Delta 11-990C User Manual

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12" Bench Drill Press

(Model 11-990C)

PART NO. 1234956 (011)

Copyright © 2001 Delta Machinery

MANUAL INSTRUCTION

To learn more about DELTA MACHINERY

visit our website at: www.deltamachinery.com.

For Parts, Service, Warranty or other Assistance,

please call 1-800-GO-DELTA(463-3582).

SAFETY RULES

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 exercisecaution 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.

This machine was designed for certain applications only. Delta Machinery 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.

Technical Service Manager

Delta Machinery

4825 Highway 45 North

Jackson, TN 38305

(IN CANADA: 505 SOUTHGATE DRIVE, GUELPH, ONTARIO N1H 6M7)

WARNING: FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY

1.FOR YOUR OWN SAFETY, READ INSTRUCTION MANUAL BEFORE OPERATING THE TOOL. Learn the tool’s application and limitations as well as the specific hazards peculiar to it.

2.KEEP GUARDS IN PLACE and in working order.

3.ALWAYS WEAR EYE PROTECTION.

4.REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it “on”.

5.KEEP WORK AREA CLEAN. Cluttered areas and benches invite accidents.

6.DON’T USE IN DANGEROUS ENVIRONMENT. Don’t use power tools in damp or wet locations, or expose them to rain. Keep work area well-lighted.

7.KEEP CHILDREN AND VISITORS AWAY. All children and visitors should be kept a safe distance from work area.

8.MAKE WORKSHOP CHILDPROOF – with padlocks, master switches, or by removing starter keys.

9.DON’T FORCE TOOL. It will do the job better and be safer at the rate for which it was designed.

10.USE RIGHT TOOL. Don’t force tool or attachment to do a job for which it was not designed.

11.WEAR PROPER APPAREL. No loose clothing, gloves, neckties, rings, bracelets, or other jewelry to get caught in moving parts. Nonslip footwear is recommended. Wear protective hair covering to contain long hair.

12.ALWAYS USE SAFETY GLASSES. Wear safety glasses. Everyday eyeglasses only have impact resistant lenses; they are not safety glasses. Also use face or dust mask if cutting operation is dusty. These safety glasses must conform to ANSI Z87.1 requirements. Note: Approved glasses have Z87 printed or stamped on them.

13.SECURE WORK. Use clamps or a vise to hold work when practical. It’s safer than using your hand and frees both hands to operate tool.

14.DON’T OVERREACH. Keep proper footing and balance at all times.

15.MAINTAIN TOOLS IN TOP CONDITION. Keep tools sharp and clean for best and safest performance. Follow instructions for lubricating and changing accessories.

16.DISCONNECT TOOLS before servicing and when changing accessories such as blades, bits, cutters, etc.

17.USE RECOMMENDED ACCESSORIES. The use of accessories and attachments not recommended by Delta may cause hazards or risk of injury to persons.

18.R E D U C E T H E R I S K O F U N I N T E N T I O N A L STARTING. Make sure switch is in “OFF” position before plugging in power cord.

19.NEVER STAND ON TOOL. Serious injury could occur if the tool is tipped or if the cutting tool is accidentally contacted.

20.CHECK DAMAGED PARTS. Before further use of the tool, a guard or other part that is damaged should be carefully checked to ensure 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.

21.DIRECTION OF FEED. Feed work into a blade or cutter against the direction of rotation of the blade or cutter only.

22.NEVER LEAVE TOOL RUNNING UNATTENDED. TURN POWER OFF. Don’t leave tool until it comes to a complete stop.

23.DRUGS, ALCOHOL, MEDICATION. Do not operate tool while under the influence of drugs, alcohol or any medication.

24.MAKE SURE TOOL IS DISCONNECTED FROM POWER SUPPLY while motor is being mounted, connected or re-connected.

25.THE DUST GENERATED by certain woods and wood products can be injurious to your health. Always operate machinery in well ventilated areas and provide for proper dust removal. Use wood dust collection systems whenever possible.

