.  
DUST BAG  
The dust bag attaches to the sander and keeps dust to a  
minimum.  
VARIABLE SPEED DIAL  
The variable speed feature allows the sander to develop a  
no load speed that can be adjusted from 4,000 to 10,000  
orbits per minute by rotating the dial from A (slowest) to F  
(fastest).  
ERGONOMIC DESIGN  
Your random orbit sander is designed for comfort and ease  
of operation in different positions and at different angles.  
ASSEMBLY  
UNPACKING  
This product has been shipped completely assembled.  
WARNING:  
If any parts are damaged or missing do not operate  
this tool until the parts are replaced. Failure to  
heed this warning could result in serious personal  
injury.  
Carefully remove the tool and any accessories from the  
box. Make sure that all items listed in the packing list are  
included.  
Inspect the tool carefully to make sure no breakage or  
damage occurred during shipping.  
Do not discard the packing material until you have care-  
WARNING:  
fully inspected and satisfactorily operated the tool.  
Do not attempt to modify this tool or create  
accessories not recommended for use with this  
tool. Any such alteration or modification is misuse  
and could result in a hazardous condition leading  
to possible serious personal injury.  
If any parts are damaged or missing, please call  
1-866-539-1710 for assistance.  
PACKING LIST  
Random Orbit Sander  
Sanding Disc, 80-grit (3)  
Handle Assembly  
Dust Bag Assembly  
Hex Key  
WARNING:  
Do not connect to power supply until assembly  
is complete. Failure to comply could result in  
accidental starting and possible serious personal  
injury.  
Operator’s Manual  
9
 
OPERATION  
WARNING:  
Do not allow familiarity with tools to make you  
careless. Remember that a careless fraction of a  
second is sufficient to inflict severe injury.  
HANDLE  
WARNING:  
HEX KEY  
Always wear safety goggles or safety glasses with  
side shields when operating tools. Failure to do so  
could result in objects being thrown into your eyes  
resulting in possible serious injury.  
WARNING:  
Fig. 2  
Do not use any attachments or accessories  
not recommended by the manufacturer of this  
tool. The use of attachments or accessories not  
recommended can result in serious personal  
injury.  
SANDING DISC SELECTION  
Selecting the correct size grit and type sanding disc is an  
extremely important step in achieving a high quality sanded  
finish. Aluminum oxide, silicon carbide, and other synthetic  
abrasives are best for power sanding. Natural abrasives,  
such as flint and garnet are too soft for economical use in  
power sanding.  
APPLICATIONS  
You may use this tool for the purposes listed below:  
Sanding wood or wood product surfaces  
Sanding steel surfaces  
In general, coarse grit will remove the most material and finer  
grit will produce the best finish in all sanding operations. The  
condition of the surface to be sanded will determine which  
grit will do the job. If the surface is rough, start with a coarse  
grit and sand until the surface is uniform. Medium grit may  
then be used to remove scratches left by the coarser grit and  
finer grit used for finishing of the surface. Always continue  
sanding with each grit until surface is uniform.  
Removing rust from steel surfaces  
ATTACHING THE FRONT HANDLE  
See Figure 2.  
Unplug the sander.  
Place handle in the desired position.  
Tighten the handle by inserting the hex key into the  
handle hole, engaging the hex screw inside, and turning  
clockwise.  
10  
 
