Grizzly G7958 Lathe User Manual
Contents
1. Industrial Inc COLLET CLOSER MODEL G8143 INSTRUCTION MANUAL FOR USE WITH METAL CUTTING LATHE MODEL G5960 AND G7958 COPYRIGHT MAY 2003 BY GRIZZLY INDUSTRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC PRINTED IN CHINA ONLINE MANUAL DISCLAIMER THE INFORMATION IN THIS MANUAL REPRESENTS THE CONFIGURATION OF THE MACHINE AS IT IS CURRENTLY BEING SHIPPED THE MACHINE CONFIGURATION CAN CHANGE AS PRODUCT IMPROVEMENTS ARE INCORPORATED IF YOU OWN AN EARLIER VERSION OF THE MACHINE THIS MANUAL MAY NOT EXACTLY DEPICT YOUR MACHINE CONTACT CUSTOMER SERVICE IF YOU HAVE ANY QUESTIONS ABOUT DIFFERENCES PREVIOUS VERSIONS ARE NOT AVAILABLE ONLINE WARNING Some dust created by power sanding sawing grind ing drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints e Crystalline silica from bricks cement and other masonry products e Arsenic and chromium from chemically treated lumber 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 ventilat ed area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particl2. SET SCREW M8 1 25 X 14 11 WARRANTY AND RETURNS Grizzly Imports Inc warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase This warranty does not apply to defects due directly or indirectly to misuse abuse neg ligence accidents repairs or alterations or lack of maintenance This is Grizzly s sole written warranty and any and all warranties that may be implied by law including any merchantability or fitness for any particu lar purpose are hereby limited to the duration of this written warranty We do not warrant or represent that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants In no event shall Grizzly s liability under this warranty exceed the purchase price paid for the product and any legal actions brought against Grizzly shall be tried in the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent spe cial or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Number which must be clearly posted on the outside as well as the inside of the car ton We will not accept any item back without this number Proof of purchase must accompany the mer chandise The manufacturers reserve the right to change
3. Closer To begin assembly follow these initial safety instructions 1 Disconnect the lathe from the power source 2 Remove the chuck or any other device that is mounted to the spindle Refer to your owners manual 3 Make sure the 5 C Collet Morse Taper Adapter included in the kit and the spindle opening are clean and free of oil Use a soft cloth or rag to wipe up any contaminant Y 38143 Collet Closer Cover Removal Mounting the Model G8143 requires the use of a few simple tools Tools Required Adjustable wrench 3MM hex key 4MM hex key To remove the lathe cover and the mounting studs Remove the end cover from the lathe by unscrewing the cover knobs on the left end of the lathe as shown in Figure 1 nl Figure 1 Lathe cover removal yY Hub Separation To install the hub adapter to the outboard spindle 1 Remove the hub adapter from the draw tube assembly 2 Unscrew the cap screws shown in Figure 2 holding the two pieces of the hub adapter together Note The hub adapter halves are machined for a very tight fit Once the cap screws are removed hit them apart with a rubber mallet Setscrews Cap screws Figure 2 Hub separation 3 Install the half of the hub adapter with the setscrews onto the outboard spindle shaft shown in Figure 3 Figure 3 Installing hub adapter 4 4 Tighten all three s
4. specifications at any time because they constantly strive to achieve better quality equipment We make every effort to ensure that our products meet high quality and durability standards and we hope you never need to use this warranty Please feel free to write or call us if you have any questions about the machine or the manual Thank you again for your business and continued support We hope to serve you again soon CUT ALONG DOTTED LINE 10 11 12 WARRANTY CARD NAME PHONE NUMBER STREET CITY STATE ZIP MODEL G8143 Collet Closer SERIAL INVOICE The following information is given on a voluntary basis This information will be used for marketing purposes to