REPLACEMENT PARTS ..........................................................13
SERVICE AND REPAIRS ......................................................... 13
FRANÇAIS ................................................................................ 14
ESPAÑOL .................................................................................27
IMPORTANT SAFETY INSTRUCTIONS
READ AND UNDERSTAND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING THIS
EQUIPMENT. Failure to follow all instructions listed below, may result in electric shock, fire, and/or
serious personal injury or property damage.
Woodworking can be dangerous if safe and proper operating procedures are not followed. As with all
machinery, there are certain hazards involved with the operation of the product. Using the machine with
respect and caution will considerably lessen the possibility of personal injury. However, if normal safety
precautions are overlooked or ignored, personal injury to the operator may result. Safety equipment such as
guards, push sticks, hold-downs, featherboards, goggles, dust masks and hearing protection can reduce your potential
for injury. But even the best guard won’t make up for poor judgment, carelessness or inattention. Always use common sense and exercise caution in the workshop. If a procedure feels dangerous, don’t try it. Figure out an alternative
procedure that feels safer. REMEMBER: Your personal safety is your responsibility. For additional information please
visit our website www.DeltaMachinery.com.
This machine was designed for certain applications only. DELTA® Power Equipment Corporation strongly
recommends that this machine not be modified and/or used for any application other than that for
which it was designed. If you have any questions relative to a particular application, DO NOT use the machine until you
have first contacted DELTA® to determine if it can or should be performed on the product.
If you have any questions relative to its application DO NOT use the product until you have written DELTA® Power Equipment
Corporation and we have advised you. Contact us online at www.DeltaMachinery.com or by mail at Technical Service Manager,
DELTA® Power Equipment Corporation, 99 Roush Street, Anderson, South Carolina 29625.
Information regarding the safe and proper operation of this tool is available from the following sources:
• Power Tool Institute, 1300 Sumner Avenue, Cleveland, OH 44115-2851or online at www.powertoolinstitute.com
• National Safety Council, 1121 Spring Lake Drive, Itasca, IL 60143-3201
• American National Standards Institute, 25 West 43rd Street, 4 floor, New York, NY 10036 www.ansi.org - ANSI 01.1
Safety Requirements for Woodworking Machines
• U.S. Department of Labor regulations www.osha.gov
2
SAFETY GUIDELINES - DEFINITIONS
This manual contains information that is important for you to know and understand. This information relates to protecting
YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the
symbols below. Please read the manual and pay attention to these sections.
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
Used without the safety alert symbol indicates potentially hazardous situation which, if not avoided, may
result in property damage.
GENERAL SAFETY RULES
WARNING FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY.
FOR YOUR OWN SAFETY, READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE OPERATING THE
•
UNIT.
Learn the unit’s application and limitations as well as the specific hazards peculiar to it.
KEEP WORK AREA CLEAN.
•
DON’T USE IN DANGEROUS ENVIRONMENT.
•
work area well-lighted.
KEEP CHILDREN AND VISITORS AWAY.
•
DISCONNECT UNIT
•
CHECK DAMAGED PARTS.
•
before servicing.
Cluttered areas and benches invite accidents.
Don’t use this unit in damp or wet locations, or expose it to rain. Keep
All children and visitors should be kept a safe distance from work area.
Before further use of the unit, properly repair or replace any part that is damaged.
FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS INJURY.
1. Read and understand the warnings posted on the
machine and in this manual. Failure to comply with all
of these warnings may cause serious injury.
2. Replace the warning labels if they become obscured
or removed.
3. This Disc Sander is designed and intended for use
by properly trained and experienced personnel
only. If you are not familiar with the proper and safe
operation of an edge sander, do not use until proper
training and knowledge have been obtained.
4. Do not use this machine for other than its intended
use. If used for other purposes, DELTA® Power
Equipment Company, Inc. disclaims any real or
implied warranty and holds itself harmless from any
injury that may result from that use.
5. Always wear approved safety glasses/face shields
while using this disc sander.
