Grizzly G4791 owner manual Threading Controls, Half-Nut Lever, Thread Dial

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Threading Controls

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Half-Nut Lever

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Thread Dial

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NOTICE

Use lower spindle speeds (RPM) when threading. A slower RPM will give you more time to engage/disengage the half-nut, especially if threading over a short distance or threading up to a shoulder.

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Contents Model G4791 Ss ,EAD from Leadbased PAINTS Table of Contents Contact Info IntroductionForeword Functional Overview &m.AVg\Z8dbWdAViZ$BaaIdentification Machine Data Sheet Lathe Other Specifications  !,7!93 53%3 %!2.2 02/4%#4/ %. /0%2!4.! -!#.%29 BVXcZgn cdhZ XVc XVjhZ eZgbVcZci ZVgc\adhh# 53%3!!2/5.$%$ %84%.3/..#/2$ 2!4%$4&/2/4%-!#.%!-0%2!%2  !,7!93 ,/#+ -/,% !3%33 & 53%$ % %&/2% /0%2!4. -!#.%29#Additional Safety Instructions For Mills Additional Safety Instructions for Lathes Eliminating a Projectile HazardCircuit Requirements 220V OperationItems Needed for Setup SetupSetup Safety Unpacking7dai7V\dg8ZciZgEVcZa!cdihdlc InventoryInventory Figures Qty Site Considerations Clean UpPlacement Location Floor LoadPlacement Assembly mHjeedgid Mounting to Shop FloorBolting to Concrete Floors XVWcZihiVcYhVcYiZaddg#Test Run Using Machine MountsCheck Gearbox Oil To test run the machineCZjigVa 9hZc\V\ZY 11. EgZhh iZ bVc edlZg BGC8N hide Wjiidcc#Spindle Break-In Recommended AdjustmentsFactory adjustments that should be verified  9H8DCC8IB68=CGDBEDLGBasic Mill Controls Operation SafetyMill Operations Mill HeadCoarse Downfeed Lever GVhZh dg adlZgh iZhecYaZfjX`an# Main Power on Button cVWaZh edlZg id adlidiZbVXcZ#Carriage  Carriage Handwheel BdkZh iZ XVggV\Z aZidgg\i#Rotating the Mill Head Table MovementHead Movement Elevating the Mill HeadCalculating Mill Spindle Speed Setting Mill SpeedConfiguring Mill V-Belts Cutting Speeds for High Speed Steel HSS Cutting ToolsExample with HSS Cutting Tool Loading Tooling With Drawbar Quill DownfeedLoading & Unloading Mill Tooling To use the downfeed controls 9H8DCC8IB68=CGDBEDLG  JcigZVYiZYgVlWVg¶ijgch# Unloading Tooling With the DrawbarUnloading Tooling With the Drift Key Va\cZY#Lathe Head Lathe OperationsBasic Lathe Controls  Spindle Back Plate Bdjcih XjX`h VcYTailstock Main Power on Button IjgchedlZgONid iZbVXcZ#Main Power Emergency Button Ijgch CdiYhXdccZXiiZbVXcZgdbedlZg#AjbWZg# Mounting/Removing Chuck or FaceplateMounting a Chuck or Faceplate MiZgcVa?Vl Jaw ChuckCiZgcVa?Vl VlXjX`#Tools Needed Qty Mounting Workpiece in 3-Jaw ChuckRemoving Jaws from 3-Jaw Chuck  iZ ldg`eZXZ h XZciZgZY! jaan i\iZc iZVlh# GZeZVi Steps 4-5 dg Vl  VcY  c hZfjZcXZ# Installing Jaws into 3-Jaw ChuckHXgdaaZVg AZVYIgZVY ™ IZVlhbjhiWZadVYZYchZfjZcXZWZ\c cc\liVl&#To mount a workpiece to the faceplate FaceplateVa\cZYhZZ dgVcZmVbeaZ# 9ZVY8ZciZg