Harbor Freight Tools 2 Speed Benchtop Mill/Drill Machine Product manual
Contents
1. Do not let them handle machines tools or extension cords 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 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 Use the right tool for the job Do not attempt to force a small tool or attachment to SKU 44991 Page 2 10 Ti 12 13 14 15 16 TF 18 19 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 can 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 Wear an ANSI approved dust mask or respirator when working around metal 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 instruct2. Block 65 can control the travel of the Spindle Box i Loosen Handle 30 attached to the Limit Block 65 SKU 44991 Page 6 REV 12 04 2 3 Adjust the position of the Limit Block 65 up or down Refer to the Ruler 67 on the side of the Vertical Support 68 Tighten the Handle Adjusting the Vertical Support Angle t Caution Avoid injury or damaging machine hold the Vertical Support in place to keep it from fall ing to the left or right during adjustment 2 3 Using the Large Wrench accessory A loosen Lock Nut 70 only enough to allow movement of the Vertical Support 68 Adjust the Vertical Support angle as needed 45 degrees left or right maximum Check Ruler 44 for angle When the Vertical Support is at the desired angle tighten Lock Nut 70 again Basic Drilling and Milling Procedure During the following procedure it may be helpful to refer to the machine photo on page 5 1 2 o oN Make desired changes and adjustments to the machine for drilling or milling Set an appropriate speed for drilling or milling the workpiece Use the Speed Control Knob 134 to adjust the Spindle speed For cutting metal the speed range should be between 200 to 2500 RPM Faster speeds are generally used when milling softer materials and drilling small holes And slower speeds for milling harder material and drilling larger holes Using a fixture not supplied mount the workpiece to the Wo
3. When unpacking check to make sure the following parts and accessories are included LB 18mm Drill Chuck with Taper Shank xL CD Fwon O o n S eee ITEM DESCRIPTION maces Tage Weert Double end Wrenches 8 10 14 17 17 19 Chuck Key Ce oS D CH ins E _t k 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 Installation 1 Place the machine on a level flat and heavy work table or bench sufficient to support weight and use of product and with sufficient light and enough side room to allow movement of the Working Table 19 2 Secure the machine to the appropriate table or bench using four hex screws not supplied by screwing them through the base mounting holes SKU 44991 Page 4 REV 11 02 An optional oil pan can be placed under the machine before it is mounted to the table Before operation loosen the slide worktable and drill mill spindle They were locked for shipping 5 Remove all packing material and clean machine with nonflammable solvent Oil the machine according to the lubrication requirements before running the machine Assembly 1 Install the Chuck Thoroughly clean the tapered hole in the Chuck 164 and the Spindle 79 shaft of all dirt grease oil and protective coatings paint thinner may be necessary Slide the Chuck onto the Spindle shaft Turn the Chuck sleeve clockwise and open the jaws compl
4. CENTRAL MACHINERY MINI VERTICAL MILLING DRILLING MACHINE Nfeye 21144991 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http Awww harborfreight com 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 and replacement parts please call 1 800 444 3353 Specifications 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 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 2 Keep work area clean Cluttered areas invite injuries 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 Keep children away Children must never be allowed in the work area
5. NS 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 OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 44991 Page 8 Part Name Parts List Q ty Item No Part Name 1 Base Cap screw M6 x 25 2 X axis feeding screw Fuselage seal 2e Key 4x 16 Shaft Dial Key 8 x 12 4 5 Hand wheel 6 Nut M8 7 Knob Screw M8 x 55 Cap screw M6 x 8 Holding plate 1 Dust guard cover Holding plate 2 Spring washer 10 a Washer 10 Cap screw M10 x 30 EEE a Guide finger Set screw M6 x 22 Ruler Wedge Gear rack Ball bearing 200 Cap screw M6 x 12 Hand wheel Y axis ruler Cap screw M6 x 16 1 a 2 2 1 Name plate Spindle box k Y axis alesis seat z 4 1 Pinion Key 4 x 25 be ganr End cover Spring 0 8 x 08 x 10 Screw M6 x 10 Screw M6 x 8 Y axis screw nut Handle stock Holding plate 3 Dust guard cover Operating lever Lever cap Cap screw M8 x 25 Screw seat Cap screw M6 x 16 Set screw Mo x 22 Guide finger Cap screw M6 x 25 Nut M6 Handle Guide finger Screw M6 x 8 Spindle box seat Ruler Vertical Support Electric box ___Lock nut M24 Big w