help Grizzly develop better products Your name will be included in our mailing list only It will not be sold to other com panies of course all information is strictly confidential How did you find out about us _ Advertisement ___ Friend __ Website _ Catalog __ Card deck Other Do you think your machine represents good value _ YES __NO Would you allow us to use your name as a reference for Grizzly customers in your area YES _ NO Note Your name will be used a maximum of three times To which of the following publications do you subscribe Check all that apply __ Home Shop Machinist _ Rifle Magazine Other __ Projects in Metal __ Hand Loader Magazine __Modeltec __ Precision Shooter __Live Steam __RC Modeler __ Shotg
5. tool before turning on starter keys KEEP WORK AREA CLEAN Cluttered DO NOT FORCE TOOL It will do the job areas and benches invite accidents better and safer at the rate for which it was designed DO NOT USE IN DANGEROUS ENVI RONMENT DO NOT use power tools in USE RIGHT TOOL DO NOT force tool or damp or wet locations or where any flam attachment to do a job for which it was not mable or noxious fumes may exist Keep designed work area well lighted G8143 Collet Closer EE 9 _2 AWARNING Safety Instructions For Metalworking Tools USE PROPER EXTENSION CORD Make sure your extension cord is in good condi tion Conductor size should be in accor dance with the chart below The amperage rating should be listed on the motor or tool nameplate An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Your extension cord must also contain a ground wire and plug pin Always repair or replace exten sion cords if they become damaged Minimum Gauge for Extension Cords AMP RATING 06 21 30 WEAR PROPER APPAREL DO NOT wear loose clothing gloves neckties rings bracelets or other jewelry which may get caught in moving parts Non slip footwear is recommended Wear protec tive hair covering to contain long hair ALWAYS USE SAFETY GLASSES Everyday eyeglasses only have impact resis tant lenses they are NOT safety glasses SECURE WORK Use properly secu
6. yourself accordingly NEVER OPERATE A MACHINE WHEN TIRED OR UNDER THE INFLUENCE OF DRUGS OR ALCOHOL Full mental alert ness is required at all times when running a machine CAUTION No list of safety guidelines can be com plete Every shop environment is different Always consider safety first as it applies to your individual working conditions Use this and other machinery with caution and respect Failure to do so could result in serious personal injury damage to equip ment or poor work results G8143 Collet Closer INTRODUCTION Commentary The Model G8143 Collet Closer allows you to quickly interchange 5 C collets on your Model G5860 or Model G7958 Metal Cutting Lathe The positive locking handle clamps standard 5 C col lets safely and securely for precision turning Grizzly also offers an extensive line of precision ground 5 C collets ideal for use with the Model G8143 Collet Closer See the latest Grizzly Catalog or visit our web site at www grizzly com for price and ordering information Most importantly we stand behind our tools If you have any service questions or parts requests please call or write us at the location listed below Grizzly Industrial Inc 1203 Lycoming Mall Circle Muncy PA 17756 Phone 570 546 9663 Fax 800 438 5901 e Mail support grizzly com Site http www grizzly com AWARNING Disconnect power to your lathe before beginning installation of the Model G8143 Collet
7. STAPLE
8. e collet from the collet adapter and insert the new 5 C collet 5 Rotate the draw tube clockwise at the end of the collet closer to engage the new collet threads 6 Engage the hub locking pin back into place as shown in Figure 15 remove or replace 5 C collets 8 Installing 5 C Collet To adjust your 5 C collet in the collet closer assembly 1 Choose a 5 C collet that is suitable for the intended stock size to be turned 2 Line up the collet keyway with the collet adapter pin and insert the collet until it stops then gently rotate it for final alignment 3 Gently push on the end of the draw tube until it engages the collet threads in the spindle and rotate the adjusting