Central Machinery 42289 Guide de référence rapide

34” RADIAL BENCH

DRILL PRESS

42289

ASSEMBLY & OPERATING INSTRUCTIONS

2000

(Stand Not Shown)

Brought to You by Augusta Flint

THANKYOU for choosing a HARBOR FREIGHTTOOLS product. For future reference, please complete the

owner’s record below:

Model_____________ Serial No.____________ Purchase Date_____________

SAVE THE RECEIPT,WARRANTY ANDTHESE INSTRUCTIONS. It is important that you read the entire

manual to become familiar with the unit BEFORE you begin assembly.

Technical Specifications

Tool Name:34" Radial Bench Drill Press

Item Number: 42289

Motor: 120V/60HZ, 3 Amps, Single Speed, 1720 RPM

RadialTravel: 12"

Spindle RPM: 620, 1100, 1720, 2340, 3100

SpindleTaper: JT3

Spindle Stroke: 3"

Max. Spindle to Base: 17"

Max.SpindleTo Table: 12-3/16"

ColumnDiameter andLength: 2.335"Diameter X19-1/8" Length

ChuckTaper: JT3

Chuck Size: 5/8" with Auto Eject Chuck Key

Weight: 112 Lbs.

Overall dimensions: 64-7/8" H x 33" L

Mounting Holes: 7/8"

QuillDiameter: 1.575"

Warning: The warnings, cautions and instructions discussed in this instruction manual

cannot cover all possible conditions and situations that may occur. It must

be understood by the operator that COMMON SENSE AND CAUTION ARE

FACTORS WHICH CANNOT BE BUILT INTOTHIS PRODUCT, BUT

MUST BE SUPPLIED BYTHE OPERATOR.

The Operator

PLEASE REMEMBER:

Do not operate the product if under the influence of alcohol or drugs. Read warning labels on prescriptions to

determine if your judgment/reflexes might be impaired.

Do not wear loose clothing or jewelry as they can be caught in moving parts.

Protective gloves and non-skid footwear is recommended.

Wear restrictive hair covering to contain long hair.

Use eye and ear protection. Always wear ANSI approved impact safety goggles and

dust mask or respirator when working around metal, wood and chemical dusts and mists.

Wear a full face shield if your are producing metal or wood filings.

Do not reach over or across running machines.

#42289 REV 11/04 Page 2

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TheOperator (Cont’d)

Maintain proper footing and balance at all times.

Do not abuse the power cord. Do not yank on cord to disconnect it from outlet. Keep the cord away from heat,

oil and sharp edges.

Work Area

TO AVOID RISK OF PERSONAL INJURY, EQUIPMENT DAMAGE, FIRE AND SHOCK, MAKE SUREYOUR

WORK AREA IS:

Free of damp, wet or rainy conditions.

Free of children (never let them handle tools or machinery).

Well-lit.

Clean and uncluttered.

Before Operating

Before using any tool, any part that appears damaged should be carefully checked to determine that it will

operate properly and perform its intended function.

Before operating your Drill Press check for damaged parts.

Make certain that the power is OFF before plugging the tool in.

Make sure all clamps, locks and bolts are tight.

Always check that adjusting keys and wrenches are removed from the machine work surface

before plugging it in.

Usegrounded receptacle onlyfor120Volthook-up.

Give the Drill Press a test run. If it makes an unfamiliar noise or vibrates irregularly, turn it off, unplug it and

have the problem corrected by a qualified technician.

Make certain to turn off and unplug the Drill Press when doing any maintenance. The tool should always be

turnedoffand unpluggedwhennot inuse.

Keep Guards in place and in working order.

Note: Performance of this tool may vary depending on variations in local line voltage. Extension Cord usage

may also affect tool performance.

Grounding/VoltageWarning

Common household current is 110-120 volts. As long as the outlet used with the tool is rated from 110-120V

there will be no complications using it with household receptacles. Plug the tool into a 110-120V properly

grounded outlet protected by a 15-amp, dual element time delay or circuit breaker.

