Harbor Freight Tools 43378 User's Manual
Contents
1. Turn the Belt Tension Lever 19 to tighten the belts moderately and hold in place Turn the Belt Tension Lock Knobs 18 clockwise to lock the belt tension Note To test the proper belt tension push in on the center of each belt at its center It should move only 1 2 inch in or out Caution overtightening the belts can cause the motor to bind and not start It can also damage Motor bearings 14 Attach Knob A21 to the top Pulley Cover using Screw A22 Warning Do not plug line cord into the electrical outlet at this time 15 Locate the three Feed Handles 24 and screw them firmly into the Spindle Feed Shaft 25 16 Install the Chuck A15 Thoroughly clean the tapered hole in the Chuck and the Arbor A14 of all dirt grease oil and protective coatings Slide the Chuck onto the Arbor Loosen the Arm Locking Handle B16 and turn the Table Crank B8 to raise the Table so that it is about two inches from the Chuck Turn the Chuck sleeve clockwise and open the jaws completely Turn the Feed Handle counterclockwise and force the Chuck against the Table until it is secure 17 Verify that the Table is square 90 degrees to the Head Assembly and drill bit Secure a three inch drill bit in the Chuck Raise the Table to within four inches of the Chuck Place the long side of a combination square on the Table Align the short side of the square to the drill bit If the Table is not square to2. B11 is secure but not overtightened The Collar should be positioned so that its rack will slide freely in the collar when the Table B15 is rotated around the Column Collar B2 az Arm B14 Table Clamp B13 7 Loosen the Table Clamp B13 and insert the Table B15 into the Table Arm B14 It may be necessary to pry open the Table Arm opening with a large screwdriver since itis meant to be a tight fit With the Table in place retighten the Table Clamp CAUTION Avoid injuries The next step involves lifting the Head Assembly onto the Column Tube The Head Assembly weighs about 55 Ib Have someone help you lift this assembly into place Rev 07i SKU 43378 Page 7 8 Using two people lift the Head Assembly up and onto the Column B1 It should slide down on the Column Tube as far as it will go Align it so that it faces straight forward inline with the Base 9 Screw in two Set Screws 21 into each side of the Head 1 and tighten with the Allen wrench Head Assembly Hex Screw 17 Washer 15 Belt Tension Panel iy Lock Knob 18 A Belt Tension ay Lever 19 Be Head Lock Set Screws 21 10 Mount the Motor 13 onto the Head Assembly see photo above Place a Washer 15 on each of four Hex Screws 17 Insert Hex Screws into the Motor Mount 8 from left to right as shown above Position the Motor base slots over the Hex Screws Place a Washer 15 and Hex Nut 14 on each
3. Turn the screwdriver counterclockwise and engage the next Spring Cap notch Leave the screwdriver in place Tighten the inner Hex Nut just enough to engage the notch If this Hex Nut is too tight it will restrict up and down Chuck Arbor movement Turn the Feed Handle and check the spring tension making sure the up movement is smooth and complete From one inch down the Chuck should return to its uppermost position If more tension is required repeat steps 5 through 9 Replace the outer Hex Nut and tighten on top of the inner Hex Nut Do not overtighten If the up down movement is restricted slightly loosen the inner Hex Nut and retighten the outer Hex Nut General Maintenance 1 or o oe ND Using compressed air blow clean the Table Base and Motor cooling vents of dirt and materials Apply paste wax to the Table and Column to enable movement and to help keep surfaces clean All bearings are factory lubricated and need no further attention Periodically lubricate the Tube Column teeth Table gears and Spindle upper teeth Monthly check the tightness of all mounting screws and bolts in the Base Column and Head assemblies Check belts for wear and replace if frayed or damaged in any way Lubricate Spindle assembly with a light oil weekly Periodically grease the rack Store in a clean and dry location Rev 07i SKU 43378 Page 13 Troubleshooting SYMPTOM POSSIBLE CAUSE SOLUTION In
