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Grizzly G9249 Owner'S Manual Download Page 70

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g9249  12" x 37" Belt drive gap Bed lathe

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Summary of Contents for G9249

Page 1: ...VE GAP BED LATHE OWNER S Manual Copyright MAY 2008 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 TS10612 printed IN CHINA ...

Page 2: ...PERSONAL PROTECTIVE EQUIPMENT 4HE MANUFACTURER WILL NOT BE HELD LIABLE FOR INJURY OR PROPERTY DAMAGE FROM NEGLIGENCE IMPROPER TRAINING MACHINE MODIFICATIONS OR MISUSE 3OME DUST CREATED BY POWER SANDING SAWING GRINDING DRILLING AND OTHER CONSTRUCTION ACTIVITIES CONTAINS CHEMICALS KNOWN TO THE 3TATE OF ALIFORNIA TO CAUSE CANCER BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM 3OME EXAMPLES OF THESE CHEMICAL...

Page 3: ...RANTY AND RETURNS 89 INTRODUCTION 2 Foreword 2 Contact Info 2 Functional Overview 2 Identification 3 Machine Data Sheet 4 SECTION 1 SAFETY 7 Safety Instructions for Machinery 7 Additional Safety Instructions 9 for Metal Lathes 9 SECTION 2 CIRCUIT REQUIREMENTS 10 220V Operation 10 SECTION 3 SETUP 11 Setup Safety 11 Items Needed for Setup 11 Unpacking 11 Inventory 12 Clean Up 13 Site Considerations ...

Page 4: ...n listed below Grizzly Industrial Inc 1203 Lycoming Mall Circle Muncy PA 17756 Phone 570 546 9663 Fax 800 438 5901 E Mail techsupport grizzly com If you have any comments regarding this manual please write to us at the address below Grizzly Industrial Inc C O Technical Documentation Manager P O Box 2069 Bellingham WA 98227 2069 Email manuals grizzly com Contact Info The metal lathe is used to remo...

Page 5: ...r H 3 Jaw Chuck I Steady Rest J Follow Rest K 4 Way Tool Post L Cross Slide M Compound Slide N Tailstock Quill MT 3 O Quill Lock P Tailstock Lock Q Quill Handwheel R Tailstock S Longitudinal Leadscrew T Feed Rod U Thread Dial V Spindle Direction Lever W Half Nut Lever X Apron Y Feed Change Lever Z Carriage Handwheel Dial AA Cross Slide Handwheel Dial AB Cabinet Stand AC Chip Pan AD Feed Rate Selec...

Page 6: ...rint Length Width 57 x 14 in Shipping Dimensions Carton 1 Type Wood Crate Content Machine Weight 1024 lbs Length Width Height 71 x 29 x 29 in Carton 2 Type Cardboard Content Left Stand Weight 76 lbs Length Width Height 27 x 18 x 14 in Carton 3 Type Cardboard Content Right Stand Weight 58 lbs Length Width Height 27 x 15 x 11 in Electrical Switch Magnetic Switch with Thermal Overload Protection Swit...

Page 7: ... 12 Range Of Spindle Speeds 50 1200 RPM Spindle Type Threaded Spindle Bearings Tapered Roller Tailstock Info Tailstock Travel 3 in Tailstock Taper MT 3 Tailstock Barrel Diameter 1 1 4 in Threading Info No Of Inch Threads 50 Range Of Inch Threads 4 112 TPI Range Of Longitudinal Feeds 0 0047 0 0165 in No Of Longitudinal Feeds 16 No Of Cross Feeds 16 Range Of Cross Feeds 0 0023 0 0082 in rev No Of Me...

Page 8: ... Number Location Front Center Headstock Features Carriage Mounted On Off Control Lever Chip Tray Chuck Safety Guard Full Length Splash Guard Heavy Duty Stand Helical Back Gears Inch Metric Dials Micro Switches Shut Off Machine When Side Door or Top Lid are Opened Precision Hardened and Ground V Bed Threading Dial Uses Tooth Belt to Reduce Vibration and Noise Accessories Included 10 Face Plate 4 Wa...

Page 9: ... 3AFETY 2EAD NSTRUCTION ANUAL EFORE PERATING THIS ACHINE 4HE PURPOSE OF SAFETY SYMBOLS IS TO ATTRACT YOUR ATTENTION TO POSSIBLE HAZARDOUS CONDITIONS 4HIS MANUAL USES A SERIES OF SYMBOLS AND SIGNAL WORDS INTENDED TO CONVEY THE LEVEL OF IMPORTANCE OF THE SAFETY MESSAGES 4HE PROGRESSION OF SYMBOLS IS DESCRIBED BELOW 2EMEMBER THAT SAFETY MESSAGES BY THEMSELVES DO NOT ELIMINATE DANGER AND ARE NOT A SUB...