NEVER try to plug a 110-120V tool into a 220-240V circuit or serious complications and possible injury to the

operator may occur. The plugs have different shapes to prevent this.

This tool has a three-prong plug. The third (round) prong is the ground. Cutting off the ground will result in a

safety hazard and void the warranty.

#42289 Page 3

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If the outlet you are planning to use is the two-prong type, do not remove or alter the grounding prong in any

manner.Use an adapter and always connect the grounding plug to a known grounding source. It is

recommended that you have a qualified electrician replace the two-prong outlet with a properly grounded

three- prong outlet.

Extension Cords

Your tool has a three-prong plug, therefore you must use a three-prong extension cord. Only use rounded

jacket extension cords listed by the Underwriters Laboratories (UL). Improper use of extension cords may

cause inefficient operation of your tool which can result in overheating. Be sure your extension cord is rated to

allow sufficient current flow to the motor.

If you are using the tool outdoors, use an extension cord rated for outdoor use (signified by “WA”on the jacket).

The extension cord must have a minimum wire size depending on the amperage of the tool and the length of the

extension cord. This size is determined by its AWG (American Wire Gauge) rating. The smaller the gauge, the

greater the cable’s capacity. The amount of cords used does not matter: Total length determines the minimum

AWG rating. Every cord must meet the AWG rating. Use the chart below to determine what AWG rating is

requiredforyour situation. Cordlengthis ratedin feet. Harbor FreightTools can supply UL listed and outdoor

rated cords in multiple AWG ratings if needed.

AWG RATING CHART

CORD LENGTH

25’ 50’ 75’ 100’ 125’ 150’ 175’ 200’

AMPS AWG AWG AWG AWG AWG AWG AWG AWG

0-10.0

18 18 16 16 14 14 12 12

10.1-13.0

16 16 14 14 14 12 12 12

13.1-15

14 14 12 12 12 12 12 —-

15-18

14 12 12 12 12 12 —- —-

DONOT MODIFY YOUR PLUG IN ANY WAY. IFYOU HAVE ANY DOUBT, CALL AQUALIFIED ELECTRICIAN.

Assembly

Your Drill Press and Stand will require assembly. When assembling and operating your Drill Press, it will be

helpful to refer to each of the operational Figures as well as to the Parts List and Assembly Diagram on pages

12 through 16. Lay out all parts onto a clear section of floor or workbench prior to assembly.

Mounting Surface: Ideally, the base should be bolted down prior to the assembly of other components. The

mounting surface must be flat, level and capable of supporting the weight of the Drill combined with the

materials to be drilled. Mount the 34" Radial Bench Drill Press to the enclosed Stand.

Caution! Consider the weight of the components and take the necessary precautions when lifting. Assistance

will be required during assembly.

Stand

Step 1) Attach one Leg (part #24C) to each side of a Side Bar (part #26C). Insert one Bolt

(part #23C) through each Leg (#24C) and through the Side Bar. Tighten the

Side Bar into place at each end with a Nut (part #22C). Repeat for the other two

Legs (#24C).

Step 2) Attach one Side Panel (part #21C) to the top of the Legs (#24C) assembled in step 1.

Make certain that the holes line up with the holes in the Legs. Insert two (2) Bolts (part #23C)

through each Leg (#24C) and through the Side Panel (#21C) on both sides. Repeat for the

second set of Legs.

#42289 Page 4

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Step 3) Connect each set of Legs (#24C) by attaching a Front Bar (part #25C) across the

middle of the unsupported Legs. Insert one Bolt (#23C) at each end and tighten

it into place with Nut (#22C). Repeat for the opposite set of Legs.

Step 4) Attach the Front Panel (part #27C) to the top of the Legs currently without a top

panel. Line up the holes in the Front Panel (#27C) with the holes in each Leg (#24C).

InsertBolt (#23C) throughtheholes andtightenon theFrontPanel withNut(#22C).

Repeat for the last set of Legs.

Base-Column-Table

Step 1) Remove any protective sleeves from the Base (part #6C) and the Column (part #1C).

With the Base (part #6C) on a flat level surface, place the Column Support (part #4C)

on the Base making certain that the holes are aligned.