hub in a clockwise fashion as viewed from the outboard end of the lathe in Figure 8 If the draw tube fails to touch the collet remove the collet and look into the spindle to see if the draw tube is accessible for proper engagement If the collet cannot touch the draw tube when inserted into the spindle see the following section on Rough Adjustment If the collet does reach try again to thread the collet and adapter into the spindle by fol lowing the guidelines in the Tube Assembly sub section of this manual 8 G8143 Collet Closer Rough Adjustment If rough adjustments need to be made to the collet closer assembly 1 In the event that the previous adjustments fail to allow the collet to lock onto th
9. e mater ial or the draw tube fails to touch the collet adjust the adapter hub in or out 2 Loosen the setscrews and turn the hub adapter in a clockwise direction if the draw tube does not contact the back of the collet 3 Turn the hub adapter counter clockwise if the work material cannot be locked by the collet 4 Tighten the setscrews The Model G8143 Collet Closer is adjusted prop erly when the 3 collet locking pawls are tight on the cam and the workpiece will not twist in the collet Again Figure 12 on page 7 shows the proper locked position of the collet locking pawls around the cam QY G8143 Collet Closer Maintenance The Model G8143 Collet Closer is essential ly a maintenance free tool however some things to keep in mind are 1 Make sure that all the components of your collet closer are assembled correctly according to this manual 2 Once the replacement stud and hub adapter are installed they will not need to be removed 3 Ensure that your locking mechanism is work ing properly before you start any projects on your lathe 4 Check the locking stroke for proper place ment of locking pawls on the cams 5 The bearings are non serviceable If you have problems with your bearings you must order a new bearing pack 6 The hub adapter must be removed in order to change gears occasionally 83 Aftermarket Accessories 5 C collets do not come with the Model G4026 Collet C
10. es METALWORKING EQUIPMENT SAFETY INSTRUCTIONS AWARNING For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety symbols is to attract your attention to possible hazardous conditions This manual uses a series of symbols and signal words which are intended to convey the level of importance of the safety messages The progression of symbols is described below Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention measures ADANG E R Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury T Indicates a potentially hazardous situation which if not avoided WAR N NG COULD result in death or serious injury Indicates a potentially hazardous situation which if not avoided ACAUTION MAY result in minor or moderate injury NO TICE This symbol is used to alert the user to useful information about proper operation of the equipment or property damage hazards AWARNING Safety Instructions For Metalworking Machines 1 READ AND UNDERSTAND MACHINE 5 KEEP CHILDREN AND VISITORS OWNERS MANUAL FOR YOUR LATHE AWAY All children and visitors should be kept at a safe distance from work area REMOVE ADJUSTING KEYS AND WRENCHES Form a habit of checking to MAKE WORK SHOP CHILD PROOF with see that keys and adjusting wrenches are padlocks master switches or by removing removed from
11. etscrews 5 Replace the lathe cover and secure the bot tom knob Note You may have to bore out the lathe cover spindle hole to a larger diam eter for the hub adapter to fit through and operate correctly 6 Install the outer half of the hub adapter back into place Figure 4 and install and tighten the cap screws Figure 4 Installing hub adapter Y Pivot Connector To install the pivot connector Remove the pivoting rod connector from the draw tube assembly by removing the 8mm cap screw and threading it onto the replacement stud as shown in Figure 5 Make sure you have replaced the lathe cover This pivot will allow the locking yoke to be secured to the lathe while providing a range of motion to engage the locking mechanism The pivot connector should be secured