Delta 31-260X User Manual

18" x 36" Drum Sander

Ponceuse à tambour de 457 mm x 914 mm (18 po x 36 po)

Lijadora de tambor de 457 mm x 914 mm (18 pulg x 36 pulg)

Français (21) Español (40)

www.deltaportercable.com

Instruction manual

Manuel d’utilisation Manual de instrucciones

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA DE GARANTÍA.

LÉASE ESTE INSTRUCTIVO

ANTES DE USAR EL PRODUCTO.

31-260X

TABLE OF CONTENTS

IMPORTANT SAFETY INSTRUCTIONS ..........................2

SAFETY GUIDELINES - DEFINITIONS ...........................2

GENERAL SAFETY RULES .............................................3

ADDITIONAL SPECIFIC SAFETY RULES ......................4

FUNCTIONAL DESCRIPTION .........................................6

CARTON CONTENTS .......................................................6

ASSEMBLY ........................................................................7

OPERATION ......................................................................9

TROUBLESHOOTING ...................................................18

MAINTENANCE ............................................................. 18

SERVICE ......................................................................... 19

ACCESSORIES .............................................................. 20

WARRANTY ...................................................................20

FRANÇAIS ...................................................................... 21

ESPAÑOL ....................................................................... 40

IMPORTANT SAFETY INSTRUCTIONS

Read all warnings and operating instructions before using any tool or equipment. When using tools or equipment, basic safety precautions should always be followed to reduce the risk of personal injury. Improper operation, maintenance or modification of tools or equipment could result in serious injury and property damage. There are certain applications for which tools and equipment are designed. This product should NOT be modified and/or used for any application other than for which it was designed.

If you have any questions relative to its application DO NOT use the product until you have written DELTA Machinery and we have advised you. Contact us online at www.deltaportercable.com or by mail at End User Services, DELTA Machinery,

4825 Highway 45 North, Jackson, Tennessee 38305. In Canada,125 Mural St. Suite 300, Richmond Hill, ON, L4B 1M4)

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

SAVE THESE INSTRUCTIONS!

SAFETY GUIDELINES - DEFINITIONS

It is important for you to read and understand this manual. The information it contains relates to protecting YOUR SAFETY and PREVENTING PROBLEMS. The symbols below are used to help you recognize this information.

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 haz ard ous situation which, if not avoided, may result in minor or mod er ate injury.

NOTICE

contains chemicals known to the State of California 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 (CCA). 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 dust masks that are specially designed to filter out microscopic particles.

indicates a practice not related to personal injury which, if not avoided, may result in property

damage.

Some dust created by power sanding, sawing, grinding, drilling, and other construction activities

GENERAL SAFETY RULES

Failure to follow these rules may result in serious personal injury.

For your own safety, read the instruction manual 1. before operating the machine. Learning the machine’s

application, limitations, and specific hazards will greatly minimize the possibility of accidents and injury.

Wear eye and hearing protection and always use 2. safety glasses. Everyday eyeglasses are not safety

glasses. Use certified safety equipment. Eye protection equipment should comply with ANSI Z87.1 standards. Hearing equipment should comply with ANSI S3.19 standards.

Wear proper apparel. 3. Do not wear loose clothing, gloves, neckties, rings, bracelets, or other jewelry which may get caught in moving parts. Nonslip protective footwear is recommended. Wear protective hair covering to contain long hair.

Do not use the machine in a dangerous environment. 4. The use of power tools in damp or wet locations or in rain can cause shock or electrocution. Keep your work area well-lit to prevent tripping or placing arms, hands, and fingers in danger.

Do not operate electric tools near flammable liquids 5. or in gaseous or explosive atmospheres. Motors and

switches in these tools may spark and ignite fumes. Maintain all tools and machines in peak condition. 6.

Keep tools sharp and clean for best and safest performance. Follow instructions for lubricating and changing accessories. Poorly maintained tools and machines can further damage the tool or machine and/or cause injury.

Check for damaged parts. 7. Before using the machine, check for any damaged parts. Check for alignment of moving parts, binding of moving parts, breakage of parts, and any other conditions that may affect its operation. A guard or any other part that is damaged should be properly repaired or replaced with DELTA or factory authorized replacement parts. Damaged parts can cause further damage to the machine and/or injury.

Keep the work area clean. 8. Cluttered areas and benches invite accidents.

Keep children and visitors away. 9. Your shop is a potentially dangerous environment. Children and visitors can be injured.

Reduce the risk of unintentional starting. 10. Make sure that the switch is in the “OFF” position before plugging in the power cord. In the event of a power failure, move the switch to the “OFF” position. An accidental start-up can cause injury. Do not touch the plug’s metal prongs when unplugging or plugging in the cord.

Use the guards. 11. Check to see that all safety devices are in place, secured, and working correctly to prevent injury.

Remove adjusting keys and wrenches before starting 12. the machine. Tools, scrap pieces, and other debris can

be thrown at high speed, causing injury. Use the right machine. 13. Don’t force a machine or an

attachment to do a job for which it was not designed. Damage to the machine and/or injury may result.

Use recommended accessories. 14. The use of accessories and attachments not recommended by DELTA may cause damage to the machine or injury to the user.

Use the proper extension cord. 15. Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage, resulting in loss of power and overheating. See the Extension Cord Chart for the correct size depending on the cord length and nameplate ampere rating. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord.

Secure the workpiece. 16. Use clamps or a vise to hold the workpiece when practical. Loss of control of a workpiece can cause injury.

Feed the workpiece against the direction of the 17. rotation of the blade, cutter, or abrasive surface.