Page 10: ... chigjXi dch dg ajWg XVi c VcY X Vc c VXXZhhdg Zh 352 5 2 3 2 0 7 2 22 4 9 2 53 29 3AFETY NSTRUCTIONS FOR ACHINERY 2 6 534 93 72 3 BV Z V VW i d X ZX c dg Znh VcY VY_jhi c lgZcX Zh WZ dgZ ijgc c bVX cZgn 2 0 243 2 53 29 8 ZX dg W cY c dg b hVa cZY eVgih Wgd Zc eVgih addhZ Wdaih VcY Vcn di Zg XdcY i dch i Vi bVn beV g bVX cZ deZgVi dc GZeV g dg gZeaVXZ YVbV ZY eVgih WZ dgZ deZgVi dc 53 2 33 2 3 GZ ...

Page 11: ...NS Protect yourself and your investment maintain your lathe in proper working condition Never operate the lathe with damaged or worn parts Perform routine inspections and maintenance promptly when scheduled or as needed 8 MOUNTING WORKPIECE Make sure the workpiece is properly mounted before starting the lathe A workpiece thrown from the machine may severely injure you or a bystander 9 SAFETY CLEAR...

Page 12: ...d wire and plug pin A qualified electrician MUST size cords over 50 feet long to prevent motor damage Figure 2 NEMA 6 15 plug and receptacle SECTION 2 CIRCUIT REQUIREMENTS Serious personal injury could occur if you connect the machine to power before com pleting the setup process DO NOT connect the machine to the power until instructed later in this manual Electrocution or fire could result if mac...

Page 13: ...packaging materials from around your machine and inspect it If you discover the machine is damaged please imme diately call Customer Service at 570 546 9663 for advice Save the containers and all packing materials for possible inspection by the carrier or its agent Otherwise filing a freight claim can be difficult When you are completely satisfied with the condi tion of your shipment inventory the...

Page 14: ...he Stand 6 Hex Nuts M12 1 75 Lathe Stand 6 Phillips Head Screws M6 1 x 10 Center Panel 12 Flat Washers 6mm Center Panel 12 Hex Nuts M6 1 Center Panel 6 E Center Panel 1 F Chip Pan 1 G Tool Box 1 H American Rocker Type Tool Post 1 I Oil Can 1 J Drill Chuck Arbor MT 3 B16 1 K Live Center MT 3 1 L Spindle Sleeve MT 3 MT 5 1 M Dead Centers MT 3 2 N Hex Wrench Set 3 4 5 6 8mm 1 Each O 4 Way Tool Post K...

Page 15: ...p Gasoline and petroleum products have low flash points and can explode or cause fire if used to clean machinery DO NOT use these products to clean the machinery Many cleaning solvents are toxic if inhaled Minimize your risk by only using these products in a well ventilated area G2544 Solvent Cleaner Degreaser A great product for removing the waxy shipping grease from your machine during clean up ...

Page 16: ...op or disable start switch or power connection to prevent unsupervised use Site Considerations Figure 7 Model G9249 working clearances Lathe Assembly Placement The Model G9249 is a heavy machine Serious personal injury may occur ifsafemovingmethodsare not used Get assistance and use power equipment rated for at least 1500 lbs to move the ship ping crate and remove the machine from the crate To ass...

Page 17: ... and in good working condition If the lathe falls or tips over while moving it serious personal injury and property damage could result 7 Prevent damage to the leadscrew feed rod and the spindle direction rod by threading the lifting straps between the bedway and the rods as shown in Figure 11 Figure 11 Lifting the lathe on the cabinet stand assembly 8 With assistance carefully lift the lathe over...

Page 18: ...ounts Using machine mounts shown in Figure 14 gives the advantage of fast leveling and vibration reduc tion The large size of the foot pads distributes the weight of the machine to reduce strain on the floor NOTICE We strongly recommend securing your machine to the floor if it is hardwired to the power source Consult with your electrician to ensure compliance with local codes 11 Review the informa...

Page 19: ... run the machine 1 Make sure you understand the safety instruc tions at the beginning of the manual and that the machine is setup properly 2 Perform all lubrication procedures in the Lubrication subsection on Page 47 3 Make sure the 3 jaw chuck is firmly mounted on the spindle Check the clamps on the back of the chuck as shown in Figure 15 refer to Chuck Faceplate Mounting Removal on Page 22 for d...

