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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 INC
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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: • Lead from lead-based paints. • Crystalline silica from bricks, cement, and other masonry products. • Arsenic and chromium from chemically treated lumber. Your risk from these exposures varies, depending on how often you do this type of
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METALWORKING EQUIPMENT SAFETY INSTRUCTIONS 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 accid
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Safety Instructions For Metalworking Tools 9. USE PROPER EXTENSION CORD. Make 16. REDUCE THE RISK OF UNINTENTIONAL sure your extension cord is in good condi- STARTING. On machines with magnetic tion. Conductor size should be in accor- contact starting switches there is a risk of dance with the chart below. The amperage starting if the machine is bumped or jarred. rating should be listed on the motor or tool Always disconnect from power source nameplate. An undersized cord will cause before adjus
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INTRODUCTION Cover Removal Commentary The Model G8143 Collet Closer allows you to Mounting the Model G8143 requires the use of a quickly interchange 5-C collets on your Model few simple tools. G5860 or Model G7958 Metal-Cutting Lathe. The positive-locking handle clamps standard 5-C col- Tools Required: lets safely and securely for precision turning. — Adjustable wrench Grizzly also offers an extensive line of precision- — 3MM hex key ground 5-C collets, ideal for use with the Model — 4MM hex k
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4. Tighten all three setscrews. Hub Separation 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- To install the hub adapter to the outboard eter for the hub adapter to fit through and spindle operate correctly. 1. Remove the hub adapter from the draw tube 6. Install the outer half of the hub adapter back assembly. into place (Figure 4) and install and tighten the cap screws. 2. Unscrew the cap screws, shown in Fi
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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 5. Pivot connector. Tube Assembly Figure 7. Collet in collet adapter. 3. Hold the adjusting hub with your left hand The draw tube assembly comes attached to the and thread the collet and adapter into the locking yoke and connecting rod. Remove the front spindle with your right hand to engage locking yoke and connecting rod by unscrewi
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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 Rod 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 engaged into the holes, without being tight. 7. The yoke
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3. The two 30mm spanners define the stroke distance. Secure the setscrew in the outer 30mm spanner nut to lock the stroke dis- Make sure proper turning clearance exists tance. between the bearing casing and the locking yoke before operation. Serious personal 38mm spanner 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. 30mm
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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 Figure 16. Location to rotate draw tube to turned toward the outer rim of the hub remove or replace 5-C collets. adapter as shown in Figure 15. Pin Disengaged Pin Engaged Installing 5-C Collet To adjust your 5-C collet in the collet closer assembly: 1. Choose a 5-C collet that
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Rough Adjustment Maintenance If rough adjustments need to be made to the collet closer assembly: The Model G8143 Collet Closer is essential- ly a maintenance free tool; however, some 1. In the event that the previous adjustments things to keep in mind are: fail to allow the collet to lock onto the mater- ial or the draw tube fails to touch the collet, 1. Make sure that all the components of your adjust the adapter hub in or out. collet closer are assembled correctly, according to this manual
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-10- G8143 Collet Closer 38 34 18 37 22 21 33 19 36 17 13 16 32 12 20 9 25 24 8 30 7 15 31 6 14 23 4 10 11 5 6 3 2 1 27 28 G8143 Collet Closer 29
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REF PART # DESCRIPTION 1 PSS01M SETSCREW M6-1 X 10 2 P4026033 SPANNER NUT M30-1.25 W/ SS 3 P4026009 DOGPOINT SETSCREW M8-1.25 X 38 4 P4026007 LOCKING YOKE 5 PN03M HEX NUT M8-1.25 6 P4026034 SPANNER NUT M30-1.25 7 P6208 CARTRIDGE BALL BEARING 6208ZZ 8 P4026023 BEARING SUPPORT 9 P4026024 CAM 10 PN04M HEX NUT M4-0.7 11 P4026027 KNURLED KNOB M4-0.7 12 P4026030 COLLET LOCKING PAWL 13 P4026031 PIN 14 P4026029 SPRING 15 P4026026 LOCKING PIN 16 P4026040 SLIDING HUB SLEEVE 17 P4026041 HUB SLEEVE 18 PSS1
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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
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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 produc
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Place Stamp Here FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend: Name_______________________________ G8143 Collet Closer Street_______________________________ City______________State______Zip______ TAPE ALONG EDGES--PLEASE DO NOT STAPLE