Feeding it from the other direction will cause the workpiece to be thrown out at high speed.

Don’t force the workpiece on the machine. 18. Damage to the machine and/or injury may result.

Don’t overreach. 19. Loss of balance can make you fall into a working machine, causing injury.

Never stand on the machine. 20. Injury could occur if the tool tips, or if you accidentally contact the cutting tool.

Never leave the machine running unattended. 21. Turn the power off. Don’t leave the machine until it comes to a complete stop. A child or visitor could be injured.

Turn off the machine, and disconnect the machine 22. from the power source before installing or removing accessories, changing cutters, adjusting or changing set-ups. When making repairs, be sure to lock the start

switch in the “OFF” position. An accidental start-up can cause injury.

Make your workshop childproof with padlocks, master 23. switches, or by removing starter keys. The accidental

start-up of a machine by a child or visitor could cause injury.

Stay alert, watch what you are doing, and use 24. common sense. Do not use the machine when you

are tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in injury.

25. disperse dust or other airborne particles, including wood dust, crystalline silica dust and asbestos dust.

Direct particles away from face and body. Always operate tool in well ventilated area and provide for proper dust removal. Use dust collection system wherever possible. Exposure to the dust may cause serious and permanent respiratory or other injury, including silicosis (a serious lung disease), cancer, and death. Avoid breathing the dust, and avoid prolonged contact with dust. Allowing dust to get into your mouth or eyes, or lay on your skin may promote absorption of harmful material. Always use properly fitting NIOSH/OSHA approved respiratory protection appropriate for the dust exposure, and wash exposed areas with soap and water.

Use of this tool can generate and

ADDITIONAL SPECIFIC SAFETY RULES

Failure to follow these rules may result in serious personal injury.

1. DO NOT OPERATE THIS TOOL UNTIL it is assembled

and installed according to the instructions.

2. OBTAIN ADVICE from your supervisor, instructor, or

another qualified person if you are not familiar with the operation of this tool.

3. FOLLOW ALL WIRING CODES and recommended

electrical connections.

4. COVER POWER TAKE-OFF SHAFT when not using

accessories. Unguarded rotating shafts can create an entanglement hazard which can result in injury.

5. USE A DUST COLLECTION SYSTEM with this tool.

6. CAUTION: THIS MACHINE IS DESIGNED TO SAND

WOOD or wood-like products only. Sanding or grinding metal could result in fire, injury, and/or damage to the product.

7. CHECK THE TABLE BELT TRACKING to prevent belt

run-off.

8. CHECK BELTS FOR WEAR and for tension.

9. CLEAR THE SANDING AREA and infeed/ outfeed

tables of all objects (tools, scrap pieces, etc.) prior to starting tool.

10. DO NOT sand pieces of material that are shorter than 7"

(18 cm) in length or thinner than 1/32" (1 mm).

11. SUPPORT ALL SANDING WORKPIECES with a table

or additional support at table height. Curved work on an outer sanding drum is the only exception.

12. DRESS PROPERLY. DO NOT WEAR LOOSE CLOTHING

OR JEWELRY. CONTAIN LONG HAIR. KEEP YOUR HAIR, CLOTHING, AND GLOVES AWAY FROM MOVING PARTS. Loose clothes, jewelry, or long hair can be caught

in moving parts.

13. PREVENT THE WORKPIECE FROM CONTACTING THE SANDING BELT before starting the tool.

14. AVOID AWKWARD HAND POSITIONS. A sudden slip could cause a hand to contact the sanding belt.

15. NEVER WEAR GLOVES or hold the work with a rag when sanding.

16. SAND with the grain of the wood

17. FEED WORK against the drum rotation.

18. NEVER perform layout, assembly, or set-up work on the tables when the tool is operating.

19. DISCONNECT THE TOOL from the power source before

installing or removing accessories, before adjusting or changing set-ups, or when making repairs.

20. DISCONNECT THE TOOL from the power source, and clean the table/work area before leaving the tool. LOCK THE SWITCH IN THE “OFF” POSITION to prevent unauthorized use.

21. ADDITIONAL INFORMATION regarding the safe and proper operation of power tools (i.e. a safety video) is available from the Power Tool Institute, 1300 Sumner Avenue, Cleveland, OH 44115-2851 (www. powertoolinstitute.com). Information is also available from the National Safety Council, 1121 Spring Lake Drive, Itasca, IL 60143-3201. Please refer to the American National Standards Institute ANSI 01.1 Safety Requirements for Woodworking Machines and the U.S. Department of Labor OSHA 1910.213 Regulations.

SAVE THESE INSTRUCTIONS.

Refer to them often and use them to instruct others.

POWER CONNECTIONS

A separate electrical circuit should be used for your machines. A suitable circuit should not be less than AWG12/3 wiring where the ground wire is attached to an earth ground. The circuit should be protected by a circuit breaker or time delay fuse. NOTE: Time delay fuses should be marked “D” in Canada and “T” in the US. 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.

SHOCK HAZARD. Do not expose the machine to rain or operate the machine in damp locations.

MOTOR SPECIFICATIONS

Your machine is wired for 120 volt, 60 HZ alternating current. Before connecting the machine to the power source, make sure the switch is in the "OFF" position.

GROUNDING INSTRUCTIONS

SHOCK HAZARD. 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 instruction 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.

