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Grizzly owner manual Model G4791

Models: G4791

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MODEL G4791

12" x 39" LARGE

COMBO LATHE/MILL

OWNER'S MANUAL

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WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

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Grizzly owner manual Model G4791

Contents

Model G4791 Ss ,EAD from Leadbased PAINTS Table of Contents Foreword Functional Overview IntroductionContact Info &m.AVg\Z8dbWdAViZ$BaaIdentification Machine Data Sheet Lathe Other Specifications BVXcZgn cdhZ XVc XVjhZ eZgbVcZci ZVgc\adhh# !,7!93 53%3 %!2.2 02/4%#4/ %. /0%2!4.! -!#.%29 !,7!93 ,/#+ -/,% !3%33 & 53%$ % %&/2% /0%2!4. -!#.%29# 53%3!!2/5.$%$ %84%.3/..#/2$ 2!4%$4&/2/4%-!#.%!-0%2!%2Additional Safety Instructions For Mills Eliminating a Projectile Hazard Additional Safety Instructions for Lathes220V Operation Circuit RequirementsSetup Safety SetupItems Needed for Setup UnpackingInventory Figures Qty Inventory7dai7V\dg8ZciZgEVcZa!cdihdlc Placement Location Clean UpSite Considerations Floor LoadmHjeedgi Placement AssemblyBolting to Concrete Floors Mounting to Shop Floord XVWcZihiVcYhVcYiZaddg#Check Gearbox Oil Using Machine MountsTest Run To test run the machine11. EgZhh iZ bVc edlZg BGC8N hide Wjiidcc# CZjigVa 9hZc\V\ZYFactory adjustments that should be verified Recommended AdjustmentsSpindle Break-In 9H8DCC8IB68=CGDBEDLGMill Operations Operation SafetyBasic Mill Controls Mill HeadCarriage Main Power on Button cVWaZh edlZg id adlidiZbVXcZ#Coarse Downfeed Lever GVhZh dg adlZgh iZhecYaZfjX`an# Carriage Handwheel BdkZh iZ XVggV\Z aZidgg\i#Head Movement Table MovementRotating the Mill Head Elevating the Mill HeadConfiguring Mill V-Belts Setting Mill SpeedCalculating Mill Spindle Speed Cutting Speeds for High Speed Steel HSS Cutting ToolsExample with HSS Cutting Tool Loading & Unloading Mill Tooling Quill DownfeedLoading Tooling With Drawbar To use the downfeed controlsUnloading Tooling With the Drift Key Unloading Tooling With the Drawbar 9H8DCC8IB68=CGDBEDLG JcigZVYiZYgVlWVg¶ijgch# Va\cZY#Basic Lathe Controls Lathe OperationsLathe Head Spindle Back Plate Bdjcih XjX`h VcYMain Power Emergency Button Ijgch Main Power on Button IjgchedlZgONid iZbVXcZ#Tailstock CdiYhXdccZXiiZbVXcZgdbedlZg#Mounting a Chuck or Faceplate Mounting/Removing Chuck or FaceplateAjbWZg# CiZgcVa?Vl Jaw ChuckMiZgcVa?Vl VlXjX`#Removing Jaws from 3-Jaw Chuck Mounting Workpiece in 3-Jaw ChuckTools Needed Qty iZ ldg`eZXZ h XZciZgZY! jaan i\iZc iZVlh#HXgdaaZVg AZVYIgZVY Installing Jaws into 3-Jaw Chuck GZeZVi Steps 4-5 dg Vl VcY c hZfjZcXZ# ™ IZVlhbjhiWZadVYZYchZfjZcXZWZ\c cc\liVl&#Va\cZYhZZ dgVcZmVbeaZ# FaceplateTo mount a workpiece to the faceplate Centers Using a Dead Center in the Spindle9ZVY8ZciZg AViZ9d\ Using a Dead Center in the Tailstock