AViZ9d\ Using a Dead Center in the SpindleCenters To set the tailstock offset Offsetting TailstockUsing a Dead Center in the Tailstock 39#Aligning Tailstock To align the tailstockDrilling with Tailstock VbdjcidVXXjgVXnhVXZkZY#HXgZl Follow RestIjbW 7gVhhc\Zg 8jiiZg8aVbeHdZ Steady RestTo use the steady rest HiZVYnGZhi=ZVYCompound Slide Handwheel Dial Increments ResolutionCarriage Cross Slide Table To load and use the 4-way tool post Tool Post8VeHXgZl AdX` AZkZg Iddah  GZeZVi dgiZgZbVcc\iddah#Setting Lathe Speed Calculating Correct Spindle SpeedIZchdcc\hegc\# Configuring Lathe V-BeltsTo configure the lathe V-belts HecYaZEjaaZnCXVc\Z\ZVgh# Setting Feed RateExample Idc# Feed Rate Change Lever ZZYgViZgVc\ZaZkZg#Change Gear a Configure Change GearsTo configure the change gears Change Gear D Example of Setting Feed RateChange Gear B or C Thread Dial Threading ControlsHalf-Nut Lever ¿ VcYDgVcY VaaeVhhZh#G1070-MT3 Live Center Set AccessoriesG1076-52-PC. Clamping Kit, 1⁄2 T-Nut H7540-Metalworking Kit No Wjicdihdlc#H2987-½ Bent Lathe Dog H6879-Lathe Operation & Maintenance Book H2677-6 Precision Rotary TableSchedule MaintenanceCleaning Protecting Daily Lubrication Procedures LubricationAZVYhXgZlYgkZhViWVaadaZgh# BaaXdajbcVcYaZVYhXgZl# BaaFjaaTo check and add oil to the reservoir Checking/Adding Lathe Gearbox Oil ReservoirLubricant Frequency Qty AaEaj\ 9gVcEaj\ To perform the semi-annual procedureSemi-Annual Lubrication  GZbdkZiZaaeaj\#YjgZhZZ # 7ZkZaZVg cY8Ve GZbdkZiZbaaYgkZhnhiZbXdkZg# AdX`HXgZlChanging Lathe Gearbox Oil To change the oil in the reservoir=ZmCjih 6YjhibZci7dai To adjust the motor V-belt tensionLathe V-Belt Tensioning EjaaZn 9ZaZXidcMotor & Electrical ServiceTroubleshooting Hnbeidb EdhhWaZ8VjhZ EdhhWaZHdajidcMill Operation # Lgdc\hoZXdaaZi# # JhZXdggZXiXdaaZidghVc`YVbZiZg#Lathe Operations 42#To adjust the compound gib Adjusting GibsTo adjust the saddle and table gibs Saddle and Table GibsTo adjust the table backlash Adjusting Table BacklashTo adjust the tailstock gib Tailstock GibTo adjust the half-nut Adjusting Half-NutReplacing Shear Pins HZVgEch 8dccZXic\8daaVghZZ # To adjust the lathe spindle bearing preloadLathe Bearing Preload AdX` HeVccZgCji LVhZg IVc\9VacYXVidghZije# HeVccZg Cji$&+  chiVaa iZ Vl XjX` VcY i\iZc iZ Vlh cidiZXZciZg#Wiring Electrical Safety InstructionsWiring Overview Plug Electrical Component Wiring DiagramsMain Power Switch 72 72 Mill Head Breakdown Mill Head Parts List DescriptionDownfeed Breakdown Mill Motor Breakdown Capacitor CoverTailstock Breakdown Bed Breakdown 8dbWdAViZ$BaaBed Parts List Change Gear 20T Lathe Head Breakdown Lathe Head Parts List Change Gear Box Breakdown Lathe Motor Breakdown Steady Rest Breakdown Follow Rest BreakdownCompound Slide Breakdown Accessories Breakdown Label Placement Page 8VWcZiBV`Zg =dlYYndjaZVgcVWdjijh4 TTTT 6YkZgihZbZci  Tttt gZcYTTTT 8VgY9ZX`  Tttt LZWhiZ TTTT DiZg IdYVn»h=dbZdlcZgEaVXZ HiVbe =ZgZ $5342!, .# 0/ /8  %,,.!- 7! 22!.49 !.$ 2%452.3 #ALL 4ODAYD&ORO! &2%%