2. Grounded, cord-connected machines intended for use on a supply circuit having a nominal rating less than 150

volts:

If the machine is intended for use on a circuit that has an outlet that looks like the one illustrated in Fig. A, the machine

will have a grounding plug that looks like the plug illustrated in Fig. A. A temporary adapter, which looks like the adapter

illustrated in Fig. B may be used to connect this plug to a matching 2-conductor receptacle as shown in Fig. B, if a

properly grounded outlet is not available. The temporary adapter should be used only until a properly grounded outlet can

be installed by a qualified electrician. The green-colored rigid ear, lug, and the like, extending from the adapter must be

connected to a permanent ground such as a properly grounded outlet box. Whenever the adapter is used, it must be held

in place with a metal screw. NOTE: In Canada, the use of a temporary adapter is not permitted by the Canadian Electric Code.

SHOCK HAZARD. In all cases, make certain that 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

Fig. A Fig. B

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. Fig. D-1 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.

GROUNDED OUTLET BOX

GROUNDING MEANS

ADAPTER

MINIMUM GAUGE EXTENSION CORD

RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES

Total

Ampere

Rating Volts

0-6 120 0-6 120 25-50 16 AWG 0-6 120 50-100 16 AWG

0-6 120 100-150 14 AWG 6-10 120 6-10 120 25-50 16 AWG 6-10 120 50-100 14 AWG 6-10 120 100-150 12 AWG

10-12 120 10-12 120 25-50 16 AWG 10-12 120 50-100 14 AWG 10-12 120 100-150 12 AWG 12-16 120 12-16 120 25-50 12 AWG 12-16 120

Length of

Cord in

Feet

up to

25 18 AWG

up to

25 18 AWG

up to

25 16 AWG

up to

GREATER THAN 50 FEET NOT RECOMMENDED

Gauge of Extension

Cord

25 14 AWG

Fig. D-1

FUNCTIONAL DESCRIPTION

FOREWORD

The Delta Model 31-260X is an 18" (457 mm) x 36" (914 mm) drum sander with a two-speed drum. Its single-piece frame and cast-iron table construction provides accuracy, stability, and easy adjustments. This unit can be fitted with an optional outboard shaft that accommodates an accessory pneumatic drum for contour sanding. The 31-260X will provide accurate sanding for wood up to 18" (457 mm) in one pass or 36" (914 mm) in two passes.

NOTICE: The manual cover illustrates the current production model. All other illustrations contained in the manual are representative only and may not depict the actual labeling or accessories included. These are intended to illustrate technique only.

CARTON CONTENTS

UNPACKING AND CLEANING

Carefully unpack the machine and all loose items from the shipping container(s). Remove the rust-preventative oil from unpainted surfaces using a soft cloth moistened with mineral spirits, paint thinner or denatured alcohol.

Do not use highly volatile solvents such as gasoline, naphtha, acetone or lacquer thinner for cleaning your

machine.

After cleaning, cover the unpainted surfaces with a good quality household floor paste wax.

CAUTION TAG

Pay close attention to caution tags attached to this machine and follow these instructions precisely.

This machine is heavy. Remove the container from around the machine. DO NOT lift it from the

container. Carefully unpack all loose items from the shipping container and cut the carton from around the machine.

1. Drum Sander

2. Stand Parts a. Side Wall (2) b. Back Bracket c. Front Bracket d. Legs (2) E. End Cap F. Leveling Foot with jam nut (4)

3. M8 Flat Washers (4)

4. M8-20 Hex-Head Bolt (4)

5. M8 Flange Nut (16)

6. M8 x 20 Carriage Bolt (16)

7. 5/16 -18 Flange Nuts (4)

8. 5/16" Lock-washers (4)

9. 5/16-18 x 1" (25 mm) Socket Head Bolts (4)

10. 1/8" T-Handle Hex Wrench

11. 10-32 x .75 (19 mm) Indicator Bolt

12. #10 Flat Washer

13. SA Indicator

14. Elevation Handwheel

Feed Table

11 12 13

ASSEMBLY

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and

removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury.

ASSEMBLY TOOLS REQUIRED

1/2" Open-end wrench 1/4" Hex wrench

ASSEMBLY TIME ESTIMATE

Assembly for this machine takes approximately 1-2 hours.

HOW TO ASSEMBLE THE STAND

1. Select one of the side pieces (A) Fig. 1A and attach one of the feet (B) to it with the short end of the foot to the front of the machine, using two M8-20 bolts (C) with two M8 flat washers. Attach the other foot to the other side piece.

2. Attach the back brace (D) to the two side pieces with M8-20 Carriage Bolts and Nuts.

3. Attach the center piece (E) to the rest of the assembly with M8-20 Carriage Bolts and Nuts. Tighten all hardware securely.

Fig. 1A

Fig. 1B

HOW TO ATTACH THE SANDER TO THE STAND

This machine is heavy. Use two or more people when lifting.

1. Place the machine on its end (Fig. 2), resting on the two wood blocks (not supplied). Attach the stand.

2. Position the front of the stand (large black panel (E) Fig. 1C) on the front of the machine (power switch side). Match the holes in the stand with those in the machine. Insert the M8-20 bolts and secure with the M8 Flange Nuts.

HOW TO ATTACH THE LEVELING FEET TO THE STAND

1. The jam nut should already be on the leveling foot. If not, place the jam nut (A) Fig. 2A on the leveling foot (B).

2. Screw the leveling foot with the jam nut into the hole provided on the leg.

3. CAREFULLY lift the machine upright.

4. Level the machine by turning the leveling feet (B) one way or the other. When the machine is level, tighten the jam nuts (A).

5. Insert the end caps into the ends of the legs.

Fig. 1C

Fig. 2

HOW TO ATTACH THE HANDWHEEL

1. Place the handwheel (A) Fig. 4 on shaft (B). Align the set screw with the drilled recess in the shaft.

2. Fasten the handwheel to the shaft by tightening the set screw (C) Fig. 5. Make sure that the set screw contacts the flat of the shaft and not the O.D. of the shaft.