6. Before operating this sander, remove tie, rings,
watches and other jewelry, and roll sleeves up past
the elbows. Remove all loose clothing and confine
long hair. Non-slip footwear or anti-skid floor strips
are recommended. Do not wear gloves.
7. Wear ear protectors (plugs or muffs) during extended
periods of operation.
8. Some dust created by power sanding, sawing,
grinding, drilling and other construction activities
contain chemicals known to cause cancer, birth
defects or other reproductive harm. Some examples
of these chemicals are:
• Lead from lead based paint.
• Crystalline silica from bricks, cement and other
masonry products.
• Arsenic and chromium from chemically treated lumber.
Your risk of exposure 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 face or
dust masks that are specifically designed to filter out
microscopic particles.
9. Do not operate this machine while tired or under the
influence of drugs, alcohol or any medication.
10. Make certain the switch is in the OFF position before
connecting the machine to the power source.
11. Make certain the machine is properly grounded.
12. Make all machine adjustments or maintenance with
the machine unplugged from the power source.
13. Form a habit of checking to see that all extra
equipment such as adjusting keys, wrenches, scrap,
stock, and cleaning rags are removed away from the
machine before turning on.
14. Keep safety guards in place at all times when the
continued on page 4
3
machine is in use. If removed for maintenance
purposes, use extreme caution and replace the
guards immediately when maintenance is complete.
15. Make sure the sander is firmly secured before use.
16. Check damaged parts. Before further use of the
machine, a guard or other part that is damaged
should 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.
17. Provide for adequate space surrounding work area
and non-glare, overhead lighting.
18. Keep the floor around the machine clean and free of
scrap material, oil and grease.
19. Keep visitors a safe distance from the work area.
Keep children away.
20. Make your workshop child proof with padlocks,
master switches or by removing starter keys.
21. Give your work undivided attention. Looking around,
carrying on a conversation and “horse-play” are
careless acts that can result in serious injury.
22. Maintain a balanced stance at all times so that you
do not fall or lean against the sanding disc or other
moving parts. Do not overreach or use excessive
force to perform any machine operation.
23. Use the right tool at the correct speed and feed rate.
Do not force a tool or attachment to do a job for
which it was not designed. The right tool will do the
job better and safer.
24. Use recommended accessories; improper
accessories may be hazardous.
25. Maintain machinery with care. Follow instructions for
lubricating and changing accessories.
26. Turn off the machine before cleaning. Use a brush or
compressed air to remove dust or debris — do not
use your hands.
27. Do not stand on the machine. Serious injury could
occur if the machine tips over.
28. Never leave the machine running unattended. Turn
the power off and do not leave the machine until it
comes to a complete stop.
29. At all times hold the stock firmly.
30. Do not use this sander for other than it intended use.
If used for other purposes, DELTA® Power Equipment
Corporation. disclaims any real or implied warranty
and holds itself harmless for any injury or damage
which may result from that use.
Familiarize yourself with the following safety notices used
in this manual:
This means that if precautions are not heeded, it may
result in minor injury and/or possible machine damage.
This means that if precautions are not heeded, it may
result in serious injury or possibly even death.
SAVE THESE INSTRUCTIONS.
Refer to them often and use them to instruct others.
4
POWER CONNECTIONS
A separate electrical circuit should be used for your machines. This circuit should not be less than #12 wire and should
be protected with a 20 Amp time lag fuse. If an extension cord is used, use only 3-wire extension cords which have
3-prong grounding type plugs and matching receptacle which will accept the machine’s plug. Before connecting the
machine to the power line, make sure the switch (s) is in the "OFF" position and be sure that the electric current is of
the same characteristics as indicated on the machine. All line connections should make good contact. Running on low
voltage will damage the machine.
DO NOT EXPOSE THE MACHINE TO RAIN OR OPERATE THE MACHINE IN DAMP LOCATIONS.
MOTOR SPECIFICATIONS
Your machine is wired for 115 volts, 60 HZ alternating current. Before connecting the machine to the power source,
make sure the switch is in the “OFF" position.