Step 2) Locate the four (4) 8mm x 20mm Hex Bolts (part #5C). Insert one (1) Bolt through

eachholein the ColumnSupport (#4C) andthroughthe Base (#6C). Firmly

tighten all four (4) Bolts.

Step 3) Loosen the Screw (part #11C) in the Column Collar (part #19C) using the 3 mm Hex

wrenchsupplied. Remove theColumnCollar (#19C) and Rack(part #2C)fromthe column.

Step4) LocatetheWorm Elevationgear(part #18C). InserttheWorm-Elevationgear (#18C)

into theTable Support (part #7C). Insert theWorm Elevation as far into the opening as is

possible.

Step 5) Locate the Crank (part #8C). The Crank (part #8C) is to be installed on theWorm Elevation

(part #18C). You may need to loosen the Screw (#11C). Get the Crank as close as possible

to theTable Support (#7C) , and then tighten the Screw (#11C).

Step 6) As necessary, locate the Rack (part #2C) and with the smooth end of the Rack (#2C) pointing

upward-seeFigure 1. Slide itdown throughtheopening intheTableSupport(part #7C).

Engage the Rack into the Gear Mechanism found on the inside opening of theTable Support.

Step 7) While holding the Rack (#2C) and theTable Support (#7C) together (as assembled in the

previous steps), slide the entire assembly down over the Column (#1C). Slide the

Rack down the Column until the Rack is touching the Column Support (part #4C)

at the Base.

Step 8) Replace the Column Collar (part #19C), with the bevel side down, which was

removed in Step 3. Tighten it with the Hex wrench used in Step 3 .

Note: Only tighten the Screw (#11C) enough to keep the Collar in place. Over tightening the Screw

mayresultin breakingofthe Column Collar(#19C).

Rack (part #2C)

Crank (#8C)

Figure 1 - Rack

Column Collar (#19C)

#42289 Page 5

Brought to You by Augusta Flint

Step 9) Check the Column Collar for proper adjustment. The Column Collar should sit

evenlyonthe Column(#1C).

Step 10) Locate theTable Clamp (part #13C) and insert it into theTable Support (#7C). Once inserted,

tighten it by hand. Once this is done, rotate theWorm Elevation (#18C) clockwise with the

Crank (part #8C). If necessary, loosen the Screw (#11C) in the Crank and reposition the

Crank as close to theTable Support as possible. Tighten the Screw (#11C).

Head to Column

Step1) Insert the Locking Shoe (part #15B) into place inside the bottom of the Guide Column

(#18B)-see Figure2.

Step 2) Insert the second Locking Shoe (Part #15B) into the Guide Column (part #18B)

on the inside of the hole designated for the upper Clamping Lever (part #30B).

Step 3) With assistance, slide the Guide Column (part #18B) onto the Column (#1C) as

shown in Figure 2. It may be necessary to loosen the Guide Pin (part #16B) as well as the

Clamping Levers (part #30B) slightly to ensure that they do not protrude internally, as this will

prevent the Guide Column from sliding fully into position. Align the Guide Column (#18B) with

the Base (#6C) and firmly secure it into position with the Clamping Levers (#30B).

Step2) If it is not in place, screw the Depth-Lock Screw (part #38B) into the Depth Ring

Stop (part #37B) - see Figure 3.

Step 3) Screw the Hub (part #36B) into the Ring-Depth Stop (#37B). Screw all three (3)

Feed Rods (part #35B) firmly into the Hub (#36B). Screw each of the three Feed

Knobs (part #34B) onto the Feed Rods (#35B) - see Figure 3.

Table Support (7C)

Guide Column (18B)

Clamping Lever (30B)

Locking Shoe (15B)

Figure 2 - Head to Column

Depth Lock Screw (38B)

Hub (36B)

Feed Rod (35B) DepthRingStop(37B)

Feed Knob (34B)

Figure 3 - Feed Rod Assembly

#42289 Page 6

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Installing the Chuck

Step 1) Remove any grease and debris from the Spindle (part #15A) ) and the tapered

bore of the Chuck (part #12A).