3. The machine is shipped with the support plate lowered to the bottom. Turn the handwheel counter-clockwise two turns to raise the support plate off of the bottom stops.

Fig. 4

Fig. 5

HOW TO ATTACH AND LEVEL THE FEED TABLE

NOTICE

the support plate during transit. Use a 1/2" wrench to hold the hex stop post (S), and another 1/2" wrench to remove the hex bolts (N).

NOTE: DO NOT remove the hex stop post (S) Fig. 6.

1. The abrasive belt and the motor for the feed table are shipped assembled. Place the feed table (A) Fig. 6 (motor side first) on the support plate (P). Align the holes in table (two of which are shown at C) with top of the leveling bolts (B).

NOTICE

2. Use four 5/16" socket-head bolts with lock washers to fasten the table assembly (A) Fig. 6 to the support plate (P) through the holes (D) Secure with flange nuts, two of which are shown in (F) Fig. 10. Tighten securely.

3. Hold the top of the front right leveling bolt (L) Fig. 7 with a 1/2" wrench. Use a 3/16" hex wrench to loosen the bolt (B) four full turns. Turn the leveling bolt clockwise until it no longer touches the support plate (P) Fig. 8. Turn it counter-clockwise until it touches the support plate (P) Fig. 9. Do not raise the plate with the leveling bolt. Hold the top of the leveling bolt (L) Fig. 7 and tighten hex bolt (B).

Before you attach the table, remove the front and rear shipping bolts, one shown at (N) Fig. 6 that stabilized

Confirm that the table is not resting on any of the lockwashers attached to leveling bolts (B).

CAUTION

TAG

Fig. 6

Fig. 7

Fig. 10

Fig. 8

Fig. 9

HOW TO ATTACH THE SA FEED INDICATOR

accessories, before adjusting or when making repairs. An accidental start-up can cause injury.

1. Position the SA indicator on the table as indicated in (A) Fig. 11A.

2. Place the #10 washer (B) Fig. 11B on the indicator bolt.

3. Securely fasten the SA indicator to the table with the bolt and washer.

4. To fine tune, loosen the screw (C) Fig. 11B.

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing

HOW TO CONNECT THE FEED MOTOR TO THE FEED/SPEED SWITCH

Before connecting the feed motor to the feed-speed switch, disconnect the machine from the power source.

Insert the feed/speed switch assembly connector (A) Fig. 11C into the motor connector (B). The connector is polarized and will fit only one way.

NOTICE

Fig. 11A

To avoid damage, DO NOT connect the motor to any other power source.

Fig. 11B

Fig. 11C

OPERATING CONTROLS AND ADJUSTMENTS

Keep your fingers away from the feed belt, feed rollers, and sanding drum during operation. The correct

hand position is illustrated in Fig. 12A .

HOW TO START AND STOP THE MACHINE

NOTICE

attached. Use a dust collection system with at least 400 to 600 CFPM (11.3 to

17 m

/min) capacity.

1. The drum motor on/off paddle (A) Fig. 12 is located to the left of the sanding belt. To turn the drum “ON”, lift the paddle (A) to the “ON” (up) position.

2. To turn the drum “OFF”, push down on the paddle (A) Fig. 12.

NOTE: This switch only controls the drum. See "HOW TO USE THE TABLE FEED/SPEED SWITCH" for feed table switch instructions.

HOW TO LOCK THE DRUM SWITCH

IMPORTANT: When the machine is not in use, the switch should be locked in the

“OFF” position to prevent unauthorized use, using a padlock (C) Fig. 13 with a 1/4" diameter shackle.

HOW TO USE THE TABLE FEED/SPEED SWITCH

The "FEED/SPEED" switch (A) Fig. 14 is located above the drum motor on/off paddle (B). Rotate the knob (A) Fig. 14 clockwise to turn the table motor on. The table feed/speed rate increases as you turn the knob clockwise. Counter-clockwise turns decrease the rates. To turn the feed table “OFF”, turn the knob counter-clockwise until it clicks.

Never operate this machine without a dust collection system

Fig. 12A

Fig. 12

Fig. 14

Fig. 12

Fig. 13

HOW TO RAISE THE TABLE

To raise the feed table, turn the handwheel (A) Fig. 15 counterclockwise. To lower the feed table, turn hand-wheel clockwise.

NOTE: Each 1/4 turn of handwheel (A) increases or decreases the height of the table by 1/64" (.5 mm).

Fig. 15

HOW TO CHECK AND ADJUST THE FEED BELT TRACKING AND TENSION

IMPORTANT: Read this complete section be fore making any adjustments to belt track ing or tension.

TO CHECK AND ADJUST TRACKING

accessories, before adjusting or when making repairs. An accidental start-up can cause injury. IMPORTANT: Since the feed belt runs slowly, the response time to any adjustment may also be slow. Take your time.

1. The tracking and tension of the feed belt was set at the factory. Before making any adjustments, place a reference mark on the table on either side of the belt with a pencil. Turn the feed/speed knob (E) Fig. 16 “ON” and adjust to the maximum speed. Let the belt run. Observe the tracking direction. You will not need to adjust the belt If it does not make any measurable side movement in five minutes.

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing

NOTE: A new belt will usually be tighter on one side than the other. Frequent adjustments are normal for the first few hours due to belt stretch. Adjustments to belt tracking can also affect belt tension.

Fig. 17 shows a close-up of the right set screw (B).