tightly to the stud and the pivot pin should be in a horizontal position allowing the pivot to move up and down G8143 Collet Closer Figure 5 Pivot connector Y Tube Assembly The draw tube assembly comes attached to the locking yoke and connecting rod Remove the locking yoke and connecting rod by unscrewing the setscrews that connect the locking yoke to the bearing housing To install the draw tube assembly into your lathe 1 Insert the draw tube assembly into the out board spindle as shown in Figure 6 Slide the draw tube assembly all the way into the outboard spindle until it engages around the hub adapter Figure 6 Dra
12. he rod connector is sup plied with jam nuts It may be necessary to remove these nuts to allow for the proper fit of the assembly on some lathes 3 Install the handle to the yoke Note f you have trouble positioning the locking yoke so it is aligned with the draw tube in the next two steps adjust the length of the connecting rod by threading it more or less into the pivot connectors and try again 4 Make sure the locking yoke and the rod con nector are secured to the mounting stud and the pivoting rod connecter Figure 11 Completed collet closer assembly 5 Position the locking yoke back inline with the setscrew holes on the draw tube assembly then secure the setscrews and the jam nuts zz A 7 as shown in Figure 10 6 G8143 Collet Closer AWARNING Make sure proper turning clearance exists between the bearing casing and the locking yoke before operation Serious personal injury or damage to the lathe and collet closer can occur if there is contact Rotate draw tube and check for clearance DO NOT make adjustments remove workpiece or open back cover of lathe while the machine is in motion Y Locking Stroke To adjust the locking stroke on your collet closer 1 Position the locking pawls so they are in the correct position on the cam as shown in Figure 12 rem c a A re Figure 12 Locking pawls in locked position on the cam lobe 2 Secure the 38mm spanne
13. loser However they are available in the current Grizzly Catalog e Model G1238 15 piece collet set ranging in diameters from 16 to 1 Collets are also sold separately in individual sizes Y 18S0 9 181109 67182 G8143 Collet Closer 38143 Collet Closer REF PART PSS01M DESCRIPTION SETSCREW M6 1 X 10 P4026033 SPANNER NUT M30 1 25 W SS P4026009 DOGPOINT SETSCREW M8 1 25 X 38 P4026007 LOCKING YOKE PNO3M P4026034 HEX NUT M8 1 25 SPANNER NUT M30 1 25 P6208 CARTRIDGE BALL BEARING 6208ZZ P4026023 BEARING SUPPORT P4026024 CAM PNO4M HEX NUT M4 0 7 P4026027 KNURLED KNOB M4 0 7 P4026030 COLLET LOCKING PAWL P4026031 PIN P4026029 SPRING P4026026 LOCKING PIN P4026040 SLIDING HUB SLEEVE P4026041 HUB SLEEVE PSS14M P4026043 SET SCREW M8 1 25 X 12 BRASS SUPPORT PIN PFHO7M FLAT HD SCR M5 8 X 10 PSS03M SETSCREW M6 1 X 8 P8143022 FRONT HUB ADAPTER P8143023 DRAW TUBE P4026047 COLLET ADAPTER PIN 3X6 P4026025 PNO9M COLLET ADAPTER HEX NUT M12 1 75 P4026011 HANDLE ROD P4026012 HANDEL P4026018 ROD CONNECTOR P4026017 PIVOT PIN P8143032 STUD P8143033 ROD CONNECTOR P8143034 MOUNTING STUD PSB45M CAP SCREW M8 1 25 X 45 P8143037 HUB ADAPTER SLEEVE PSS60M
14. r nut against the outboard side of the bearing housing and then secure the 30mm spanner nuts against the 38mm spanner nut as shown in Figure 13 Note Be sure that the 30mm spanner with the setscrew is on the outside with the setscrew accessible G8143 Collet Closer 3 The two 30mm spanners define the stroke distance Secure the setscrew in the outer 30mm spanner nut to lock the stroke dis tance 38mm spanner 38mm spanner ex Le 30mm spanners 7 Figure 13 Spanner nut positioning for locking stroke adjustment The mechanism that controls the stroke is depict ed in detail in Figure 14 Hub Locking Pi Lathe Pin Spindle Collet Locking Pawl Adapter Hub Adjusting Hub Figure 14 Stroke adjustment assembly FB 7 Removal of 5 C Collet To remove or replace your 5 C collet in the collet closer assembly 1 Choose a 5 C collet that is suitable for the intended stock size to be turned 2 Disengage the hub locking pin so the flat is turned toward the outer rim of the hub adapter as shown in Figure 15 Pin Disengaged Pin Figure 15 Locking pin positions 3 Rotate the draw tube counter clockwise at the end of the collet closer Figure 16 to unthread the collet A CAUTION The draw tube threads may be sharp To avoid cutting your hands use a clean rag to rotate the draw tube 4 Remove th