GROUNDING INSTRUCTIONS
THIS MACHINE MUST BE GROUNDED WHILE IN USE TO PROTECT THE OPERATOR FROM
ELECTRIC SHOCK.
1. All grounded, cord-connected machines:
In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce
the risk of electric shock. This machine is equipped with an electric cord having an equipment-grounding conductor and
a grounding plug. The plug must be plugged into a matching outlet that is properly installed and grounded in accordance
with all local codes and ordinances.
Do not modify the plug provided - if it will not fit the outlet, have the proper outlet installed by a qualified electrician.
Improper connection of the equipment-grounding conductor can result in risk of electric shock. The conductor with
insulation having an outer surface that is green with or without yellow stripes is the equipment-grounding conductor. If
repair or replacement of the electric cord or plug is necessary, do not connect the equipment-grounding conductor to a
live terminal.
Check with a qualified electrician or service personnel if the grounding instructions are not completely understood, or if
in doubt as to whether the machine is properly grounded.
Use only 3-wire extension cords that have 3-prong grounding type plugs and matching 3-conductor receptacles that
accept the machine’s plug, as shown in Fig. A.
Repair or replace damaged or worn cord immediately.
IN ALL CASES, MAKE CERTAIN THE RECEPTACLE IN QUESTION IS PROPERLY GROUNDED.
IF YOU ARE NOT SURE, HAVE A QUALIFIED ELECTRICIAN CHECK THE RECEPTACLE.
GROUNDED
OUTLET BOX
CURRENT
CARRYING
PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
GROUNDED OUTLET BOX
GROUNDING
MEANS
ADAPTER
FIG. AFIG. B
5
EXTENSION CORDS
Use proper extension cords. Make
sure your extension cord is in good
condition and is a 3-wire extension cord which has a
3-prong grounding type plug and matching
receptacle which will accept the machine’s plug.
When using an extension cord, be sure to use one
heavy enough to carry the current of the machine.
An undersized cord will cause a drop in line voltage,
resulting in loss of power and overheating. The table
shows the correct gauge to use depending on the
cord length. If in doubt, use the next heavier gauge.
The smaller the gauge number, the heavier the cord.
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere
Rating
0-6
0-6
0-6
0-6
6-10
6-10
6-10
6-10
10-12
10-12
10-12
10-12
12-16
12-16
12-16
VoltsTotal Length
120
120
120
120
120
120
120
120
120
120
120
120
120
120
120
of Cord in
Feet
up to 25
25-50
50-100
100-150
up to 25
25-50
50-100
100-150
up to 25
25-50
50-100
100-150
up to 25
25-50
GREATER THAN 50 FEET NOT RECOMMENDED
FIG. C
Gauge of Extension
Cord
18 AWG
16 AWG
16 AWG
14 AWG
18 AWG
16 AWG
14 AWG
12 AWG
16 AWG
16 AWG
14 AWG
12 AWG
14 AWG
12 AWG
KEY FEATURES AND COMPONENTS
A. Cast iron tilting table
B. Disc plate
C. Sanding disc
D. 2 1/4” dust port
E. Power switch
F. Table locking wing nut
G. Miter gauge slot
H. Disc brake
I. ½ HP, 120V motor
J. Safety key
K. Table tilt adjustment knob
FIG. 1
6
FUNCTIONAL DESCRIPTION
The DELTA® 12” Disc Sander is designed for sanding or polishing flat or beveled surfaces on wood and plastic materials.
PRODUCT SPECIFICATIONS
Speed: 1725 RPM
Disc Diameter: 12”
Table Tilt: +45° to -45°
Height: 15”
Width: 17 ¼”
Shipping Weight: 81 lbs
Motor: ½ HP, 120 V, 1 Phase, 60 HZ
Table Size: 17 ¼” x 6 ¼”
Dust Collection Outlet: 2 ¼”
Miter Gauge Groove: 3/8” x 3/4"
Length: 17 ¾”
Weight: 72 lbs
UNPACKING
The machine is heavy, be careful when removing it from the shipping container! Failure to comply may
cause serious injury and/or damage to the sander and/or property!