2. If the belt (F) tracks to the right, turn the right set screw (B) Fig. 17 clockwise 1/4 turn or less with the provided 1/8" T-handle hex wrench.

3. If the belt (F) tracks to the left, turn the right set screw (B) Fig. 17 counter-clockwise 1/4 turn or less with the provided 1/8" T-handle hex wrench.

NOTE: Adjust one side and let the movement stabilize before adjusting again. Continue to tighten or loosen this adjustment until the feed belt tracks properly.

TO CHECK AND ADJUST TENSION

If the belt slips on the rear drive roller during sanding operations, adjust the belt tension.

To adjust, turn both set screws (A) and (B) Fig. 16 clockwise in 1/4 turn increments. NOTE: When adjusting the belt tension, turn both set screws the same amount. DO NOT over-tighten the belt. Excessive

tension will cause premature belt wear, bearing wear, and will overload the motor. Listen for motor load speed changes when adjusting the belt tension.

NOTE: Adjustments to belt tension can affect belt tracking. Frequent adjustments are normal for the first few hours.

E B

Fig. 16

Fig. 17

DRUM MOTOR OVERLOAD PROTECTION

The drum motor is equipped with a reset overload relay. If the motor fails to start because of overloading or because of low voltage, turn both switches to "OFF". Let the motor cool for 3 to 5 minutes, then push the reset button (A) Fig. 17B. Start the machine.

HOW TO CHECK AND ADJUST THE TABLE PARALLEL TO THE DRUM

NOTE: The table was set parallel to the drum at the factory.

The distance (B) Fig. 18 should be the same front to back over the entire width of the feed belt. Measure the board thickness at several places along the length and width to be sure.

1. To check, sand a wide board (B) Fig. 19 (preferably 12” (30.5 cm) or more in width x 2 feet (61 cm) long) until it is flat across the total surface area on both sides. A. To do a quick check, draw pencil lines (C) Fig. 20 extending across the

width of the board at several places along the length of the board. DO NOT

ADJUST THE TABLE HEIGHT.

B. Reverse the board (end for end) and run it through the sander. If the sanding

table is set properly, the drawn lines will disappear. If the lines still appear on the left or right side of the board, adjust the table height.

2. Use a 1/2" wrench to hold the leveling bolts (one shown at (E) Fig. 21). Use a

3/16" hex wrench (D) to loosen the hex bolts. Rotate the leveling bolts one flat at a time until the table is parallel to the drum.

NOTE: A turn of one flat on the leveling bolt will raise or lower the table .010" (.25 mm). Turn the leveling bolt (E) Fig. 21 clockwise to lower the table or counterclockwise to raise the table. Adjust both leveling bolts the same amount and in the same direction.

3. Tighten the bolts loosened in STEP 2.

Fig. 17B

Fig. 18

Fig. 19

HOW TO SET THE HEIGHT SCALE

1. Run a piece of lumber through the drum sander (Fig. 22) to finish one side of the board.

2. Use a square (A) Fig. 23 to measure the thickness of the lumber.

3. Loosen the bolt (B) Fig. 24. Move scale up or down until the cursor shows the exact board thickness that was measured

in STEP 2. Tighten the bolt.

Fig. 20

Fig. 21

Fig. 22

Fig. 23

Fig. 24

HOW TO CHANGE THE DRUM SPEEDS AND REPLACE THE DRIVE BELT

The drum sander has two drum speeds - 2210 SFM or 3300 SFM (205.3 or 306.6 m To change the sanding drum speeds or to replace the drive belt:

from power source before installing and removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury.

1. Raise the top drum cover (A) Fig. 25.

2. Remove the two hole plugs (B) Fig. 25.

3. Place a 9/16" socket with an extension (not supplied) in one of the two holes where the hole plugs were re moved.

NOTE: If you do not have a socket extension, remove the bolts (G) Fig. 25

from the panel to get to the bolts. Loosen one hex bolt, then the other to relieve tension on the machine) to relieve tension on the belt. Replace or change the belt po si tions on the pulleys.

IMPORTANT: The sanding drum speed is 3300 SFPM with the belt on the inner pulleys (A) Fig. 27. The drum speed is 2210 SFPM with the belt positioned on the outer pulleys (A) Fig. 26. NOTE: Position the poly-v drive belt on the pulleys correctly to provide max i mum performance with minimal belt wear.

4. After you have replaced or repositioned the belt on the pulleys, apply downward pressure on the motor and tighten the

two hex-head bolts that were loosened in STEP 3.

5. Use light finger pressure on the belt midway between the pulleys to check for proper tension. A deflection of

approximately 3/16" (5 mm) is correct.

6. Replace the hole plugs (B) Fig. 25.

/min).

To reduce the risk of injury, turn unit off and disconnect it

the motor. Slightly lift the motor (located under

Fig. 26

Fig. 25

Fig. 27

HOW TO REMOVE AND REPLACE THE DRUM SANDING BELT

Fig. 28

A spring clip on each side of the drum holds the sanding belt in place.

Fig. 29

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing

accessories, before adjusting or when making repairs. An accidental start-up can cause injury.

Fig. 30

1. Open the drum cover.

2. Press the spring clip (B) Fig. 28 together and remove one end of sanding belt (A).

NOTE: The clip must be fully depressed against the drum support.

3. Rotate the drum (C) Fig. 29 by hand until you reach the other spring clip. Squeeze that spring clip open to remove the sanding belt.

4. To replace the sanding belt, press the spring clip (B) Fig. 29 together and insert one end of the sanding belt (A) through the slot in the drum and into the spring clip. Align the tapered end of the sanding belt with the edge of the drum.