Step 2) Using hand pressure, press the Chuck (part #12A) up onto the Arbor (part #13A) with a

twisting motion. Tap the Chuck (#12A) gently upward using a soft faced mallet. If desired,

fine tune the alignment of the Chuck using a dial indicator. To do this, mount a dial indicator

firmly onto the Table ( #20C). Place the dial indicator pointer in contact with the Chuck, and

adjust the dial to zero. Slowly rotate the Chuck and center the pointer on the indicator. To

center the Chuck, carefully tap the Chuck with a mallet, upward and to the side as needed.

Continue this process until you are satisfied with the adjustment.

Operation

Never force the tool or attachment to do the work of a larger industrial tool. It is designed to do the job better

and more safely at the rate for which it was intended.

Settings and Adjustments

Before adjustments are made, ensure that the machine is SWITCHED OFF AND UNPLUGGED. Also make

sure all locking handles and securing screws are fully tightened when adjustments are complete.

To Adjust the Head

Step 1) To adjust the Angle, loosen the right Clamping

Lever (#30B). Then pull out the Guide Pin (part #16B) and

turn it 90 degrees so that it’s cross pin rests on top of the

outlet - see Figure 5.

Hub

Crank

Table

Base

Chuck

Ring Depth Stop

On-Off Switch

Moving Bar

Clamping

Lever

Clamping

Lever

Table

Clamp

Figure 4 - OperatingYour Drill

Guide Pin

Figure 5 - Guide Pin

#42289 Page 7

(Stand Not Shown)

Brought to You by Augusta Flint

Step 2) Align the mark on the Guide Column (#18B) with the Scale (part #33B).

Step 3) Once the Head is tilted to the desired angle, re-tighten the Clamping Lever.

Step 4) To move the Head (part #14B) back to its original position, loosen the Clamping Lever (#30B)

and pull up the Guide Pin (#16B). Turn the Guide Pin until the cross pin slides back into the

slot. Tighten the Clamping Lever (#30B).

Moving the Head Horizontally

Step 1) Loosen the left Clamping Lever (#30B) and rotate the Head 360 degrees

to the desired position.

Step2) Fasten theClampingLever(#30B)

Moving the Head Forward and Backward

Step 1) Loosen the right Clamping Lever (#30B). Turn the Moving Bar (part #32B), rotating it back and

forth if necessary - see Figure 6. Place the head in the desired position and re-tighten the

ClampingLever (#30B).

To ensure that the drill is entirely perpendicular to the table, insert a piece of straight round bar in the chuck,

place a Square on theTable and bring it up to the round bar. Adjust the Table tilt if necessary so that theTable

is correctly aligned.

To Adjust the Table

The table is capable of being raised and lower by taking the following steps.

Step1) Turningthe Crank(part #8C) clockwise willelevatetheTable(#20C); turning theCrank

counterclockwise will lower theTable. The Table Clamp (#13C) must be released before

using the Crank.

Step 2) You can tilt theTable by loosening the Hex Bolt (part #12C), tilting the table to the

desiredposition(up to45degrees) andre-tighteningthe HexBolt.

Setting the Drilling Depth

Located on the side of the Hub (#36B) is the Depth Stop Ring (part #37B) and the Depth Lock Screw

(part #38B) This allows the depth of the hole to be set so that you may drill a series of holes each to the

same depth - see Figure 7.

Step1) With the Depth Lock Screw loose, set the Scale on the Depth StopTop Ring (part #37B) to the

depth of the hole desired.

Step 2) Tighten the Depth Lock Screw (#38B) until secure.

The Drill is now set to drill holes to the desired depth.

Moving Bar (32B)

Figure 6 - Moving Head

#42289 Page 8

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Changing the Pulley Speeds

The Drill Press has five (5) different pulley speeds at the following RPMs: 620, 1100, 1720, 2340 and 3100. A

full chart of belt arrangements for each drill speed is located on the inside of the Pulley Cover.