Page 20: ...ncy stop button pushed in immediately disconnect power to the machine The emergency stop button safety feature is not working correctly This safety feature must work properly before proceeding with regu lar operations Call Tech Support for help NOTICE Make sure the headstock oil level is correct and all other parts are properly lubricated as outlined in this manual before you start the Test Run Fa...

Page 21: ...un for a minimum of 10 minutes 7 Stop the spindle rotation and allow the spin dle to come to a complete stop 8 Push down on the spindle direction lever to start spindle rotation counterclockwise Let the lathe run for a minimum of 10 minutes 9 Stop the spindle and disconnect the machine from power 10 Repeat Steps 6 8 for each of the spindle speeds 11 Turn the lathe OFF The spindle break in is compl...

Page 22: ...ng Operation Safety Loose hair clothing or jewelry could get caught in machinery and cause serious personal injury Keep these items away from moving parts at all times to reduce this risk To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning any operations Basic Controls Headstock Controls Use Figure 18 and the descriptions below to be...

Page 23: ...e up position E Spindle Direction Lever Starts reverses or stops the spindle rotation and feed rod or leadscrew if engaged F Feed change lever Selects either the car riage or the cross slide to engage with the feed rod when in motion Move the lever down to start the carriage moving along the spindle center line and move the lever up to move the cross slide across the spindle cen ter line G Carriag...

Page 24: ...ck Cradle 1 To remove a chuck or faceplate 1 DISCONNECT LATHE FROM POWER 2 Lay a chuck cradle see Figure 21 or a layer of plywood over the bedways to reduce the risk of injury and to protect the precision ground surfaces of the bedways Figure 21 Simple chuck cradle made from scrap lumber 3 Remove both spindle clamps from behind the chuck or faceplate see Figure 22 4 Move the feed direction lever u...

Page 25: ...ockwise onto the spindle until you feel resistance 5 Rotate the chuck or faceplate counterclock wise a 1 4 turn then quickly rotate it back clockwise to seat the threads Note Attempting to overtighten the chuck or faceplate will make removal difficult and could damage the threads 6 Firmly install both spindle clamps on the back of the chuck or faceplate Note Make sure the spindle clamp tangs prope...

Page 26: ... fits in the chuck hole 3 Close the jaws until they just make contact with the workpiece 4 Turn the chuck by hand to make sure the workpiece makes even contact with all three jaws and is centered as shown in Figure 26 If the workpiece is not centered loosen the jaws and adjust the workpiece If the workpiece is centered fully tighten the jaws Figure 26 Example of workpiece firmly held in the center...

Page 27: ...r off center workpieces Each jaw can be removed from the chuck body and reversed for a wide range of work holding versatility Tools Needed Qty Chuck Key 1 5 Rotate the chuck key clockwise until you see the tip of the scroll gear lead thread just begin to enter the jaw guide as shown in Figure 27 To mount a workpiece on the 4 jaw chuck 1 DISCONNECT LATHE FROM POWER 2 Use a piece of wood to protect ...

Page 28: ...mping it to the faceplate Figure 30 Example of a non cylindrical workpiece mounted on the faceplate Faceplate Non Cylindrical Workpiece Clamp Centers The Model G9249 includes one MT 3 live center and two MT 3 dead centers see Figure 31 The supplied MT 5 MT 3 spindle sleeve fits into the spindle taper to hold an MT 3 center or tool Figure 31 Centers and spindle sleeve Sleeve Dead Centers Live Cente...

Page 29: ...he bar stock into the spindle to avoid damaging the inside surface of the spindle tube Tailstock The tailstock of the Model G9249 can be used to support workpieces with the use of a live rotating or dead stationary center Mount the drill chuck and arbor into the quill to center drill or bore holes The tailstock can also be used for cutting shallow tapers by adjusting the offset Installing a Tapere...

Page 30: ...re 34 Figure 34 Tailstock offset controls Lock Screw Offset Scale Adjustment Screw 1 of 2 Aligning Tailstock The tailstock is aligned with the headstock at the factory We recommend that you take the time to ensure that the tailstock is aligned to your own desired tolerances To align the tailstock with the headstock 1 Using an machinist s precision level on the bedways make sure the lathe is level ...

Page 31: ...in the chuck the point of your center will remain true to the spindle axis or center line Keep in mind that the point will have to be refinished whenever it is removed and re installed in the chuck Figure 36 Tailstock centering dead center 5 Place the live center in the tailstock Figure 37 Round stock mounted between centers Lathe Dog Fabricated Dead Center 7 Turn approximately 0 010 off the diame...