Your DELTA® 12” Disc Sander comes packed in a single container. Use a safety strap to avoid tip-over when lifting
machine. Check shipping carton and machine for damage before unpacking.
Open the shipping container. Carefully remove packaging materials, parts and machine from shipping carton. Always
check for and remove protective shipping materials around motors and moving parts. Lay out all parts on a clean work
surface and check that all parts are present and in good condition:
DESCRIPTION (QUANTITY)
• 12” disc sander (1)
• Dust collection hose with 2 ¼” port
adaptor (1)
• Brake lever assembly (1)
Compare the items to inventory figures; verify that all items are accounted for before discarding the shipping box. Report
any missing or damaged parts to your distributor or dealer. Prior to tool assembly and use, read this manual thoroughly
to familiarize yourself with proper assembly, maintenance and safety procedures.
Remove any protective materials and coatings from all of the parts and the disc sander. The protective coatings can be
removed by spraying WD-40 on them and wiping it off with a soft cloth. This may need redone several times before all of
the protective coatings are removed completely
If any parts are missing, do not attempt to plug in the power cord and turn “ON" the machine. The
machine should only be turned “ON" after all the parts have been obtained and installed correctly.
• Miter gauge
• 2.5mm Allen wrench (1)
• 4mm Allen wrench (1)
7
INSTALL BRAKE LEVER
ASSEMBLY
• Refer to Figure 2 and remove the 2 hex screws (A)
from the disc housing using the 2.5mm Allen wrench
supplied.
• Align the screw holes in the brake lever assembly (B)
with the holes in the disc housing and secure using the
hex screws removed in Step 1.
ASSEMBLY
FIGURE 2
SECURE TOOL TO SUPPORTING SURFACE
Important: If during operation there is any tendency
for the sander to tip over, slide or walk on the
supporting surface, the sander must be secured to
the supporting surface.
To secure the sander to the supporting surface, use
screws or bolts and nuts through the four holes (A) as
shown in Figure 3.
CONNECT DUST HOSE TO
DUST COLLECTOR SYSTEM
A
FIGURE 3
The 12" Disc Sander has an efficient, integral
fan which provides excellent dust collection. It
is recommended that the machine be attached
to a dust collector using the 2 1/4” dust port (A)
shown in Figure 4.
If a dust collector is not available, insert one end
of the supplied dust hose (B) into the dust port
and place the other end of the dust hose into a
garbage can or other receptacle.
FIGURE 4
8
OPERATION
STARTING AND STOPPING SANDER
Failure to read and understand the instructions, warnings and safety guidelines provided in this manual
may lead to serious injury and / or damage to machine or the work piece.
Be sure the sanding disc is securely installed onto the disc plate.
Make sure the table tilt locking levers are secured and that the table is locked in place at the desired
angle or tilt.
Make sure the machine is installed on a flat, sturdy and stable surface able to support the weight of the
machine and the work piece to be sanded.
NOTE: The DELTA® 12” Disc Sander uses a Safety Key
(A), shown in Figure 5. The Safety Key must be in place in
order to operate the machine. Before attempting to turn
on the sander, ensure the Safety Key is installed.
• The ON/OFF switch (B) is located on the top of the
motor. To turn the sander “ON”, move the switch
toward rear of sander.
• To turn the sander “OFF”, move switch to the front
position as shown.
NOTE: The sanding disc on this sander rotates
counterclockwise. In order to prevent injury and
produce good results, always sand on the left side
of the table only. Never work on the right side of the
table where the disc is rotating up as it is difficult to
control the work piece.
REMOVING THE SAFETY KEY TO LOCK SANDER
When the tool is not in use, the switch should be locked
in the “OFF” position. This can be done by grasping
the Safety Key (A), shown in Figure 5, and pulling it out
of the switch. With the Safety Key removed the switch
will not operate. Should the Safety Key be removed
while the machine is running, the switch can be turned
“OFF” once, but cannot be restarted without inserting
the Safety Key.
