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MODEL G4003G
GUNSMITH'S LATHE
OWNER'S MANUAL
COPYRIGHT © MAY, 2007 BY GRIZZLY INDUSTRIAL, INC., REVISED OCTOBER, 2007 (TR)
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#CRTRTS9327 PRINTED IN CHINA
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Table of Contents INTRODUCTION ............................................... 2 SECTION 5: ACCESSORIES ......................... 31 Foreword ........................................................ 2 SECTION 6: MAINTENANCE ......................... 33 Contact Info ................................................... 2 Basic Maintenance ...................................... 33 Machine Data Sheet ...................................... 3 Lubrication ................................................
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INTRODUCTION Foreword Contact Info We are proud to offer the Model G4003G If you have any comments regarding this manual, Gunsmith's Lathe. This machine is part of a grow- please write to us at the address below: ing Grizzly family of fine metalworking machinery. When used according to the guidelines set forth in Grizzly Industrial, Inc. C this manual, you can expect years of trouble-free, /O Technical Documentation Manager enjoyable operation and proof of Grizzly’s com- P.O. Box 2069 mitment
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Machine Data Sheet MACHINE DATA SHEET Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL G4003G GUNSMITH'S BENCH TOP LATHE WITH MODEL G4003G STAND GUNSMITH'S BENCH TOP LATHE WITH STAND Product Dimensions: Weight............................................................................................................................................................ 1213 lbs. Length/Width/Height.........................................................
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Headstock Info Spindle Bore...........................................................................................................................................1-5/8 in. Spindle Size........................................................................................................................................... 3-1/4 in. Spindle Taper.............................................................................................................................................MT#5 No
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Identification N I H J O K L M G P R F S T Q E U D C V B W X A Y Z AA FF CC EE BB DD Figure 1. Model G4003G identification. A. Quick Change Gearbox Levers Q. Compound Rest Handwheel B. Feed Rod Lever R. Tailstock Spindle and Center C. Emergency Stop/RESET Button S. Tailstock Spindle Lock Lever D. POWER START Button T. Tailstock Spindle Handwheel E. Inching/Jog Button U. Back Splash Guard F. Feed Direction Lever V. Tailstock G. Gear and Belt Cover W. Lead Screw H. Spindle Speed Lever (Alpha) X. S
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Additional Safety Instructions for Lathes 1. UNDERSTANDING THE MACHINE: Read 8. PREVENTING A CUTTING TOOL/CHUCK and understand this manual before operat- CRASH: Always release automatic feeds ing machine. after completing a job. 2. CLEANING MACHINE: To avoid entangle- 9. AVOIDING STARTUP INJURIES: Make ment and lacerations, do not clear chips by sure workpiece, cutting tool, and tool post hand. Use a brush, and never clear chips have adequate clearance before starting while the lathe is
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Glossary of Terms The following is a list of common definitions, terms and phrases used throughout this manual as they relate to this lathe and metalworking in general. Become familiar with these terms for assembling, adjusting or operating this machine. Your safety is VERY important to us at Grizzly! Arbor: A machine shaft that supports a cutting Headstock: The major lathe component that tool. houses the spindle and motor drive system to turn the workpiece. Backlash: Wear in a screw or gea
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SECTION 2: CIRCUIT REQUIREMENTS Grounding 220V Single-Phase In the event of an electrical short, grounding reduces the risk of electric shock. The grounding wire in the power cord must be properly connected to the grounding prong on the plug; likewise, the outlet must be properly installed and grounded. Serious personal injury could occur if you All electrical connections must be made in accor- connect the machine to the power source dance with local codes and ordinances. before you have
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SECTION 3: SETUP Setup Safety Items Needed for Setup The following items are needed to complete the This machine presents setup process, but are not included with your serious injury hazards machine: to untrained users. Read through this entire manu- Description Qty al to become familiar with • Fork Lift or Hoist (Rated 2000 lbs.) ............ 1 the controls and opera- • Lifting Straps (Rated 2000 lbs.) ................. 1 tions before starting the • Lifting Hooks (Rated 2000 lbs.) .....
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BB. Cabinet Base Fasteners: Inventory —Hex Bolts M12-1.75 x 40 ........................ 6 —Flat Washers 12mm ............................... 6 — Phillips Head Screws M6-1 x 10 ........... 12 After all the parts have been removed from the — Hex Nuts M6-1 ........................................ 4 boxes, the following items should accompany — Flat Washers 6mm ............................... 12 your machine: Major Components (Figure 3) Qty. B A C A. 6" Three-Jaw Chuck w/Jaws .....................
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Site Considerations Clean Up The unpainted surfaces are coated with a waxy Floor Load oil to prevent corrosion during shipment. Remove Your lathe is a heavy load distributed in a small this protective coating with a solvent cleaner or footprint. Place this machine on concrete floors citrus-based degreaser such as Grizzly’s G7895 only. The floor MUST be level, or the lathe frame Citrus Degreaser. To clean thoroughly, some and ways may distort over time. parts must be removed. Placement L
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Mounting to Shop Cabinet Base Floor Assembly We recommend that you bolt your lathe to the Refer to the Base parts breakdown on Page 61 floor. Because floor materials may vary, floor for a detailed illustration and parts identification mounting hardware is not included. Since this is during the following assembly. a precision machine, it is important to level the machine with a precision level when mounting. To assembly the cabinet base: 1. Prepare the lathe location, and drill the holes
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2. Move the apron toward the right to help bal- Lifting & Moving ance the load, as shown in Figure 8. 3. Position the chip pan on top of the base assembly so that the six lathe mounting holes align with top holes of the cabinets. 4. Un-bolt the lathe from the pallet. 5. Slowly raise the lathe from the pallet, and move it over the cabinet base at your pre- pared location. 6. Position the lathe so that the six M12-1.75 x 40 hex bolts and flat washers can be inserted You will need power liftin
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Test Run & Break-In NOTICE NEVER shift lathe gears when lathe is operating, and make sure both the half-nut Speed Levers lever and the feed lever are disengaged before you start the lathe! Otherwise the lathe will feed the apron into the chuck or tailstock causing severe lathe damage. The purpose of the test run is to make sure the Figure 11. Headstock controls. lathe and its safety features operate correctly. 7. Push the POWER START button, then move To begin the test run & break-in p
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4. Attach a lathe dog to the bar stock from Tailstock Setup Step 1 and mount it between the centers (as shown in Figure 13). The tailstock alignment was set at the factory with the headstock. However, we recommend that you take the time to ensure that the tailstock is aligned to your own desired tolerances. To align the tailstock: 1. Center drill a 6'' long piece of bar stock on both ends. Set it aside for use in Step 4. 2. Make a dead center by turning a shoulder to make a shank. Flip t
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— If the stock is thinner at the tailstock end, 8. Loosen the tailstock lock lever and adjust the the tailstock needs to be moved away from tailstock offset by the amount of the taper the operator by at least the amount of the by turning the adjustment set screw (Figure taper (Figure 15). 16). Turn another 0.010'' off of the stock and check for taper. Repeat as necessary until the desired amount of accuracy is achieved. Adjustment Screw Looking down from above. Figure 15. Adjusting for tai