6. asher NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 44991 Page 9 REV 03 05 Part Name Q ty Item No Part Name Connecting strut 78 Key 5 x 5 x 40 22 79 Spindle 1 123 1 121 Cap screw M5 x 8 80 Transmission gear 1 124 Name plate Support block 1 125 Fine feeding label 1 se Bearing cover Ball bearing 80206 me KO SKU 44991 81 82 Screw M5 x 20 2 126 Protecting cover 1 Motor gear i 85 Sleeve Intering ring 9 0 86 Motor seat 87 Pin3 12 2 Adjustable union 1 Round screw M5 x 8 l g9 Bracket 133 Lamp 90 Screw M5 x 25 1 134 Speed control knob 1 91 Dial 1 T ge I 94 Screw M5 x 16 1 138 Gear 1 95 Small shaft l 139 Ball bearing 80101 96 Cover 1 140 Transmissiom gear l 97 Screw M4 x 6 2 141 Bar 98 Support of dust cover l 142 Linking board 99 Screw M5 x 16 2 143 Set screw M5 x 1l 100 Dust guard l 144 Self tapping Screw ST2 9 x 8 2 101 Clamp bolt M6 x 12 1 145 H L label l 102 Upper end washer 1 146 Motor cover 103 Upper end screw M6 x 16 i 147 Motor
7. connecting flange 4 104 Set screw M6 x 6 1 148 Screw M6 x 10 l 105 Spring 0 8 x 4 8 x 10 l 149 Warning lable kod 106 Ball 5 0 1 150 PC board 1 107 Handle seat 1 Isl Lock sleeve 1 108 Double head bolt M8 x 70 1 152 Rotor shaft l 109 Knob m 1 53 Key 4 x 6 1 110 Warning label l 154 Spring support 1 111 Controller 155 Torsion spring 1 112 Label on controller Cover 157 Nut Internal ring 6 12 Spacing ring Screw Small shaft l 161 2 Spacing ring l 162 Spindle nut l 163 I Double round head key 5 x 5 x 30 l 164 1 REV 11 02 Longitudinal Y Axis and Cross X Axis Assembly Drawing SKU 44991 Page 11 Vertical Z Axis Assembly Drawing 165 164 SKU 44991 Page 12 SKU 44991 Spindle and Gear Box Assembly Drawing WA bw pi 2 4 F amp __ eo D EN qU Q e Ow ve v a o N 167 lt gt 168 169 170 122 n 121 Page 13 Limited 90 Day Warranty Harbor Freight Tools Co makes every effort to assure that its products meet high quality and durability standards and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities criminal activity improp
8. er installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warranty then you must bear the cost of returning the product This warranty gives you specific legal rights and you may also have other rights which vary from state to state 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353
9. etely Tap the nose of the Chuck lightly with a piece of wood to securely set the Chuck If necessary screw the Handles into the Small Hand Wheels Check the angle of the Vertical Support 68 for true vertical Check all bolts for tightness Operation This Mini Milling Drilling Machine is capable of machining metal and nonmetallic stock by cutting drilling and milling It can cut circular surfaces both inside and out cones mill planes or grooves and other cutting functions depending on the tools used The machine consists of the following main components as shown in the photo below Motor 127 Electrical Box 69 Vertical Support 68 Small fine Feed Wheel 93 Headstock and Spindle Box 49 Balance Mechanism Assy Emergency Stop Switch 37 Limit Block 65 Speed Control Knob 134 Connecting Strut 72 Longitudinal Feed Hand Wheel Working Table 19 Saddle 35 Cross Feed Hand Wheel 5 Base 1 SKU 44991 Page 5 Checks before Operation 1e Turn on the machine by lifting the cover and pulling out the Emergency Stop Switch 137 Turn the Speed Control Knob 134 and verify spindle speed changes Verify that the spindle is rotating clockwise Operate the Longitudinal Axis Working Table Cross Axis Saddle Seat and Vertical Axis Vertical Support and verify their proper operation and movement Caution Avoid injury to you or damage to machine Unplug the power cord fr