USING THE MANUAL DISC BRAKE
Apply the brake when the switch is in
the “off” position only. Applying the
brake while switch is in the “on” position may
damage the machine.
This 12" Disc Sander is equipped with a manual disc
brake that brings the sanding disc to a safe stop once
the power switch has been turned to the “OFF” position.
The manual disc brake should only be used once the
sander has been turned off. To apply the manual disc
brake, press down on brake lever (A) as shown in Figure
6.
FIGURE 5
FIGURE 6
9
OPERATION
ANGLED AND END SANDING USING THE MITER GAUGE
The majority of work performed on the DELTA® 12” Disc
Sander is usually accomplished using the table as a
support. For accurate sanding of angled and end-grain
surfaces, as shown in Figure 7, your disc sander comes
with an adjustable miter gauge (A) and 3/8" x 3/4" t-slot
(B) machined into the table. To use the provided miter
gauge for angled or end-grain sanding , do the following:
make certain machine is
disconnected from power source
before making adjustments.
• Slide the miter gauge into the t-slot.
• Loosen the miter adjustment handle (C) by rotating it
to the left and adjust the miter gauge to the desired
sanding angle. Tighten the miter adjustment handle.
• Ensure the workpiece is positioned along the miter
gauge before turning the machine on and starting to
work.
BEVEL SANDING USING THE TABLE TILT
Make certain machine is
disconnected from power source
before making adjustments.
The table can be tilted up to 45 degrees up or down.
A scale (A), Figure 8, and pointer (B) are provided to
indicate the degree of tilt. Ball-indent positive stops on
the tilt adjustment indicator are located at 0°, 35°, and
45°.
To tilt the table up or down, loosen table locking wing
nut (C) and rotate the knob (D). As the knob is rotated,
the table will pivot either up or down. Turning the knob
clockwise will make the table tilt downward. Turning the
knob counterclockwise will tilt the table upward. Pivot
the table until desired angle is established. Then tighten
table locking wing nut.
Regardless of which position the
table is tilted, the table edge (E),
shown in Figure 10, must be no more than 1/16"
from the sanding disc to avoid trapping the work or
fingers between the table and sanding disc. To
adjust the position of the table relative to the
sanding disc, see “adjusting miter gauge slot
alignment “ on page 11.
table tilted down as shown in Figure 9; however, if
there is a need to tilt the table up, the workpiece
must be securely fastened or clamped to a fixture or
jig to prevent the workpiece from being torn from
hands and becoming trapped between the table and
sanding disc. See Figure 10.
FIGURE 7
We suggest that all bevel sanding
applications be performed with the
FIGURE 9
FIGURE 8
FIGURE 10
10
ADJUSTMENTS
ADJUSTING MITER GAGE SLOT ALIGNMENT
Make certain machine is
disconnected from power source
before making adjustments.
• Check to see if the miter gage slot (A), shown in Figure
11, is parallel with the disc by placing a combination
square in the miter gage slot with one end of the
square against the disc as shown.
• Using a pencil, make a mark on the abrasive disc
where the square contacts the disc.
• Rotate the disc 180° and check the distance between
the disc and miter gauge slot at the opposite end of
the table. If an adjustment is necessary, proceed as
follows:
NOTE: When making the following adjustment, ensure
the table locking wing nut is tightened.
• Using the supplied hex wrench, loosen the four screws
(B) indicated in Figure 12, which secure the table to the
trunnions.
• Adjust the table by moving it in or out until the miter
gage slot is equidistant from the disc at both ends of
the table.
• Tighten the four screws securing the table to the
trunnions.
To avoid trapping the work or fingers
between the table and sanding disc,
the table edge should be positioned a maximum of
1/16" from the sanding disc.
FIGURE 11
FIGURE 12
SQUARING TABLE TO THE
SANDING DISC
Make certain machine is disconnected
from power source before making
adjustments.
• Referring to Figure 13, ensure table tilt indicator (A) is
set to 0°.