26.WARNING: SOME DUST CREATED BY POWER SANDING, SAWING, GRINDING, DRILLING, AND OTHER CONSTRUCTION ACTIVITIEScontains chemicals known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

lead from lead-basedpaints,

crystalline silica from bricks and cement and other masonry products, and

arsenic and chromium from chemically-treatedlumber.

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.

SAVE THESE INSTRUCTIONS

2

ADDITIONAL SAFETY RULES

FOR DRILL PRESSES

1. DO NOT operate your tool until it is completely assembled and installed according to the instructions.

2.IF YOU ARE NOT thoroughly familiar with the operation of drill presses, obtain advice from your supervisor, instructor or other qualified person.

3.YOUR TOOL MUST be securely fastened to a stand or workbench. If there is any tendency for the stand or workbench to move during operation, the stand or workbenchMUST be fastened to the floor.

4.NEVER turn the tool“ON” before clearing the table of all objects (tools, scrap pieces, etc.).

5.NEVER start the tool with the drill bit or cutting tool in contact with the workpiece.

6.USE ONLY drill bits, cutters, sanding drums and other accessories with 1/2" shank or less.

7.ALWAYS keep hands and fingers away from the drill bit or cutting tool.

8.DO NOT ATTEMPT to drill material that does not have a flat surface, unless a suitable support is used.

9.AVOID awkward hand positions where a sudden slip could cause a hand to move into the drill bit or cutting tool.

10.TO PREVENT ROTATION OF THE WORKPIECE,

ALWAYS clamp work securely to table if it is too short to contact the column (see“OPERATION” section of this manual) or when using hole saw or cutting tools larger than 1/2" in diameter.

11.USE recommended speed for drill, accessory or workpiece material.

12.MAKE CERTAIN all lock handles are tightened before starting the machine.

13.NEVER perform layout, assembly orset-upwork on the table while the drill is operating.

14.BE SURE drill bit or cutting tool is not damaged and is properly locked in the chuck before operating.

15.MAKE SURE chuck key is removed from chuck before starting drill press.ONLY use chuck key provided with your drill press. It is equipped with aself-ejectingpin which eliminates the hazard of the key being left in the chuck.

16.ADJUST the table or depth stop to avoid drilling into the table.

17.ALWAYS allow the drill press to stop before removing scrap pieces from the table.

18.WHEN drilling large workpieces,MAKE SURE the material is supported at table height.

19.SHUT OFF the power, remove the drill bit or cutting tool, and clean the table and work area before leaving the machine.

20.DON’T wear gloves, necktie, or loose clothing when operating the drill press.

21.WHEN THE TOOL IS NOT IN USE the switch should be locked in the “OFF”position to prevent unauthorized use of the tool.

22.SHOULD any part of your tool be missing, damaged or fail in anyway, or any electrical component fail to perform properly, shut off switch and remove plug from power supply outlet. Replace missing, damaged or failed parts before resuming operation.

23.ADDITIONAL INFORMATION regarding the safe and proper operation of this product is available from the National Safety Council, 1121 Spring Lake Drive, Itasca, Illinois 60143-3201, in the Accident Prevention Manual for Industrial Operations and also in the Safety Data Sheets provided by the NSC. Please also refer to the American National Standards Institute ANSI 01.1 Safety Requirements for Woodworking Machinery and the U.S. Department of Labor OSHA 1910.212 and 1910.213 Regulations.

3

UNPACKING AND CLEANING

Your drill press is shipped complete in one container. Carefully unpack the drill press and all loose items from the container. Figure 2 illustrates the drill press and all loose items supplied with the machine. After assembly remove the protective coating from the table surface. This coating may be removed with a soft cloth moistened with kerosene (do not use acetone, gasoline or lacquer thinner for this purpose). After cleaning, it is good practice to cover the table surface with a good quality paste wax. Buff out the wax thoroughly to prevent it from rubbing into your workpiece.

WARNING: FOR YOUR OWN SAFETY, DO NOT CONNECT THE TOOL TO THE POWER SOURCE UNTIL THE MACHINE IS COMPLETELY ASSEMBLED AND YOU HAVE READ AND UNDERSTOOD THE ENTIRE INSTRUCTION MANUAL.