Page 32: ...the workpiece with the spindle then using the tailstock quill feed handwheel to advance the drill bit into the workpiece To set up the tailstock for drilling 1 Lock the tailstock in position then unlock the quill 2 Use the quill feed handwheel to extend the quill about one inch out of the tailstock 3 Insert the drill chuck arbor into the drill chuck see Figure 40 then insert the assembly into the ...

Page 33: ...ver the rear angled rail of the bedway as shown in Figure 42 then re install and tighten the clamp block 4 Loosen the lock knob swing it out of the way then open the steady rest to fit the workpiece inside as shown in Figure 43 then close and secure the top of the steady rest Figure 43 Workpiece positioned inside the steady rest Figure 42 Steady rest controls Adjustment Knob Finger Lock Knob Clamp...

Page 34: ...inst the workpiece in the same manner as those of the steady rest Always lubricate the finger tips with an anti seize grease during operation Figure 44 Follow rest mounted on the saddle Cap Screws Cross Slide Handwheel Dial Increments Resolution Upper Marks 0 002 Lower Marks 0 04mm The cross slide sits directly on the saddle and moves perpendicular to the spindle center line when the handwheel is ...

Page 35: ... tighten the two cap screws to secure the compound slide in position Tool Posts The Model G9249 ships with a standard tool post and a 4 way tool post The advantage of the 4 way tool post is that it can hold four tool holders or tools at one time that can be indexed rotated to the workpiece as needed Tools Needed Qty 4 Way Tool Post Key 1 To load and use the 4 way tool post 1 Loosen the tool post b...

Page 36: ...HANDBOOK for more detailed information Figure 48 Cutting speed table 2 Determine the final diameter in inches for the cut you are about to take Note For this step you will need to aver age out the diameters or work with the finish diameter for your calculations 3 Use the following formula to determine the correct spindle speed RPM for your opera tion Cutting Speed SFM x 4 Diameter of Cut Spindle S...

Page 37: ...hers from ejected workpieces or broken tools Figure 50 V belt positions Spindle V Belt in 3 Position Motor V Belt in B position Belt Tensioning Lever To engage the back gears 1 DISCONNECT LATHE FROM POWER 2 Pull out the lock pin shown in Figure 51 and rotate it 90 so that it stays in the out posi tion Figure 51 Back gear lever and lock pin Lock Pin Back Gear Lever 3 Pull the back gear lever forwar...

Page 38: ...tion lever to turn the spindle OFF then allow the spindle to com pletely stop before making gear changes NOTICE Always make sure the spindle is turned OFF and has come to a complete stop BEFORE changing gearing configurations to avoid the risk of permanently damaging your lathe 3 Make sure the half nut is disengaged from the leadscrew by moving the half nut lever up 4 Move the feed rod leadscrew l...

Page 39: ...most feed rates and inch threading Figure 54 Feed rate selectors Letter Indents Number Indents 3 Refer to the table in Figure 53 and find the value closest to your desired feed rate either in millimeters per revolution top values or in inches per revolution bottom values Note This table is also on the bottom of the label to the left of the feed rate selectors 4 Pull the knob of the feed rate selec...

Page 40: ... gears to the feed rate gearbox F Feed Direction Lever Selects which for ward reverse drive gear will transfer power from the spindle gear to the change gears G Pivot Bracket Provides positioning of the middle change gear so that it correctly mesh es with the top and bottom change gears Tools Needed Qty Hex Wrench 5mm 1 Wrench 16mm 1 Wrench 18mm 1 To re configure the change gears 1 DISCONNECT LATH...

Page 41: ...7T larger middle change gear point the gear flange away from the headstock If the bottom change gear will engage the 120T smaller middle change gear point the gear flange toward the headstock NOTICE For smooth operation and to reduce wear of the change gears always make sure to clean away debris and built up grime then apply a light film of multi purpose gear grease to the gear teeth 10 Swing the ...

Page 42: ...maintain accuracy and consis tency engage the half nut on the same mark on each pass Failure to start on the same number each time may lead to cutting off the thread made in the previous pass 3 Select the RPM you want to use A slower RPM will give you more time to react espe cially if threading over a short distance or threading up to a shoulder 4 Examine the thread charts inch or metric on Page 4...

Page 43: ... 35 33 30 28 26 24 0165 0146 0138 0131 0120 0110 0101 0094 210 185 175 165 150 140 130 120 0082 0073 0069 0065 0060 0055 0050 0047 Figure 60 Metric and additional inch thread chart 8 The thread dial is unnecessary for cutting metric threads Leave the half nut engaged until the threads are complete 9 Set the tool tip perpendicular to the workpiece center it vertically and line up the tool for the i...