• Place an accurate square on the table with one end of
the square against the disc. If the table is not square to
the disc, proceed as follows:
• Loosen the table locking wing nut (B).
• Locate the 0° set screw which is located beneath the
table and loosen the retaining nut on the set screw.
• Rotate the 0° set screw and re-measure using the
square, repeating until the table is square with the
abrasive disc.
• Once the table is square, retighten the retaining nut on
the 0° set screw.
• Tighten table locking wing nut.
• Re-calibrate table tilt indicator by loosening the
indicator retaining screw and positioning the tilt
indicator to the 0° mark on the scale.
• Tighten indicator retaining screw.
FIGURE 13
11
RECOMMENDED MAINTENANCE
NOTE: Disconnect machine from power source before
performing any maintenance.
LUBRICATION
All bearings are sealed and permanently lubricated. No
further lubrication is needed.
ROUTINE INSPECTION
It is recommended that you periodically inspect your
spindle sander as a precautionary action. During this
time, check for the following:
• Inspect all hardware, fittings and fasteners that may
have loosened due to vibration and re-tighten as
needed.
• Check for dust and/or wood particles that may have
accumulated on or in the machine. Check all dust
collection fittings – re-tighten as needed.
• Inspect the ON/OFF SWITCH for damage before each
use. Periodically inspect the power cord and plug for
damage. If necessary replace the power cord and the
plug at the first signs of visible damage.
REPLACING THE SANDING DISC
Make certain machine is
disconnected from power source.
• To remove sanding disc (A), simply peel old abrasive
disc from machine as shown.
• To install a new abrasive disc, make sure the disc plate
(B) is clean, dry, and free from any oil, grease, or old
adhesive.
• Peel back half the adhesive backing from the new disc
and slide between the table and disc plate so that the
half without the backing is aligned with the top half of
the disc plate.
• Press top half of sanding disc onto top half of disc
plate.
• Manually rotate disc plate one-half turn, remove
remainder of adhesive backing and firmly press sanding
disc onto disc plate.
Make certain the sanding disc is
securely in position before connecting
machine to a power source.
ACCESSORIES
A complete line of accessories is available from your DELTA® Supplier, DELTA® Factory Service Centers, and DELTA®
Factory Service Centers, and DELTA® Authorized Service Centers. Please visit our Web Site www.DeltaMachinery.
com for an online catalog or for the name or your nearest supplier.
Since accessories other than those offered by DELTA® have not been tested with this product,
use of such accessories could be hazardous. For safest operation, only DELTA® recommended
accessories should be used with this product.
WARRANTY
To register your tool for warranty service visit our website at www.DeltaMachinery.com.
Five Year Limited New Product Warranty
DELTA® will repair or replace, at its expense and at its option, any new DELTA® machine, machine part, or machine accessory which in normal
use has proven to be defective in workmanship or material, provided that the customer returns the product prepaid to a DELTA® factory service
center or authorized service station with proof of purchase of the product within five years and provides DELTA® with reasonable opportunity
to verify the alleged defect by inspection. For all refurbished DELTA® product, the warranty period is 180 days. DELTA® will not be responsible
for any asserted defect which has resulted from normal wear, misuse, abuse or repair or alteration made or specifically authorized by anyone
other than an authorized DELTA® service facility or representative. Under no circumstances will DELTA® be liable for incidental or consequential
damages resulting from defective products. Some states do not allow the exclusion or limitation of incidental or consequential damages, so
the above limitation or exclusion may not apply to you. This warranty is DELTA®’s sole warranty and sets forth the customer’s exclusive remedy,
with respect to defective products; all other warranties, express or implied, whether of merchantability, fitness for purpose, or otherwise, are
expressly disclaimed by DELTA®. For further detail of warranty coverage and warranty repair information, visit www.DeltaMachinery.com or call
1-800-223-7278. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces.
LATIN AMERICA: This warranty does not apply to products sold in Latin America. For products sold in Latin America, see country
specific warranty information contained in the packaging, call the local company or see website for warranty information.
12
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