4. Hex Screw 17 Hand tighten Position the Motor shaft at the center of the Pulley Cover A23 11 Install the Motor Pulley 11 Slide the Motor Pulley onto the Motor shaft Line up the flat notch on the shaft with flat notch on the pulley The pulley should not touch the lower Pulley Cover A23 Tighten the Motor Pulley onto the shaft using the Allen wrench and Set Screw 12 Pulley Assembly Hex Nut 14 Motor 13 Speed Belt Chart Idler Pulley A19 Motor Pulley 11 Spindle Pulley A3 Pulley Cover A23 V belt A1 N Set Screw 12 V belt A1 12 Adjust the height of the Motor Pulley Lay a straight edge across the two pulleys Rev 07i SKU 43378 Page 8 Push the Motor up until the top of the pulleys align Hold Motor in place Using a wrench tighten four Hex Nuts 14 supporting the Motor Turn the Belt Tension Lever 19 counterclockwise to release belt tension 13 Install V belts A1 Refer to the photos on page 7 Turn the Belt Tension Lever 19 and move the pulleys closer together Place the Idler Pulley A19 on the Idler Pivot A20 and into the Pulley Cover center hole See the Pulley Assembly Drawing at the end of this manual Place the V belt between Spindle Pulley A3 and the Idler Pulley A19 Refer to the chart inside the Pulley Guard lid to select speed and belt locations Place V belt between the Motor Pulley 11 and the Idler Pulley A19
5. the bit loosen Set ie Screw B11 with the Allen wrench and the Lock Lock Screw B12 Screw B12 with a Hex Wrench Rotate the Table until it is square to the bit Retighten the Lock Screw then the Set Screw Set Screw B11 Rev 07i SKU 43378 Page 9 Operation Warning Avoid personal injuries Before operating this machine review all Safety Warnings and Precautions listed on pages 2 through 5 1 Loosen the Arm Locking Handle B16 and turn the Table Crank B8 to adjust the Table height to accommodate the workpiece being drilled Open the Chuck and insert the drill bit in the center Tighten with the Chuck Key A16 Secure the workpiece and backup material to the Table using a vise and or clamp The workpiece sits on the backup material To keep it from spinning have it touching the left side of the Column 4 Adjust the height and left right position of the Table Tighten the Arm Locking Handle B16 5 Bring the drill bit down with the Feed Handles to where the hole is to be drilled Make minor workpiece alignment adjustments Plug the Motor Cable 16 plug into an electrical outlet Insert the Switch Key into the Switch 31 Feed Handles 24 Switch 31 Switch Key Depth Ring Collar Depth Locking Screw Warning Wear an ANSI approved full face shield while drilling any type of material 8 Push the Switch up to turn the Motor ON 9 Pull down on the Feed Handle and slowly drill the hole into th
6. CENTRAL MACHINERY 16 SPEED FLOOR DRILL PRESS LXi 43378 SET UP AND OPERATING INSTRUCTIONS Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Distributed exclusively by Harbor Freight Tools 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our website at http www harborfreight com Read this material before using this product Failure to do so can result in serious injury SAVE THIS MANUAL Copyright 2000 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions or replacement parts please call 1 800 444 3353 Cover revised 07i Specifications Motor 120 VAC 60 Hz 3 4 HP 1750 RPM 5 8 amps Sa with load D us LISTED 16 Spindle Speeds 220 300 430 480 590 650 720 850 950 See p p 1600 1900 2000 2500 2900 and 3600 RPM Spindle Stroke 3 1 8 inches Taper MT2 Column 2 7 8 diameter inches Table Rotation 360 Tilt 45 left and right Table Size 11 5 8 diameter inches Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the
7. D AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO ORARIS ING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Rev 07i SKU 43378 Page 14 Head Assembly Parts List 3 26 Collar Depth Stop w Scale 5 28 Connector Wire 29 Lock Washer Ext 5mm rg 30 Pan Head Screw M5x12 33 Switch Plate Cover 10 34 Pan Head Screw ST4 2x9 5 7 35 Switch Box ME 12 Set Screw Socket M6x10 36 Switch Box 13 Motor 37 Set Screw Special M8 14 Hex Nut M8 38 Hex Nut M12 15 Washer 08 39 Quill Spring Cap 16 Motor Cable 40 Quill Spring 17 Hex Screw M8x20 41 Spring Retainer 18 Belt Tension Lock Knob 42 Spring Seat 19 Belt Tension Lever 43 Power Cable 20 Roll Pin 44 Cable Tie 21 Set Screw Head Lock M8x25 45 Allen Wrench 4mm 22 Depth Lock Screw 46 Allen Wrench 3mm 23 Knob NOTE Some parts are listed in these Part Lists are shown for illustration purposes only and are not available individually as replacement parts Rev 07i SKU 43378 Page 15 Head Assembly Drawing SKU 43378 Page 16 SKU 43378 Pulley and Spindle Assembly Parts List I 3 Idler Pulley gt N gt w 1 A1 A A1 ao A1 O A1 N A1 o A1 A20 Idler Pivot Page 17 Rev 07i Pulley and Spindle Assembly Drawing r Ea O