OPERATION  
SANDING DISC  
ATTACHING HOOK AND LOOP SANDING  
DISC  
See Figure 3.  
To attach hook and loop sanding disc:  
Unplug the sander.  
Align the holes in the sanding disc with the holes in the  
hook and loop backing pad.  
Press the sanding disc against the backing pad as firmly  
HOOK  
as possible.  
AND LOOP  
NOTE: To provide for the best adhesion, we recom-  
mend that you clean the backing pad and the sanding  
disc backing occasionally by brushing them lightly with  
a small brush.  
BACKING PAD  
SELECTING THE ORBIT DIAMETER  
See Figure 4.  
Fig. 3  
The dual random orbit selector allows you to choose  
between two orbits: the 1/8 in. orbit setting produces a  
finer surface finish, while the 1/4 in. orbit setting increases  
the removal rate.  
With the sander held in normal operating position, the dual  
random orbit selector should be positioned to the left of the  
switch trigger for a 1/4 in. orbit diameter. The dual random  
orbit selector should be positioned to the right of the switch  
trigger for a 1/8 in. orbit diameter.  
VARIABLE SPEED DIAL  
See Figure 5.  
The variable speed dial allows the sander to operate at  
speeds that can be adjusted by rotating the dial from A to F.  
The dial is conveniently located on the motor housing, allow-  
ing operator control of disc speed. To increase sanding disc  
speed, turn the variable speed dial to a higher setting. Turn  
dial to a lower setting to decrease sanding disc speed.  
DUAL RANDOM  
ORBIT SELECTOR  
Fig. 4  
Recommended speed settings are as follows:  
Speed  
A - B  
C - D  
E - F  
Surface/Application  
plastic, plexiglass  
metal finishing, old paint removal  
wood/coarse and fine sanding  
TO INCREASE SPEED  
TO DECREASE SPEED  
Fig. 5  
11  
 
OPERATION  
ATTACHING THE DUST BAG  
See Figure 6.  
DUST BAG  
The dust bag provides a dust collection system for the  
sander. Sanding dust is drawn up through the holes of  
the sanding disc and collected in the dust bag during  
sanding.  
To attach the dust bag:  
Unplug the sander.  
Slide dust bag assembly onto blower exhaust turning  
clockwise to tighten.  
Fig. 6  
ATTACHING THE SANDER TO A VACUUM  
See Figure 7.  
To attach the sander to a vacuum:  
1-1/4 in. VACUUM HOSE  
Unplug the sander.  
Turn the dust bag counterclockwise to remove from  
sander.  
1-1/4"  
Attach the vacuum hose to the vacuum adaptor.  
WARNING  
VACUUM  
ADAPTOR  
When sander is not connected to vacuum, always  
install dust bag back on sander. Failure to do so  
could cause sanding dust or foreign objects to be  
thrown into the face or eyes which could result in  
possible serious injury.  
2-1/2 in. VACUUM HOSE  
2-1/2"  
NOTE: A standard 1-1/4 in. vacuum hose fits inside the  
smaller diameter hole inside the dust exhaust, while a stan-  
dard 2-1/2 in. vacuum hose connection fits inside the larger  
hole of the dust exhaust.  
Fig. 7  
LOCK-ON BUTTON  
TURNING THE SANDER ON/OFF  
See Figure 8.  
Depress the switch trigger to turn the sander ON. Release  
the switch trigger to turn the sander OFF.  
LOCKING ON THE SANDER  
See Figure 8.  
The sander is equipped with a lock-on feature, which is  
convenient for continuous sanding for extended periods  
of time.  
WARNING:  
Before connecting the sander to a power supply,  
make sure it is not in the locked-on position. Failure  
to do so could result in accidental starting of the  
tool resulting in serious injury.  
SWITCH TRIGGER  
Fig. 8  
To lock on the sander:  
If you have the lock-on feature engaged during use and the  
sander is accidentally disconnected from the power supply,  
disengagethelock-onfeatureimmediately. Also, donotlock  
the switch trigger if you might need to suddenly stop the  
sander.  
Depress the switch trigger.  
Push in the lock-on button.  
Release the switch trigger.  
Release the lock-on button.  
NOTE: To release the lock, depress the switch trigger.  
12  
 