1

2

 

7

4

11

 

 

 

 

 

3

13

 

 

8

 

6

 

 

 

9

5

 

 

10

 

12

 

 

 

 

Fig. 2

 

1

- Drill Press Head and Motor

9 - Wrenches (2)

2

- Column, Base Flange and Table Raising

10

- Worm Gear for Table Raising and Lowering

 

Mechanism

 

Mechanism

3

- Clamp Handle

11

- Table Raising and Lowering Handle

4

- Table

12

- 25mm (1") long Hex Head Cap Screws (4)

5

- Base

13

- 125mm (5") long Carriage Screws (2), Flat Washers

 

 

(2), Lock Washers (2), Hex Nuts (2)

6

- Pinon Shaft Handles (3)

 

 

7

- Chuck

 

 

8

- Chuck Key

 

 

4

ASSEMBLY

1. Assemble the column (A) Fig. 3, to the base (B) using the four screws (C), three of which are shown. Loosen set screw (D) and remove ring (E) and raising rack (F).

2. Make certain worm gear (G) Figs. 4 and 5, is in place in table bracket (H) as shown.

3. Insert raising rack (F) Fig. 6, which was removed in STEP 1, into groove in table bracket making sure teeth of worm gear (G) located inside table bracket are engaged with teeth of raising rack (F).

A

D

E

F

C

B

C

Fig. 3

G

H

Fig. 4

G

H

Fig. 5

F

G

Fig. 6

5

4. Slide raising rack (F) Fig. 7, table and table bracket onto drill press column, as shown. Make sure bottom of raising rack (F) Fig. 8, is engaged with flange (J) on drill press base.

5. Re-assemblering (E) Fig. 9, which was removed in

STEP 1.IMPORTANT: Bottom of ring (E)MUST NOT be pushed all the way down onto top of raising rack (F).MAKE SURE top of raising rack (F) is under bottom of ring (E) and that there is enough clearance to allow rack (F) to rotate around the column.THEN TIGHTEN SET SCREW (D).

6. Assemble table raising and lowering handle (K) Fig. 10, to worm gear shaft (G) and tighten screw (L) against flat on shaft.

F

Fig. 7

F

J

Fig. 8

E

D

F

Fig. 9

G

L

K

Fig. 10

6

7. Figure 11, illustrates the table raising and lowering handle (K) assembled to worm gear shaft (G).

G

K

Fig. 11

8. Thread clamp handle (M) Fig. 12, into hole in rear of table bracket, as shown.

9. Place the drill press head (N) Fig. 13, onto the column as far as it will go. Align head to table and base and tighten the two head locking screws (O) with wrench supplied.

10. Thread the three pinion shaft handles (P) Fig. 14, into the three tapped holes located in the pinion shaft, as shown.

M

Fig. 12

N

O

Fig. 13

P

Fig. 14

7

11.IMPORTANT: Make certain the spindle taper (Q) Fig. 15, and tapered hole in chuck (R) are clean and free of any grease, lacquer or rust preventive coatings.NOTE: Household oven cleaner can effectively remove any substance from the spindle and chuck; however, carefully follow the manufacturer's safety rules concerning its use.

12.IMPORTANT: OPEN THE CHUCK JAWS AS WIDE AS POSSIBLE MAKING SURE THE CHUCK JAWS ARE UP INSIDE CHUCK.

13.Carefully drive chuck (S) Fig. 16, onto the spindle with a block of wood and hammer, or a rubber mallet (T) as shown. This will seat the chuck properly on the spindle. IMPORTANT: To avoid damage to the chuck,NEVER drive the chuck onto the spindle with a metal hammer.

Q

R

Fig. 15

S

T

Fig. 16

FASTENING DRILL PRESS TO

SUPPORTING SURFACE

If during operation there is any tendency for the drill press to tip over, slide or walk on the supporting surface, the drill press base must be secured to the supporting surface with fasteners through the two holes (A) Fig. 17, located in the drill press base.