Page 44: ...nd ultra precision 8 pc set includes quick change collet chuck 1 4 5 16 3 8 1 2 5 8 3 4 and 1 collets spanner wrench and moulded plastic case 16 pc set includes quick change collet chuck 1 8 3 16 1 4 5 16 3 8 7 16 1 2 9 16 5 8 11 16 3 4 13 16 7 8 15 16 and 1 collets spanner wrench and moulded plastic case H3022 Measurement Tool Set Includes magnetic base 1 dial indicator 001 and 6 dial caliper 001...

Page 45: ...der Glance 7 Pc Insert Turning Tool Sets H5680 5 16 H5682 1 2 H5682 Carbide Inserts Package of 10 Here s a precision set for precision turning These tools have been machined to exacting specifica tions and feature rugged tool steel bodies with black oxide finish They all use the same carbide inserts that are indexable to use all four faces Supplied in a fitted case Figure 68 Glance 7 Pc Insert Tur...

Page 46: ...r and holder The boring bar holds the tool bit at 90 at one end and 45 at the other Comes with a wrench and tool bit Bar size is 3 8 x 4 holder is 2 x uses 1 8 tool bits Figure 72 H5936 2 Pc Knurling Tool Set H5936 2 Pc Knurling Tool Set This 2 piece set includes a x 4 Single Knurling Toolholder and a x 4 Double Knurling Toolholder with Pivoting Head Both have a black oxide finish Figure 73 H2987 ...

Page 47: ...he perfection ist Figure 75 Grizzly Dial Calipers G9849 Magnetic Base Dial Indicator Combo Precision measurements and setups have never been so easy Magnetic base engages with just the turn of a switch and allows pinpoint adjust ment The dial indicator features 0 1 travel and has a resolution of 0 001 This fine set includes a molded case for protection and convenience Figure 76 G9849 Magnetic Base...

Page 48: ...the from power before cleaning Vacuum excess metal chips as they accumu late and wipe off built up grime Cleaning Protecting DO NOT use compressed air to blow away chips from the lathe to avoid the risk of flying metal debris injuring yourself or oth ers or driving the chips deep into the lathe mechanisms resulting in damage or prema ture wear Use a dry cloth to wipe off any remaining coolant at t...

Page 49: ...bearing reservoirs 1 Raise the headstock cover then remove the oil plugs shown in Figure 78 NOTICE Follow reasonable lubrication practices as outlined in this manual for your lathe Failure to do so could lead to premature failure of your lathe and will void the warranty Figure 78 Spindle bearing reservoir oil plugs Oil Plugs 2 Fill both spindle bearing reservoirs with oil until the oil level in th...

Page 50: ...dle Gears Back Gears Spindle Pulley Shaft Set Screw Idler Pulley Shaft Grease Fitting Headstock Gears Lubricant Frequency Qty Multi Purpose Gear Grease Every 8 Hours of Operation Thin Coat Use a brush to apply a thin coat of grease to the gear teeth of the spindle and back gears see Figure 81 Headstock Spindle Pulley Shaft Lubricant Frequency Qty ISO 68 SAE 20W Bearing and Gear Lubricant Every 8 H...

Page 51: ...lubrication points Oil Plug Ball Oilers Feed Rate Gears Lubricant Frequency Qty Multi Purpose Gear Grease Every 40 Hours of Operation As need ed To lubricate the feed rate gears 1 Use a 5mm hex wrench to remove the four cap screws securing the feed rate gearbox cover see Figure 83 Figure 83 Feed rate gearbox cover Cap Screws 2 of 4 Aligning Pins 2 Carefully pull the cover from the machine tak ing ...

Page 52: ...peration One Pump Add one pump from a grease gun to the back gear shaft grease fitting shown in Figure 89 Figure 89 Back gear shaft grease fitting Grease Fitting Ball Oilers Lubricant Frequency Qty ISO 68 SAE 20W Bearing and Gear Lubricant Every 8 Hours of Operation 1 squirt from oil can Wipe clean and lubricate the ball oilers shown in Figures 85 88 To insert the oil depress the ball with the tip...

Page 53: ...oximately 1 2 see Figure 91 EjaaZn 9Z aZXi dc EjaaZn Figure 91 Checking motor V belt tension 4 To adjust the motor V belt tension loosen the jam nuts shown in Figure 92 then adjust the tensioning hex bolt to raise or lower the motor 5 Re check the V belt deflection and when you are satisfied with the setting re tighten the jam nuts Replacing Motor V Belt Tools Needed Qty Hex Wrench 5mm 1 To replac...