Offsetting TailstockTo set the tailstock offset 39#To align the tailstock Aligning TailstockVbdjcidVXXjgVXnhVXZkZY# Drilling with TailstockIjbW Follow RestHXgZl 7gVhhc\Zg 8jiiZgTo use the steady rest Steady Rest8aVbeHdZ HiZVYnGZhi=ZVYCarriage Cross Slide Table Handwheel Dial Increments ResolutionCompound Slide 8VeHXgZl AdX` AZkZg Iddah Tool PostTo load and use the 4-way tool post GZeZVi dgiZgZbVcc\iddah#Calculating Correct Spindle Speed Setting Lathe SpeedTo configure the lathe V-belts Configuring Lathe V-BeltsIZchdcc\hegc\# HecYaZEjaaZnCExample Setting Feed RateXVc\Z\ZVgh# Idc#ZZYgViZgVc\ZaZkZg# Feed Rate Change LeverTo configure the change gears Configure Change GearsChange Gear a Change Gear B or C Example of Setting Feed RateChange Gear D Half-Nut Lever Threading ControlsThread Dial DgVcY VcY¿ VaaeVhhZh#G1076-52-PC. Clamping Kit, 1⁄2 T-Nut AccessoriesG1070-MT3 Live Center Set H2987-½ Bent Lathe Dog Wjicdihdlc#H7540-Metalworking Kit No H2677-6 Precision Rotary Table H6879-Lathe Operation & Maintenance BookCleaning Protecting MaintenanceSchedule Lubrication Daily Lubrication ProceduresBaaXdajbcVcYaZVYhXgZl# BaaFjaa AZVYhXgZlYgkZhViWVaadaZgh#Lubricant Frequency Qty Checking/Adding Lathe Gearbox Oil ReservoirTo check and add oil to the reservoir Semi-Annual Lubrication To perform the semi-annual procedureAaEaj\ 9gVcEaj\ GZbdkZiZaaeaj\# GZbdkZiZbaaYgkZhnhiZbXdkZg# 7ZkZaZVg cY8VeYjgZhZZ # AdX`HXgZlTo change the oil in the reservoir Changing Lathe Gearbox OilLathe V-Belt Tensioning To adjust the motor V-belt tension=ZmCjih 6YjhibZci7dai EjaaZn 9ZaZXidcTroubleshooting ServiceMotor & Electrical Hnbeidb EdhhWaZ8VjhZ EdhhWaZHdajidc# Lgdc\hoZXdaaZi# # JhZXdggZXiXdaaZidghVc`YVbZiZg# Mill Operation42# Lathe OperationsTo adjust the saddle and table gibs Adjusting GibsTo adjust the compound gib Saddle and Table GibsTo adjust the tailstock gib Adjusting Table BacklashTo adjust the table backlash Tailstock GibReplacing Shear Pins Adjusting Half-NutTo adjust the half-nut HZVgEch 8dccZXic\8daaVgLathe Bearing Preload To adjust the lathe spindle bearing preloadhZZ # AdX` HeVccZgCji LVhZg IVc\9VacYXVidghZije# chiVaa iZ Vl XjX` VcY i\iZc iZ Vlh cidiZXZciZg# HeVccZg Cji$&+Electrical Safety Instructions WiringWiring Overview Main Power Switch Electrical Component Wiring DiagramsPlug 72 72Mill Head Breakdown Description Mill Head Parts ListDownfeed Breakdown Capacitor Cover Mill Motor BreakdownTailstock Breakdown 8dbWdAViZ$Baa Bed BreakdownBed Parts List Change Gear 20T Lathe Head Breakdown Lathe Head Parts List Change Gear Box Breakdown Lathe Motor Breakdown Follow Rest Breakdown Steady Rest BreakdownCompound Slide Breakdown Accessories Breakdown Label Placement Page TTTT 8VgY9ZX` Tttt LZWhiZ TTTT DiZg =dlYYndjaZVgcVWdjijh4 TTTT 6YkZgihZbZci Tttt gZcY8VWcZiBV`Zg IdYVn»h=dbZdlcZg$5342!, .# 0/ /8 %,,.!- 7! EaVXZ HiVbe =ZgZ22!.49 !.$ 2%452.3 #ALL 4ODAYD&ORO! &2%%