A

Fig. 17

8

CONNECTING TOOL TO POWER SOURCE

POWER CONNECTIONS

A separate electrical circuit should be used for your tools. 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-wireextension cords which have3-pronggrounding type plugs and3-polereceptacles which accept the tool’s plug. Before connecting the motor to the power line, make sure the switch is in the “OFF” position and be sure that the electric current is of the same characteristics as indicated on the tool. All line connections should make good contact. Running on low voltage will damage the motor.

MOTOR SPECIFICATIONS

Your tool is wired for 120 volt, 60 HZ alternating current. Before connecting the tool to the power source, make sure the switch is in the “OFF” position. The motor provides a no-loadspeed of 1720 RPM.

GROUNDING INSTRUCTIONS

WARNING: THIS TOOL MUST BE GROUNDED WHILE IN USE TO PROTECT THE OPERATOR FROM ELECTRIC SHOCK.

1. All grounded, cord-connectedtools:

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 tool is equipped with an electric cord having an equipment-groundingconductor 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-groundingconductor 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 equipmentgrounding conductor. If repair or replacement of the electric cord or plug is necessary, do not connect theequipment-groundingconductor 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 tool is properly grounded.

Use only 3-wireextension cords that have3-pronggrounding type plugs and3-polereceptacles that accept the tool’s plug, as shown in Fig. 18.

Repair or replace damaged or worn cord immediately.

GROUNDED OUTLET BOX

CURRENT

CARRYING

PRONGS

2. Grounded, cord-connectedtools intended for use on a supply circuit having a nominal rating less than 150 volts:

This tool is intended for use on a normal 120-voltcircuit and has a grounded plug that looks like the plug illustrated in Fig. 18.

If a properly grounded outlet is not available, a temporary adapter, shown in Fig. 19, may be used for connecting the 3-pronggrounding type plug to a2-polereceptacle. 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, or the like extending from the adapter must be connected to a permanent ground such as a properly grounded outlet box cover. 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.

WARNING: IN ALL CASES, MAKE CERTAIN THE RECEPTACLE IN QUESTION IS PROPERLY GROUNDED. IF YOU ARE NOT SURE HAVE A CERTIFIED ELECTRICIAN CHECK THE RECEPTACLE.

GROUNDED OUTLET BOX

GROUNDING

MEANS

ADAPTER

GROUNDING BLADE

IS LONGEST OF THE 3 BLADES

Fig. 18

Fig. 19

 

9

EXTENSION CORDS

Use proper extension cords. Make sure your extension cord is in good condition and is a 3-wireextension cord which has a3-pronggrounding type plug and a3-polereceptacle which will accept the tool’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. 20, 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 TOOLS

Ampere

Volts

Total Length of

Gauge of

Rating

 

Cord in Feet

Extension Cord

0-6

120

up to 25

18 AWG

0-6

120

25-50

16 AWG

0-6

120

50-100

16 AWG

0-6

120

100-150

14 AWG

6-10

120

up to 25

18 AWG

6-10

120

25-50

16 AWG

6-10

120

50-100

14 AWG

6-10

120

100-150

12 AWG

10-12

120

up to 25

16 AWG

10-12

120

25-50

16 AWG

10-12

120

50-100

14 AWG

10-12

120

100-150

12 AWG

12-16

120

up to 25

14 AWG

12-16

120

25-50

12 AWG

12-16

120

GREATER THAN 50 FEET NOT RECOMMENDED

 

 

 

 

Fig. 20

STARTING AND

STOPPING DRILL

PRESS

The switch (A) Fig. 21, is located on the front of the drill press head. To turn the drill press “ON” move the switch to the up position. To turn the drill press“OFF” move the switch to the down position.

LOCKING SWITCH IN THE “OFF” POSITION

When the tool is not in use, the switch should be locked in the “OFF” position to prevent unauthorized use. This can be done by grasping the switch toggle (B) and pulling it out of the switch, as shown in Fig. 22. With the switch toggle (B) removed, the switch will not operate. However, should the switch toggle be removed while the drill press is operating, the switch can be turned“OFF” once, but cannot be restarted without inserting the switch toggle (B).

A

Fig. 21

B

Fig. 22

10