8. Drill Press Base B6 to the floor using Bolts not supplied The floor must be level smooth and capable of supporting the weight of the drill press and workpieces Locate the Drill Press in an area where you walk around it unhampered Avoid kickback and grabbing by clamping the workpiece to the table or use a vise that is secured to the table If the workpiece begins to spin do not attempt to stop it with your hands Turn the motor OFF and wait until it stops spinning before attempting to remove it 4 Avoid being caught and pulled into the spinning chuck Do not wear gloves long sleeve shirts ties or jewelry Long hair must be bundled behind the head Rev 07i SKU 43378 Page 5 5 Never place hands and arms near the workpiece to avoid the possibility of the work piece coming loose and striking you 6 Before drilling turn on the motor and check for bit wobble or machine vibration If this is found correct the problem before drilling Set the proper spindle speed for the specific drilling operation When finished with the Drill Press always press the Switch to the OFF position and remove the Lock Key 9 Do not mount or adjust the workpiece on the Drill Press Table while the motor is running 10 When drilling or cutting large holes use the slower speeds and securely fasten the workpiece to the table using a mounted vise 11 Do not use drill bits that extend more than six inches from the Chuck 12 Do not use ci
9. an be caught in moving parts Protective electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved impact safety goggles Wear a full face shield if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines Maintain tools with care Keep tools sharp and clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords periodically and if damaged have them repaired by an authorized technician The handles must be kept clean dry and free from oil and grease at all times Disconnect power Unplug when not in use Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before plugging it in Avoid unintentional starting Be sure the switch is in the Off position when not in use and before plugging in Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired Take caution as some woods contain preservatives such as copper chromium arsenate CCA which can be toxic When cutting these materials extra care should be taken to avoid inhalat
10. correct spindle speed Change spindle speed Drill bit burns or Dull drill bit Replace with new bit smokes Drilling too slowly Drill faster Lacking lubrication Lubricate cutting area Belt tension set wrong Adjust belt tension Makes unusual Spindle dry Lubricate spindle noise Loose spindle pulley Check pulley nut Loose motor pulley Tighten Set screws Bent bit Replace drill bit Worn Spindle Bearings Replace spindle bearings Drill bit not in Chuck correctly Reinstall drill bit Chuck not properly installed Reinstall Chuck and Arbor assembly Drill bit wobbles Feed Handle returns slowly or Adjust Quill Spring Adjust Quill Spring See page 11 too fast Workpiece pinching drill bit Reposition workpiece lubricate drill Dull drill bit Replace drill bit Feed pressure too hard Pull Feed Handle slowly Belts loose Adjust motor and spindle belt tension Drill bit binds PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIE
11. d Arbor 1 Using a clean cloth wipe the tapered surfaces on the Arbor and Spindle 2 Slide the Arbor and Chuck assembly up and into the Spindle At the same time turn the assembly until the rectangular end of the Arbor slips into the notch on the Spindle Warning In the previous step if the Arbor is not properly set in the Spindle notch it may fly out during operation 3 Loosen the Arm Locking Handle B16 and raise the Table about three inches below the Chuck Turn the Chuck sleeve clockwise to open the jaws completely Turn the Feed Handle counterclockwise and force the Chuck against the Table until the Arbor is secure Adjusting the Feed Handle Return Quill Spring Caution Wear a full face shield during this procedure 1 Loosen the Depth Locking Screw 2 Move the Chuck to its uppermost position 3 Turn the Depth Stop Collar clockwise until it stops 4 Tighten the Depth Locking Screw This will prevent the Chuck and Arbor assembly from dropping during Quill Spring adjustment 5 Insert a screwdriver in the lower front notch of the Quill Spring Cap 39 Hold it in place and using a wrench remove the outer Hex Nut 38 only Rev 07i SKU 43378 Page 12 With the screwdriver still in place loosen the inner Hex Nut 38 until the Quill Spring Cap notch disengages from the Spring Seat 42 about 1 8 inch Quill Spring Cap 39 Hex Nut 38 Inner Hex Nut 38 Outer Quill Spring Cap Notches