To change the speed of the Drill, you will need to move the belt to the appropriate pulleys. Hold the Knob (part

#17A) and lift up on the Belt Guard (part #25A). Adjust the belt tension by manually moving the belt into the

appropriate grooves on the pulleys which correspond to the speed desired. Consult the chart inside the pulley

cover and position the belts on the pulleys according to the desired drill speed - see Figure 8.

Step 1) Turn theThumb-Nut (part #28C) to loosen it and bring the Motor Pulley (#23) closer to the Spindle

Pulley (part #3A). This will allow the belt to be moved easily.

Cutting Speeds

The factors which determine the best speed to use in the drill press operation are:

1) Type of material to be drilled

2) Size of hole

3) Type of drill bit

4) Quality of the hole or cut desired.

Generally, the SMALLER THE DRILL BIT the GREATERTHE REQUIRED RPM. In soft material, the speed

should be higher than for hard metals. As a general guide, the drill speed for a given drill bit size is listed in the

chart on the next page.

Figure 7 - Setting Drilling Depth

Depth Lock Screw

Motor Pulley

Spindle Pulley

Figure 8 - Changing the Pulley Speed

#42289 Page 9

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SpeedRange (RPM) 3100 2340 1720 1100 620

Wood in. 3/8 5/8 7/8 1-1/4" 1-1/4"

mm 9.5 18 22 31.75 31.75

Zinc Diecast in. 1/4 3/8 1/2 3/4 3/4

mm 6.4 9.5 12.5 19 19

Alum. & Brass in. 7/32 11/32 15/32 11/16 11/16

mm 5.6 8.75 12 17.5 17.5

Plastic in. 3/16 5/16 7/16 5/8 5/8

mm 4.8 7.9 11 16 16

Cast Iron/Bronze in. 1/8 1/4 11/32 1/2 1/2

mm 3.2 6.4 8.75 12.5 12.5

Mild Steel/Malleable in. 3/32 5/32 1/4 3/8 3/8

mm 2.4 4 6.4 9.5 9.5

Cast Steel & Med Carbon in. 1/16 1/8 3/16 5/16 5/16

mm 1.6 3.2 4.8 7.9 7.9

Stainless &Tool Steel in. 3/64 1/16 1/8 1/4 1/4

mm 1.2 1.6 3.2 6.4 6.4

Running the Drill Press

Step 1) Insert the drill into the jaws of the Chuck approximately 1", ensuring that the jaws do not

touch the flutes of the drill. Before tightening the Chuck, ensure that the drill is centered

within the jaws.

Step 2) Make certain that theTable height and position is set so that the drill travel range is sufficient

for the material to be drilled.

Step 3) Make certain that the work piece is securely clamped. It should be held in a drill vise or

bolted to theTable. Never hold the material with your bare hands while drilling as this may

result in severe personal injury.

Step4) If the material is irregularly shaped and can not be laid flat on the table, it should be securely

blocked and clamped. Any tilting, twisting or shifting will result not only in a roughly drilled

hole but also increases the chances of damage to the drill.

Step 5) FOR FLATWORK, lay the workpiece onto a wooden base and clamp it down firmly

against the table to prevent it from turning.

Step 6) FOR SMALL MATERIALS that cannot be clamped to the table, use a drill press

vise. Made sure that the vise is clamped or bolted to the table.

Step 7) WHEN DRILLING COMPLETELY THROUGH WOOD, always position a piece of

scrap wood between the material and the table to prevent splintering on the

underside of the material as the drill breaks through. The scrap piece of wood

must make contact with the left side of the column. Also, set the depth of the drill so that the

drill will not come in contact with the table - or align the table so that the hole in its center is in

line with the drill bit.

Step 8) Once the instructions above have been followed, make certain guards are in

place and turn the machine ON. The ON-OFF Lock Switch (part #1B) is turned ON and

OFF as follows: The switch has a“snap-in”piece which is to be removed to lock the power

switch. Make certain that this piece, when removed, is stored in a safe place. Insert the

“snap-in”piece into the switch. To turn the machine ON, put your finger under the switch lever

and push up. To turn the machine OFF, pull the lever down.

#42289 Page 10

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