OPERATION  
OPERATING THE SANDER  
See Figure 9.  
To operate the sander:  
Secure the workpiece to prevent it from moving during  
R
O
A
E
operation.  
L
C
W
P
E
L
F
E
K
R
I
A
R
O
WARNING:  
Unsecured workpieces could be thrown towards  
the operator causing injury.  
A
E
L
C
W
P
E
L
F
E
K
R
I
A
AIR VENTS  
WARNING:  
Keep your head away from the sander and the  
sanding area. Your hair could be drawn into the  
sander, causing serious injury.  
Fig. 9  
Place the sander on the workpiece so that all of the sand-  
ing disc surface is in contact with the workpiece.  
CAUTION:  
To avoid motor damage resulting from overheating,  
do not cover the air vents with your hand.  
DUST BAG  
Turn on the sander and move it slowly over the workpiece.  
Make successive passes in parallel lines, circles, or cross-  
wise movements.  
Turn off the sander and wait until the sanding disc  
comes to a complete stop before removing it from the  
workpiece.  
Do not force. The weight of the unit supplies adequate  
pressure to do the work. Applying additional pressure only  
slows the motor, rapidly wears the sanding sheet, and greatly  
reduces sander speed. Excessive pressure will overload the  
motor causing possible damage from overheating and can  
result in inferior work. Any finish or resin on wood may soften  
from the frictional heat. Do not sand on one spot too long  
as the sander’s rapid action may remove too much material,  
making the surface uneven.  
Fig. 10  
WARNING:  
Collected sanding dust from sanding surface  
coatingssuchaspolyurethanes, linseedoil, 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 and never  
store or leave a sander without totally emptying its  
dust bag. Also follow the recommendations of the  
coatings manufacturers.  
Extended periods of sanding may overheat the motor. If this  
occurs, turn the sander off and wait until the sanding sheet  
comes to a complete stop. Remove sander from workpiece.  
Remove sanding disc, then turn sander on, and run it free  
without a load to cool the motor.  
To empty the dust bag:  
EMPTYING THE DUST BAG  
Unplug the sander.  
See Figure 10.  
Remove the dust bag from the sander.  
Shake out the dust.  
Formoreefficientoperation,emptythedustbagwhenitisno  
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.  
Reattach the dust bag to the sander.  
For a more thorough cleaning of the dust bag, remove dust  
bag from frame and shake out dust. Replace dust bag over  
frame then install dust bag assembly on sander.  
13  
 
MAINTENANCE  
BRUSH REPLACEMENT  
See Figure 11.  
WARNING:  
When servicing use only identical RIDGID  
replacement parts. Use of any other parts may  
create a hazard or cause product damage.  
Unplug the sander.  
WARNING:  
Failure to unplug the tool could result in accidental  
starting causing possible serious injury.  
WARNING:  
Always wear safety goggles or safety glasses with  
side shields during power tool operation or when  
blowing dust. If operation is dusty, also wear a  
dust mask.  
TOP  
COVER  
SCREWS  
GENERAL MAINTENANCE  
Avoid using solvents when cleaning plastic parts. Most  
plastics are susceptible to damage from various types of  
commercial solvents and may be damaged by their use. Use  
clean cloths to remove dirt, dust, oil, grease, etc.  
BRUSH  
ASSEMBLY  
LEAD  
LEAD  
WARNING:  
Do not at any time let brake fluids, gasoline,  
petroleum-based products, penetrating oils, etc.,  
come in contact with plastic parts. Chemicals can  
damage, weaken or destroy plastic which may  
result in serious personal injury.  
Electric tools used on fiberglass material, wallboard, spack-  
ling compounds, or plaster are subject to accelerated wear  
and possible premature failure because the fiberglass chips  
and grindings are highly abrasive to bearings, brushes, com-  
mutators, etc. Consequently, we do not recommended using  
this tool for extended work on these types of materials. How-  
ever, if you do work with any of these materials, it is extremely  
important to clean the tool using compressed air.  
Fig. 11  
Remove screws (7) from top cover of sander.  
Remove top cover.  
LUBRICATION  
Disconnect lead terminals from brush tubes.  
Remove brush assemblies (2).  
All of the bearings in this tool are lubricated with a sufficient  
amount of high grade lubricant for the life of the unit under  
normal operating conditions. Therefore, no further lubrication  
is required.  
Check for wear. Replace both brush assemblies when  
either has less than 1/4 in. length of carbon remaining.  
Do not replace one side without replacing the other.  
Reassemble using new brush assemblies. Make sure  
curvature of brush matches curvature of motor and that  
brush moves freely in brush tube.  
Reassemble by reversing the steps listed above.  
Tighten all screws securely. Do not over tighten.  
14  
 