12. e workpiece Warning If the drill bit grabs and spins the workpiece do not attempt to stop the spin ning with your hands Step back and push the Switch down to the OFF position Wait for the spindle to stop turning before dislodging the workpiece 10 When the drilling is complete press the Switch to the OFF position and remove the Switch Key Keep the Switch Key in a safe place Setting the Depth Scale to Drill to a Specified Depth During this procedure refer to the photo on page 9 1 Secure the workpiece to the Table Rev 07i SKU 43378 Page 10 8 Mark the desired hole depth on the side of the workpiece Loosen the Depth Locking Screw Lock Turn the Feed Handle counterclockwise to bring the tip of the drill bit down next to the hole depth mark Turn the Depth Stop Collar counterclockwise until it stops moving Tighten the Depth Locking Screw Turn the Drill Press ON and turn the Feed Handle counterclockwise until it drills the hole and stops at the set depth Turn the Drill Press OFF Using the Depth Scale to Measure Depth While Drilling OF OP oe NS oS 7 Secure the workpiece to the Table Loosen the Depth Locking Screw Adjust the Table height so that the tip of the drill bit is just above the workpiece Turn the Depth Stop Collar clockwise to 0 Tighten the Depth Locking Screw Turn the Drill Press ON and turn the Feed Handle counterclockwise to drill the hole While drilling watch the poi
13. i SKU 43378 Page 4 VIBRATION HAZARD This tool vibrates during use Repeated or long term exposure to vibration may cause temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury iP Anyone using vibrating tools regularly or for an extended period should first be examined by a doctor and then have regular medical check ups to ensure medical problems are not being caused or worsened from use Pregnant women or people who have impaired blood circulation to the hand past hand injuries nervous system disorders diabetes or Raynaud s Disease should not use this tool If you feel any medical or physical symptoms related to vibration such as tingling numbness and white or blue fingers seek medical advice as soon as possible 2 Do not smoke during use Nicotine reduces the blood supply to the hands and fin gers increasing the risk of vibration related injury 3 Wear suitable gloves to reduce the vibration effects on the user 4 Use tools with the lowest vibration when there is a choice between different process es 5 Include vibration free periods each day of work 6 Grip tool as lightly as possible while still keeping safe control of it Let the tool do the work T To reduce vibration maintain the tool as explained in this manual If any abnormal vibration occurs stop use immediately Drill Press Safety Warnings and Precautions 1 Secure the
14. inside of the front cover Keep the manual and invoice in a safe and dry place for future reference Safety Warnings and Precautions WARNING When using tool basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lighted Do not use electrically powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Do not force tool It will do the job better and more safely at the rate for which it was intended Do not use inappropriate attachments in an attempt to exceed the tool capacity 6 Use the right tool for the job Do not attempt to force a small tool or attachment to REV 00j SKU 43378 Page 2 do the work of a larger industrial tool There are certain applications for which this tool was designed Do not modify this tool and do not use this tool for a purpose for which it was not intended Dress properly Do not wear loose clothing or jewelry as they c
15. ion and minimize skin contact Check for damaged parts 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 Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by a qualified technician Do not use the tool if any switch does not turn On and Off properly Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools SKU 43378 Page 3 20 21 22 23 24 25 Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool Use proper size and type extension cord If an extension cord is required it must be of the proper size and type to supply the correct current to the tool without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the tool Thi