15. red clamps or vises to hold work while per forming the machining operation DONOT OVER REACH Keep proper footing and balance at all times MAINTAIN TOOLS AND MACHINERY WITH CARE Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories USE RECOMMENDED ACCESSORIES Consult the owner s manual for recom mended accessories The use of improper accessories may cause risk of injury 16 REDUCE THE RISK OF UNINTENTIONAL STARTING On machines with magnetic contact starting switches there is a risk of starting if the machine is bumped or jarred Always disconnect from power source before adjusting or servicing Make sure switch is in OFF position before reconnecting CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts binding of mov ing parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is dam aged should be properly repaired or replaced NEVER LEAVE MACHINE RUNNING UNATTENDED TURN POWER OFF DO NOT leave machine until it comes to a com plete stop SOME COOLANTS USED FOR MACHIN ING MAY CONTAIN HAZARDOUS CHEMI CALS Read and understand all user infor mation on the coolant container and protect
16. un News __ Model Airplane News What is your annual household income ___ 20 000 30 000 __ 50 001 60 000 __ 80 000 90 000 ___ 30 001 40 000 __ 60 001 70 000 __ 90 000 ___ 40 001 50 000 ___ 70 001 80 000 To which age group do you belong 20 30 __41 50__ 61 70 31 40 _51 60_ 70 Which of the following machines or accessories do you own Check all that apply __ Engine Lathe _ Abrasive Cutoff __ Sheet Metal Machine _ Band Saw Metal __Arc Welder Other __ Band Saw Wood __Oxy Ac Outfit __ Milling Machine __ Air Compressor _ Bench Grinder __Drill Press How many of the machines you checked in Question 7 are Grizzly machines Which of the following tooling and accessories do you own Check all that apply __Milling Vises ___ Collet Closer __ Digital Readout __Indexing Head __ Taper Attachment ___ Tool Post Grinder __ Rotary Table __ Boring Head Other In the space below list three tools you would like Grizzly to carry Of all the mail order metalworking company s you have purchased from how do you rate Grizzly in terms of over all customer satisfaction __ The best __ Above average __ Average _ Below average __ The worst Comments FOLD ALONG DOTTED LINE Industrial Inc GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 2069 FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend Name Street G8143 Collet Closer City TAPE ALONG EDGES PLEASE DO NOT
17. w tube assembly inserted G8143 Collet Closer 2 Place the collet in the collet adapter so the collet threads are exposed out of the back end of the collet adapter as shown in Figure 7 Collet Threads Figure 7 Collet in collet adapter 3 Hold the adjusting hub with your left hand and thread the collet and adapter into the front spindle with your right hand to engage the draw tube as shown in Figure 8 Figure 8 Rotating collet in spindle to engage with adjusting hub 4 Turn the collet 4 to 5 complete revolutions Additional fine adjustments will be covered later QY Locking Yoke To secure the locking yoke to your lathe 1 Align the connecting rod and locking yoke assembly onto the pivoting rod connector and secure them together with the 8mm cap screw as shown in Figure 9 Connecting Pivot Connector M Rod 74 Figure 10 Tightening yoke setscrews 6 Thread the setscrews on both sides of the locking yoke into the holes on both sides of the bearing housing Make sure the setscrews are completely and evenly LA engaged into the holes without being tight 7 The yoke should have no play from side to Locking side but still pivot freely Tighten the jam Yoke nuts Figure 9 Connecting rod and locking yoke 8 The ideal locked position for the collet closer installed on pivot connector is shown in the completed assembly diagram in Figure 11 2 Please note that t
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