5. Tightly wrap the sanding belt (A) Fig. 30 around the drum cylinder (D), keeping each wrap close to the previous edge.

IMPORTANT: Do Not overlap the edges of the sanding belt (A)

6. Insert the other end of the sanding belt into the left spring clip as tightly as possible.

The sanding belt will stretch during use. Periodically, press the spring clip and tighten the belt in the clip.

HOW TO REMOVE AND REPLACE THE FEED BELT

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing

accessories, before adjusting or when making repairs. An accidental start-up can cause injury.

1. Disconnect the DC Motor Quick Connect. (Fig. 31).

2. Use a 1/4" hex wrench to remove the four table mounting bolts, lockwashers and flange nuts, two of which are shown at (A) Fig. 32.

3. Remove the table (B) Fig. 33 and place it on a firm supporting surface.

4. Loosen the two socket-head set bolts (C) Fig. 34 equally on each side of the table until the belt tension is relieved.

NOTE: Count the number of turns as you loosen the bolts.

5. Slide the feed belt (A) Fig. 35 off of the table (B). Place the new feed belt on the table and re-apply slight tension to the feed belt roller by turning two bolts (C) Fig. 34. Tighten both bolts an equal amount until at least one side of the belt starts to get tight.

NOTE: The number of turns to tighten should be less than the number loosened in STEP 4.

6. Attach the table (B) Fig. 35 to the sup port plate and adjust the tension and tracking on the feed belt. Refer to section

"HOW TO CHECK AND ADJUST TRACK ING AND TENSION ON THE FEED BELT".

Fig. 31

Fig. 33

FEED BELT MOTOR OVERLOAD PROTECTION

The feed belt motor is equipped with a reset overload relay. If the feed belt is tensioned too tightly, the feed belt overload may trip. To correct, loosen the tension on both sides of the feed belt 1/4 turn at a time on the tensioning set screw on each side of the feed belt. Push the reset button (B) Fig. 35A.

Fig. 34

Fig. 32

Fig. 35

Fig. 35A

HOW TO SET UP FOR DUST COLLECTION

The drum cover has a 4" (102 mm) O.D. dust chute (A) Fig. 36 that connects to a dust collection system.

NOTICE

system attached. Use a dust collection system with at least 400 to 600 CFPM (11.3 to 17 m

Attach a 4" (102 mm) hose to the hood, or attach an accessory dust collector elbow (B) Fig. 36 to the dust chute (A). Attach the dust collection system to

the elbow (B).

dust chute.

Never operate this machine without a dust collection

/min) capacity.

Never put your fingers or any other for eign ob ject in the

Fig. 36

FREQUENTLY ASKED QUESTIONS

WHAT FACTORS AFFECT SANDING OPERATIONS?

A. SANDING BELT GRIT

1. 36 grit – Used for very aggressive stock removal, glue removal, or for sanding rough boards. Leaves a rough finish.

2. 60 grit – Used for heavy stock removal and rough surfaces, and for truing warped material. Leaves a rough finish.

3. 80 grit – Used for general purpose sanding, stock removal, surfacing, and rough finishing. Leaves a marked finish.

4. 120 grit – Used for minimal stock removal and for finishing. Leaves a fine marked finish.

5. 180 grit. – Used for fine finishing. Leaves a smooth finish.

6. 220 grit – For very fine finishing. Leaves a very smooth finish.

For best results, sand first with a coarse grit belt, and work toward a finer grit belt. IMPORTANT: Sanding progression should not exceed more than two belt grits at one time. Watch for the sawdust

loading and dulling of the grit. The extra load will cause the sander to work inefficiently.

B. MAXIMUM AND MINIMUM DIMENSIONS FOR WORKPIECE

Maximum thickness: 4" (102 mm) Minimum thickness: 1/32" (0.8 mm) Maximum width: 18” (457 mm) in one pass - 36” (914 mm) in two passes. Minimum width - None - (IMPORTANT: Be certain with narrow stock that the stock width is equal to, or greater

than, the stock thickness).

Maximum length: Infinite. For heavy workpieces or workpieces longer than 4 feet use an accessory Infeed/Outfeed

Table or a roller stand for additional support.

C. WIDTH OF BOARD

As board width increases the load on the belt and motor also increases. This additional loading can be reduced by: a. reducing the conveyor belt speed. b. reducing the depth of stock removal. NOTE: The sander will remove stock to a maximum width of 18" (46 cm) in one pass.

D. TYPES OF WOOD

Hardwoods (oak, hickory, cherry), knots, rosin, or wet wood all place a heavy load on the sander. To make your

sander work more efficiently: a. reduce the conveyor belt speed. b. reduce the depth of stock removal.

E. CONVEYOR BELT SPEED

The conveyor belt speed is 0 - 12 feet per minute.

To control the speed of the conveyor belt, turn the knob counter-clockwise to slow it down and clockwise to speed it up. Stock can be removed more quickly by using a fast speed, but the machine works much harder, and the wood is left with a rougher finish. Slowing the speed will lighten the load of the sander, and make the finish better, but it will increase the sanding time.

WHEN DO I CHANGE THE DRUM SPEED?

The machine has two drum settings:

a. High Speed (3300 SFPM). This setting should mostly be used with a finer grit belt with the conveyor belt speed

set to very slow. The material removal should be set at a very low amount, with increases not to exceed 1/16 of a handwheel turn. Example: A 1/4 turn is 90°, 1/8 turn is 45°, 1/16 turn is 22.5°.

b. Low Speed (2210 SFPM). Used for general purpose sanding, stock removal, surfacing, and rough finishing.