Page 54: ...L 3 8 x 5 H9817 B 5 8 x 6 Perfect for lathes table saws bandsaws and other powered tools Smooth running with less vibration than solid belts Power Twist V Belts can be customized in minutes to any size just add or remove sections to fit your needs Carry a Power Twist V Belt in your vehicle for a fix any where solution to broken fan belts Figure 93 V belts and pulleys Idler Pulley Shaft Bearing Cap...

Page 55: ... Test for power in and out on all legs and contactor operation replace if faulty 6 Make sure circuit breaker fuse is sized correctly for machine load replace faulty breaker 7 Correct motor wiring Page 66 8 Make sure all hot lines and grounds are operational and have correct voltage 9 Replace faulty motor ON button 10 Adjust replace 11 Test replace if necessary 12 Troubleshoot wires for internal ex...

Page 56: ...ect properties for your type of machining 2 Re center and properly secure workpiece in chuck or faceplate 3 Correctly set V belts and gearing for your operation Page 51 4 Make sure all hot lines and grounds are operational and have correct voltage 5 Test and replace if necessary 6 Check V belts and re tension replace if necessary Page 51 7 Test power plug and receptacle for good contact and correc...

Page 57: ...ngth is sticking out of tool holder 3 Adjust gibs Page 56 4 Sharpen replace 5 Adjust for proper spindle speed and feed rate Page 34 Cross compound slide or carriage feed has sloppy operation 1 Too much play in gibs 2 Handwheel s loose 3 Too much leadscrew backlash cross slide only 4 Leadscrew mechanism worn or out of adjustment 1 Adjust gibs Page 56 2 Tighten handwheel fasteners 3 Adjust leadscrew...

Page 58: ...ally test the carriage movement and re adjust the set screws if necessary 5 When you are satisfied with the carriage movement re tighten the three hex nuts DO NOT over tighten Tools Needed Qty Standard Screwdriver 1 To adjust the cross slide and compound slide gibs 1 DISCONNECT LATHE FROM POWER 2 Loosen the rear gib adjustment screw a small amount then tighten the front gib adjust ment screw the s...

Page 59: ...Lock 2 Tighten the locking hex nut a 1 4 turn at a time until the tailstock will not move when locked Repeat this step as necessary Cross Slide Backlash Backlash is the amount of play in the handwheel felt when turning the handwheel but before the slide begins to move Note When adjusting backlash keep in mind the goal is to tighten the cross slide leadscrew without causing it to bind Overtightenin...

Page 60: ...the outside of the gap with a dead blow hammer to loosen it then remove the gap from the lathe Spindle Bearing Preload The Model G9249 is shipped from the factory with the spindle bearing preload properly adjusted However if the spindle ever develops enough end play that the workpiece finish suffers you can adjust the bearing preload to remove the end play Adjusting the spindle bearing preload req...

Page 61: ...indle tube as explained in Step 7 to help unload the spindle and break the inner span ner nut loose 7 Place a wooden block over the outboard end of the spindle tube see Figure 103 for an example and hit it soundly with a small sledge or heavy dead blow hammer Note Your goal is slide the spindle forward just enough to introduce spindle end play that you can feel by hand Figure 103 Example of introd...

Page 62: ...e the inner spindle lock nut clockwise an additional 0 13 along its cir cumference See Figure 105 for an example of this measurement Figure 105 Example of final inner spanner nut travel 0 13 Travel 12 Without causing the inner spanner nut to tighten any further install and tighten the outer spanner nut against the inner nut Note Do not overtighten the outer spanner nut because additional preload c...

Page 63: ... align the finger key way with the set screw slide the finger into the rest then tighten the adjustment knob to hold the finger in place To remove install the brass tips 1 Protect the finger and secure it in a vise 2 Place a punch through the top end of the fin ger then use a hammer to tap the brass tip loose from the finger 3 To re install the brass tip turn the finger upside down in the vise pos...

Page 64: ...h 5mm 1 To adjust the half nut guide bar 1 DISCONNECT LATHE FROM POWER 2 Unscrew the cap screw shown in Figure 107 and remove the thread dial assembly 3 Loosen the two set screws shown in Figure 108 one full turn Figure 108 Half nut guide bar set screws Half Nut Set Screws 4 Use the half nut lever to engage the half nut with the leadscrew then rotate the carriage handwheel back and forth Note Duri...