WARRANTY  
RIDGID® HAND HELD AND STATIONARY POWER TOOL  
3 YEAR LIMITED SERVICE WARRANTY  
Proof of purchase must be presented when requesting war-  
ranty service.  
WHAT IS NOT COVERED  
This warranty applies only to the original purchaser at retail  
and may not be transferred. This warranty only covers de-  
fects arising under normal usage and does not cover any  
malfunction, failure or defect resulting from misuse, abuse,  
neglect, alteration, modification or repair by other than an  
authorized service center for RIDGID® branded hand held  
and stationary power tools. Consumable accessories pro-  
vided with the tool such as, but not limited to, blades, bits  
and sand paper are not covered.  
Limited to RIDGID® hand held and stationary power tools  
purchased 2/1/04 and after. This product is manufactured  
by One World Technologies, Inc. The trademark is licensed  
from RIDGID, Inc. All warranty communications should be  
directed to One World Technologies, Inc., attn: RIDGID Hand  
Held and Stationary Power Tool Technical Service at (toll  
free) 1-866-539-1710.  
90-DAY SATISFACTION GUARANTEE POLICY  
During the first 90 days after the date of purchase, if you are  
dissatisfied with the performance of this RIDGID® Hand Held  
and Stationary Power Tool for any reason you may return  
the tool to the dealer from which it was purchased for a full  
refund or exchange. To receive a replacement tool you must  
present proof of purchase and return all original equipment  
packaged with the original product. The replacement tool  
will be covered by the limited warranty for the balance of  
the 3 YEAR service warranty period.  
RIDGID, INC. AND ONE WORLD TECHNOLOGIES, INC.  
MAKE NO WARRANTIES, REPRESENTATIONS OR  
PROMISES AS TO THE QUALITY OR PERFORMANCE  
OF ITS POWER TOOLS OTHER THAN THOSE SPECIFI-  
CALLY STATED IN THIS WARRANTY.  
ADDITIONAL LIMITATIONS  
To the extent permitted by applicable law, all implied war-  
ranties, including warranties of MERCHANTABILITY or FIT-  
NESS FOR A PARTICULAR PURPOSE, are disclaimed. Any  
implied warranties, including warranties of merchantability  
or fitness for a particular purpose, that cannot be disclaimed  
under state law are limited to three years from the date of  
purchase. One World Technologies, Inc. and RIDGID, Inc.  
are not responsible for direct, indirect, incidental or conse-  
quential damages. Some states do not allow limitations on  
how long an implied warranty lasts and/or do not allow the  
exclusion or limitation of incidental or consequential dam-  
ages, so the above limitations may not apply to you. This  
warranty gives you specific legal rights, and you may also  
have other rights which vary from state to state.  
WHAT IS COVERED UNDER THE 3 YEAR  
LIMITED SERVICE WARRANTY  
This warranty on RIDGID® Hand Held and Stationary Power  
Tools covers all defects in workmanship or materials and nor-  
mal wear items such as brushes, chucks, motors, switches,  
cords, gears and even cordless batteries in this RIDGID®  
tool for three years following the purchase date of the tool.  
Warranties for other RIDGID® products may vary.  
HOW TO OBTAIN SERVICE  
To obtain service for this RIDGID® tool you must return it;  
freight prepaid, or take it in to an authorized service center  
for RIDGID® branded hand held and stationary power tools.  
You may obtain the location of the authorized service center  
nearest you by calling (toll free) 1-866-539-1710 or by log-  
ging on to the RIDGID® website at www.ridgid.com. When  
requesting warranty service, you must present the original  
dated sales receipt. The authorized service center will re-  
pair any faulty workmanship, and either repair or replace  
any part covered under the warranty, at our option, at no  
charge to you.  
One World Technologies, Inc.  
P.O. Box 35, Hwy. 8  
Pickens, SC 29671  
15  
 
OPERATOR’S MANUAL  
RANDOM ORBIT SANDER  
DOUBLE INSULATED  
VARIABLE SPEED  
R2611  
Customer Service Information:  
For parts or service, contact your nearest RIDGID authorized service center. Be  
sure to provide all relevant information when you call or visit. For the location of  
the authorized service center nearest you, please call 1-866-539-1710 or visit us  
The model number of this tool is found on a plate attached to the motor housing.  
Please record the serial number in the space provided below. When ordering repair  
parts, always give the following information:  
R2611  
Model No.  
Serial No.  
983000-861  
3-24-06 (REV:02)  
 

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