The machine is shipped from the factory set on the low speed. To change to the higher speed, refer to "CHANGING DRUM SPEEDS/REPLACING DRIVE BELT" in this manual for instructions.

DUST COLLECTION RECOMMENDATION

Use a dust collection system with at least 400 to 600 CFM capacity.

HOW DO I SAND FACE FRAMES and RAISED PANEL DOORS?

Some doors have boards with the grain running at 90 degrees. We suggest using finer grit paper, removing minimal amount of stock, and slowing down the feed rate.

WHAT CAUSES BURN MARKS?

Burning the wood can be caused by several things. We suggest checking for; sanding belt overlap on the drum wrap, sanding paper loading up, too much stock removal with too fine a grit paper, too slow a feed rate, and dull or worn sand paper.

WHEN DO I MAKE TABLE HEIGHT ADJUSTMENTS FOR MATERIAL REMOVAL?

Locate the handwheel on the right side of the machine. To raise the table, turn the wheel counter-clockwise. To lower,

turn the wheel clockwise. Normal adjustments for sanding belt grits 36 through 80 are:

1/4 turn – For normal material removal (1/64"or .0150") or (.4 mm) 1/8 turn – For normal finishing (1/128" or .0075") or (.2 mm) 1/16 turn – For last finishing passes

On last finishing passes, pass the board through two or three times to level hard spots or knots.

NOTE: For sanding belts over 100 grit use one half or less of the above adjustment values.

HOW DO I SAND MULTIPLE BOARDS?

The sander will handle multiple boards at the same time. Work with each individual piece until they are approximately the same thickness, then sand them as a group.

The sander will accept more than one board at a time if the total width is 16" (41 cm) or less and are the same thickness. Pass the first board. When it reaches the rear pressure roller, start another board on the other side of the table. Depending on the width, several boards can go through the sander at one time. Do not sand the edge if boards are over 4" (10 cm) wide.

NOTE: Because multiple board sanding will cause the sander to have a heavier load, either slow the feed or reduce the table height.

HOW DO I SAND THE EDGES OF BOARDS?

First, be certain that the opposite side from the side to be sanded is even and level. If it is not, then it may need to be cut. Sand the board, turn it over and sand the other side.

If the board is thin or tall when turned on its side, clamp several pieces of wood together to prevent tipping.

HOW DO I SAND CUPPED, BOWED, OR TWISTED BOARDS?

Cupped boards can be a problem. If the bow is along the width of the board, then first place the cupped side of the board down. Set your sander table height to the tallest portion of the bowed board. Pass the board through several times until a fairly good portion is flat. Turn the board over and sand the cupped side until the board has a small flat area on each side. Alternate sanding on each side until you are satisfied with the result.

Bowed boards that are longer than the table cannot be cleaned sufficiently. However, if the board is table length or shorter, set your table height to the maximum height of the board. Place the bowed side down and sand until you are satisfied. Then turn the board over, and clean that side.

Twisted boards can be a difficult project. Small boards will provide some success, but longer boards are almost impossible. However, for best results, alternate sanding first one side of the board, then the other.

HOW DO I SAND GLUED BOARDS?

1. Glue the boards as flat as possible at the outset.

2. Remove excess glue from the top and bottom before it dries.

3. Use a coarse belt for initial stock removal (36 to 60 grit).

4. Run the board at different locations over the entire length of the drum to prevent glue build-up on the sanding belt.

5. After glued joints are cleaned, change the sanding belt to an 80 grit. Work your way to the finer grit until you are satisfied with the result.

HOW DO I SAND BOARDS WIDER THAN 18" (457 mm)?

IMPORTANT: If the drum is not parallel to the table a step or line will result. Set the open side a few thousandths of an

inch more open to allow sanding a crown rather than a groove. (See Fig. 37) Sanding wide boards requires two separate passes. Set the table height to the board maximum thickness, and make a pass. Then, without changing the table height, rotate the board 180° and sand the other half of the board. Adjust the table height and repeat the two sanding passes. Continue until you are satisfied with the result. NOTE: Provide support for the part of the board that is not on the table during each pass.

Fig. 37

Example of exaggerated results if open end of drum is higher.

STEP

Example of exaggerated results if open end of drum is lower.

HOW DO I GET STARTED?

1. To gain experience, use scrap wood. Start with stock that is 2' (61 cm) to 4' (122 cm) long. These will be easier to control and to feed. Use different wood types and different widths.

2. To see how the sander works, measure the thickness of your stock. Set the table height to that thickness and then lower it 1/4 turn. Turn the drum switch “ON” and then turn the table feed belt speed to 50%. If the drum does not contact the stock, raise the table height slowly while feeding the stock through, until you see that it is sanding. Let the board feed through. Turn the handle 1/4 turn to raise the table height and make another pass. Increase the conveyor speed as you gain confidence.

HOW TO INCREASE SANDING BELT LIFE:

1. When the belt becomes dull, remove and reverse the belt.

2. When the belt becomes loaded with build up, soak the belt in paint thinner or mineral spirits for 20 minutes to one hour to loosen the build up. Then use a standard hand held wire brush and clean the belt. Allow the belt to dry completely before using.

3. When sanding boards under 9" (23 cm) wide, place the board through the sander at a slight angle (60°). This will spread the sanding action out over a larger area of the drum rather than in one area. Then make the finish pass with the grain.

4. When sanding narrow boards, run them through at different locations over the entire width of the drum.

Delta offers a full line of sanding belts, in all grit sizes, in both bulk rolls and pre-cut strips.