Page 65: ...T Electrocution or fire could result if the machine is not grounded and installed in compliance with electrical codes Compliance MUST be verified by a qualified electrician 4 CIRCUIT REQUIREMENTS You MUST fol low the CIRCUIT REQUIREMENTS section on Page 10 If you are unsure about the wiring codes in your area or you plan to connect your machine to a shared cir cuit consult a qualified electrician ...

Page 66: ...8db CD C8 GY N 7 GY 8db CD C8 7 GY NEMA 6 15 Plug As Recommended C D E F G A C A D E F G B Figure 110 Spindle switch wiring Figure 111 Chuck guard safety switch wiring Figure 112 Change gear door safety switch wiring Figure 109 Electrical cabinet wiring diagram on Page 65 Motor Diagram on Page 66 Control Panel Diagram on Page 66 wiring overview ...

Page 67: ... A A A C8 6 I I I C8 6 6 K 8dciVXidg jX Z 8 M 6 A A A CD 6 I I I CD 6 6 CD C8 I I I DA GZaVn jX Z G IgVch dgbZg jX Z 7 K I8 G 6 jhZ J A A 7 7 7 7 7 7 GY GY 7 7 C C J J K K J K K N N GY GY A A C C J K N N N 7 7 7 7 J K 7 Li g B C D E F G A elect box wiring diagram B Power Page 64 C Motor Page 66 D Chuck guard Safety Switch Page 64 E Change Gear Door Safety Switch Page 64 F Control Panel Page 66 G S...

Page 68: ...XZ Hide 7jiidc Bdidg HiVgi 7jiidc J J K 7 N GY Na GY GY GY K Start Capacitor 200MFD 250VAC Run Capacitor 20MFD 400VAC 7 7 7 7 C G Control Panel Motor Wiring Diagrams control motor wiring diagrams To Electrical Box Page 65 To Electrical Box Page 65 Figure 113 Control panel wiring Figure 114 Motor wiring Control Panel Motor 2HP 220V 60Hz Single Phase ...

Page 69: ...W M6 1 X 20 6 PN03M HEX NUT M8 1 25 22 PRP05M ROLL PIN 5 X 30 7 P9249007 FEED ROD 23 P9249023 SHAFT 8 P9249008 SPINDLE DIRECTION ROD 24 P9249024 BRACKET 9 P9249009 CHIP PAN 25 P9249025 BEARING SLEEVE 10 P9249010 SWITCH COVER 26 PW04M FLAT WASHER 10MM 11 PS14M PHLP HD SCR M6 1 X 12 27 PB31M HEX BOLT M10 1 5 x 40 12 P9249012 ECCENTRIC BRACKET 28 P6003 BALL BEARING 6003ZZ 13 PSS02M SET SCREW M6 1 X 6...

Page 70: ... 68 G9249 12 x 37 Belt Drive Gap Bed Lathe Headstock ...

Page 71: ...25 X 20 69 PRP28M ROLL PIN 5 X 40 104 P9249104 SPINDLE FRONT COVER 70 P9249070 SHAFT 105 P9249105 PAPER WASHER 10MM 71 PRP94M ROLL PIN 5 X 14 106 P9249106 KEY 8 X 14 72 P9249072 HANDLE 107 PK144M KEY 6 X 6 X 16 73 P9249073 KNOB M10 1 5 X 50 108 P9249108 BACK GEAR BUSHING 74 P9249074 HANDLE HUB 109 P9249109 BACK GEAR SHAFT 75 P9249075 MOTOR 2HP 220V 60HZ 1PH 110 P9249110 BACK GEAR 24 58T 75 1 PC200...

Page 72: ...HING 151 P9249151 BRACKET 133 P9249133 SPINDLE BACK COVER 152 PRP03M ROLL PIN 5 X 20 134 PSB11M CAP SCREW M8 1 25 X 16 153 PSB24M CAP SCREW M5 8 X 16 135 P9249135 SPUR GEAR 40T 154 P6202 BALL BEARING 6202ZZ 136 P9249136 SPANNER NUT M45 X 1 5 155 P9249155 SHAFT 137 PSS04M SET SCREW M6 1 X 12 156 PK23M KEY 5 X 5 X 25 138 P9249138 SPUR GEAR 30T 157 PW01M FLAT WASHER 8MM 139 P9249139 BUSHING 158 P9249...

Page 73: ...G9249 12 x 37 Belt Drive Gap Bed Lathe 71 Feed Rate Gearbox ...