16. nter and scale on the Depth Stop Collar Stop turning the Feed Handle when the pointer and scale indicate the desired depth Turn the Drill Press OFF Locking the Chuck at a Specific Depth 1 2 3 4 Loosen the Depth Locking Screw Turn the Feed Handle counterclockwise to bring the Chuck to the desired depth Turn the Depth Stop Collar clockwise until it stops Tighten the Depth Locking Screw The Chuck will be held at this position when the Feed Handle is released Tilting the Table iP 2 3 Loosen Set Screw B11 under the Arm assembly with the Allen wrench Loosen the Lock Screw B12 with the Hex Wrench Rotate the Table to the desired angle The scale can be used to approximate the angle Retighten the Lock Screw then the Set Screw Rev 07i SKU 43378 Page 11 Maintenance Warning Before performing any maintenance to this machine remove the line cord from the electrical outlet Removing the Chuck and Arbor During this procedure refer to the Pulley and Spindle Assembly Drawing 1 Adjust the Depth Stop Collar to hold the Chuck at a depth of three inches 2 Align the key holes in the Spindle Shaft A13 and the Quill A11 by turning the Chuck by hand Insert the Wedge Drift Key A17 into the key holes Lightly tap the Wedge Drift Key with a rubber mallet until the Arbor A14 falls out of the Spindle Place a bundled cloth or basket below the Chuck to catch it when it falls Installing the Chuck an
17. o ON ETAN CAG Sp a F P Ty When ordering a part from this drawing add an A prefix to the part number Rev 07i Page 18 SKU 43378 Base and Table Assembly Parts List tome _ Beeripion Teo ewe Rev 07i SKU 43378 Page 19 Base and Table Assembly es ii 18 L TR aCe When ordering a part from this drawing add a B prefix to the part number Rev 07i SKU 43378 Page 20
18. rcle cutters rotary planers wire wheels router bits or shaper cutters on this Drill Press Unpacking When unpacking check to make sure the following parts are included Head Assembly Motor 13 a Table B15 Table Arm Assembly Column B1 Bag of Loose Parts Box of Loose Parts Column Support B4 Base B6 If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible Rev 07i SKU 43378 Page 6 Assembly Assembly hardware is located in separate bags Each bag contains the necessary parts for each assembly step Remove all packing and protective material from the Drill Press com ponents 1 Position the Base B6 on a level floor It is recommended to bolt the Base to the floor using appropriate hardware not supplied Column Support B4 Hex Screws B5 Arm Locking Handle B16 Table Crank B8 2 Place the Column Support B4 on the Base aligning the mounting holes 3 Insert four large Hex Screws B5 into the mounting holes and tighten with a wrench 4 Install the Arm Locking Handle B16 on the left side of the Table Support B7 Hand Tighten 5 Mount the Table Crank B8 onto the right side of the Table Support Tighten with the Allen wrench The set screw must be tightened against the flat portion of the screw shaft 6 Verify that the Column Collar B19 is square to the Column and that the Set Screw
19. s tool requires use of an extension cord of 0 to 12 amps capability up to 50 feet with wire size rated at 16 AWG Longer extension cords require larger size wire smaller AWG number If you are using the tool outdoors use an extension cord rated for outdoor use signified by WA on the jacket Secure Workpiece Use clamps or a vise to hold workpiece if possible Never hold workpiece with your hands Never leave Drill Press running unattended Turn the power OFF Maintenance For your safety service and maintenance should be performed regularly by a qualified technician People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure WARNING This product contains or when used produces a chemical known to the State of California to cause cancer and birth defects or other reproductive harm California Health amp Safety Code 25249 5 et seq Note Performance of this tool may vary depending on variations in local line voltage Exten sion cord usage may also affect tool performance Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be under stood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Rev 07
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