TABLE MOVEMENT TROUBLESHOOTING GUIDE

If your table does not adjust properly, or if the adjustment is tight, or if the timing belt is jumping teeth, use the following information to realign the table mechanism and adjust the belt tension.

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and

removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury. The Drum Sander feed table should adjust up or down with 35 inch/lbs. of torque or less. If more torque is required,

make an adjustment. If you hear a clicking or knocking noise as you turn the handwheel, the timing belt is probably jumping teeth. Listed are four areas that affect the table movement. Start at the top of this trouble-shooting guide. If the table movement becomes free, you will not need the remaining steps.

STEP 1 - TIMING BELT TENSION

1. If the timing belt is too tight, the table will be difficult to move. A loose timing belt may cause the belt to jump a tooth on the timing gear. Deflection in the middle of the long span should be 2-3 lbs (.91 kg - 1.36 kg).

2. To adjust the tension, locate one of the timing belt idler rollers under the right-hand end of the unit between the timing gears. Use a 1/2" wrench to loosen the bolt (the nut for this bolt can be seen on the topside of the base).

NOTICE

3. With the 1/2" wrench still on the idler bolt under the unit, push the slack of the belt toward the column end of the unit, and tighten the bolt.

NOTICE

(5.6 N.m). of torque will be sufficient. To be certain that the spacer is not damaged, grasp the idler roller. If it can move approximately 1/8" (3.2 mm) vertically, the spacer is all right.

4. With the proper belt tension, adjust the table.

Do not rotate elevation handwheel while the belt tension is relaxed.

Be careful not to over-tighten the nut. This could crush the spacer inside. Approximately 50 inch/lbs

STEP 2 - CHECKING THE TABLE SUPPORT PLATE

1. To see if the table support plate is mounted on a flat plane and parallel to the drum, use a 3/16" (5 mm) hex wrench (A) Fig. 38 and a 1/2" (12.7 mm) open-end wrench (B) to loosen the four hex bolts that attach the support plate to the elevating bolts. Place a block of wood (C) Fig. 39 approximately 3/4" (19 mm) wide x 2" (51 mm) to 3" (76 mm) tall under the table support plate on the unit base, next to one of the elevation bolts. Turn the elevating bolt up or down until the support plate clears the block. REPEAT the clearance check at each of of the other three elevation bolts. They should be within 1/64" (.4 mm) of each other (O) Fig. 41.

2. While holding the 1/2" (12.7 mm) hex on the bolt to prevent it from turning, retighten the four hex bolts.

3. With the 1/2" wrench and a 3/16" hex wrench, loosen the front right socket head bolt (B) Fig. 38 four full turns (S) Fig. 40. Turn the elevating bolt clockwise until it no longer touches the plate (P) Fig. 40. Then turn the same bolt counter-clockwise until it touches the support plate without raising it (O) Fig. 41. Hold the elevating bolt (L) Fig. 41 with the 1/2" wrench to keep it from turning. Tighten the socket head bolt (B) with the 3/16" hex wrench.

4. With the support plate level, move the table up and down. If the movement is still tight, repeat this procedure.

Fig. 40

Fig. 38

Fig. 39

Fig. 41

STEP 3 - CHECKING THE LOCK NUT ADJUSTMENT

1. A 3/4" (19 mm) locknut is on the base of three of the elevating bolts (B) Fig. 42. Under this nut is a thrust washer, thrust bearing, and another thrust washer (T) Fig. 42.

NOTE: The front left elevating bolt uses a jam nut that should remain tight.

2. Tighten the lock nut so that you can slide the thrust washers from side to side, but not up and down.

3. If the locknut is too tight, the table will be hard to move. If the lock nut is too loose, sanding will not be accurate.

4. To adjust, locate the 2" (50.8 mm) hex nut on the under side of the unit, under the elevating bolt. Hold this with a 2" open wrench or a pair of pliers. Use a 1-1/16" wrench to loosen or tighten the locknut on the topside.

Note: Make small adjustments (1/16 turn at a time or less) to prevent damage.

Fig. 42

STEP 4 - ALIGNING ELEVATING BOLT BUSHINGS

1. Tighten the four table mounting bolts, nuts, and the four bolts that attach the elevating bolts to the support plate.

2. Loosen the timing belt tension (see STEP 1).

3. With a 7/16" open-end wrench, loosen, but do not remove, the four nuts (N) Fig. 43 that secure the right side elevating bolts.

4. Lift the right end of the table to see if the sheet metal flanges are free. Lower the table and, to position it, shake it slightly.

5. Retighten the four hex nuts. Tension the belt (See STEP 1).

6. If the table movement is still tight, loosen the belt tension. Use a 1/2" open-end wrench to loosen the two nuts on the front left elevating bolt.

7. Again, lift the left side of the table to see if the flanges are free.

8. Tighten the two hex nuts. Tension the belt.

9. Adjust the table.

NOTE: The torque required to move the table assembly should be 30 inch/lbs. If this is not the case, repeat the entire procedure again.

Fig. 43

TROUBLESHOOTING

For assistance with your machine, visit our website at www.deltaportercable.com for a list of service centers or call the DELTA Machinery help line at 1-800-223-7278 (In Canada call 1-800-463-3582).

MAINTENANCE

To reduce the risk of injury, turn unit off and disconnect it from power source before installing and

removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury.

1. Periodically clean or vacuum the feed belt.

2. Periodically clean the sawdust from sanding cylinder cavities.

3. Oil all bushings on the feed table rollers and front and rear pressure rollers.

4. Oil thrust bearings on feed table bolts. See (T) Fig. 41.

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