10. fter each use wipe down all metal parts of the machine to prevent rusting Using machine lubrication grease periodically apply to the X axis feed screw saddle seat Y axis feed screw working table and Z axis feed gear rack vertical support Periodic General Maintenance is Ce NON A Q Inspect all moving parts for lack of lubrication If necessary lubricate as described above Using compressed air blow the machine clean of all foreign material Wear eye protection during this operation Check all adjustment screws bolts and handles for tightness Store cutting tools in a wooden box or other moisture proof package Cover the machine when not in use Sharpen cutting tools as soon as they become dull Always keep the taper shank clean Store all tools and accessories in a clean and dry location near the machine Always use the supplied tools and wrenches to make repairs and adjustments 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 CERTIFIED AND LICENSED TECHNICIA
11. ions 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 tool 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 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 accesso
12. om the electrical outlet before performing any adjustments tool replacement or maintenance Installation of the Taper Shank Cutter dls i Note For illustration Removal of the Taper Shank Cutter purposes only Only amp 1 5 Pull off the Protective Cover 126 Wipe the spindle sleeve and taper of all dirt and grease Unscrew Clamp Bolt 101 and remove Dust Guard 100 Place the Taper Shank B into the Spindle 79 sleeve Cover the Cutter C not included end with an oil cloth to protect hands and machinery Insert the Fixing Pin accessory D on the right side of the Spindle sleeve Refer to page 4 clockwise the Spindle draw bar A to lock in the Taper Using the 14 open end wrench accessory G tighten Shank Cutter into the Spindle Pull out the Fixing Pin and replace the Protective Cover Chuck with Taper Shank Pull off the Protective Cover 126 164 is included Insert the Fixing Pin accessory D on the right side of the Spindle sleeve Using the 14 open end wrench accessory G loosen counterclockwise the Spindle draw bar A to unlock the Taper Shank Cutter in the Spindle Using a plastic hammer gently tap the Taper Shank B until it breaks free Place a cushion on the Working Table 19 to protect the assembly if it falls out Replace the Taper Shank Cutter with the Drill Chuck or other tool if desired Travel Adjustment Adjusting the Limit
13. ries are available from Harbor Freight Tools 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 SKU 44991 Page 3 up Otherwise the extension cord could melt and catch fire or cause electrical damage to the tool This tool requires use of an extension cord of 0 to 10 amps capability up to 50 feet with wire size rated at 18 AWG Longer extension cords require larger size wire If you are using the tool outdoors use an extension cord rated for outdoor use signified by WA on the jacket 21 Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Note Performance of this tool if powered by line voltage may vary depending on variations in local line voltage Extension 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 Unpacking
14. rking Table 19 Adjust the Limit Block 65 height This will enable Spindle movement to the desired cut and disable an over cut which could damage the workpiece fixture or Work Table Adjust the Working Table Longitudinal Feed Hand Wheel X Axis and the Cross Feed Y Axis Hand Wheel 5 into position for milling or drilling One step turn of the Hand Wheel moves the Work Table 0 03 mm one complete turn moves it 1 5 mm Remove any tools or obstacles from in and around the Work Table Turn the machine on Lift the Emergency Stop Switch 137 cover and pull button out If necessary adjust the Spindle speed with the Speed Control Knob 134 Begin milling or drilling Use the Operating Lever 58 to make large adjustments to the Spindle height For fine adjustments use the Fine Feeding Wheel 93 Refer to the ruler on the Vertical Support to determine drilling or milling depth Caution Keep hands and fingers clear of the working table and workpiece while the machine is in operation SKU 44991 Page 7 10 When the drilling or milling is completed press in on the Emergency Stop Switch and 11 close its cover Unplug the line cord from the electrical outlet and clean the machine of all debris Maintenance Caution Avoid injuries or damage to equipment Before performing any maintenance on this machine unplug the power cord from the electrical outlet Lubrication Requirements l Using a light oil and clean cloth a
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