Page 74: ...249217 PLUG BASE 260 PN01M HEX NUT M6 1 218 P9249218 PLUG 261 P9249261 OIL PIPE 222 P9249222 BUSHING 262 P9249262 OIL PIPE 223 PSS11M SET SCREW M6 1 X 16 263 PRP03M ROLL PIN 5 X 20 224 P9249224 LOCK COLLAR 20 2 5 X 30 264 PSB31M CAP SCREW M8 1 25 X 25 225 PK144M KEY 6 X 6 X 16 265 P9249265 SHIFTING FORK 226 P9249226 GEAR 24T 266 P9249266 GEAR 24T 227 P51104 THRUST BEARING 51104 267 P9249267 CONNEC...

Page 75: ...G9249 12 x 37 Belt Drive Gap Bed Lathe 73 Apron ...

Page 76: ...W M6 1 X 12 347 P9249347 GRADUATED COLLAR 316 P9249316 HALF NUT M25 348 P9249348 HANDWHEEL 317 P9249317 HALF NUT BRACKET 349 P9249349 HANDLE M8 1 25 X 63 318 P9249318 SPECIAL PIN 350 P9249002 BALL OILER 319 P9249279 STEEL BALL 6MM 351 P9249351 CLUTCH GEAR 320 PSS20M SET SCREW M8 1 25 X 8 352 PR06M EXT RETAINING RING 16MM 321 P9249321 COMPRESSION SPRING 8 X 10 X 1 5 353 P9249353 CLUTCH GEAR 322 P92...

Page 77: ...G9249 12 x 37 Belt Drive Gap Bed Lathe 75 Carriage ...

Page 78: ...CREW M4 7 X 30 416 P9249416 LEADSCREW SEAT M35 452 P9249452 BEARING SEAT 417 PSB30M CAP SCREW M6 1 X 45 453 P9249453 CROSS SLIDE LEADSCREW M15 418 PN09M SPANNER NUT M12 1 75 454 P9249454 COMPOUND SLIDE GIB 419 P9249419 GRADUATED COLLAR 455 PSB76M CAP SCREW M8 1 25 X 18 420 P9249420 COMPRESSION SPRING 5 X 5 X 1 5 456 P9249456 COMPOUND SLIDE BASE 421 P9249279 STEEL BALL 6MM 457 P9249457 COMPOUND SLI...

Page 79: ...B01M CAP SCREW M6 1 X 16 509 P9249509 KNOB M6 1 X 20 527 P9249527 GRADUATED COLLAR 510 P9249510 LEVER 528 P9249528 QUILL HANDWHEEL 511 P9249511 CLAMPING SHAFT 529 P9249529 HANDLE M8 1 25 X 63 512 PSS84M SET SCREW M10 1 5 X 40 530 PW04M FLAT WASHER 10MM 513 P9249513 SPECIAL SCREW 531 PLN05M LOCK NUT M10 1 5 514 P9249514 BALL OILER 532 P9249532 COMPRESSON SPRING 8 X 10 X 1 5 515 P9249515 TAILSTOCK C...

Page 80: ...G 1 X 6 X 22 602 PK14M KEY 5 X 5 X 18 609 P9249609 COVER 603 P9249603 BUSHING 610 PRP45M ROLL PIN 5 X 32 604 P9249604 LEVER BRACKET 611 P9249279 STEEL BALL 6MM 605 PSB26M CAP SCREW M6 1 X 12 612 P9249612 COMPRESSION SPRING 1 X 6 X 9 606 P9249606 HANDLE 613 PSS16M SET SCREW M8 1 25 X 10 607 P9249607 KNOB M10 X 50 614 P9249614 TAPERED SET SCREW M8 1 25 X 12 ...

Page 81: ...TION 651 PSB26M CHANGE GEAR COVER 657 P9249657 LOCKING ROD 652 PSB01M CAP SCREW M6 1 X 16 658 PN13M HEX NUT M16 2 653 P9249653 HINGE 659 P9249659 THREADED SLEEVE 654 P9249654 HINGE SCREW M6 X 10 660 P9249660 KNOB M8 X 32 655 P9249655 BRACKET 661 PRP02M ROLL PIN 3 X 16 656 PSB01M CAP SCREW M6 1 X 16 ...

Page 82: ... 702 PRP02M ROLL PIN 3 X 16 712 P9249712 KNOB 703 P9249703 COLLAR 713 P9249713 LEVER 704 P9249704 ADJUSTING SCREW M8 1 25 X 40 714 PRP05M ROLL PIN 5 X 30 705 P9249705 BUSHING 715 P9249715 STEADY REST BASE 706 P9249706 CLAMPING BLOCK 716 PN09M HEX NUT M12 1 75 707 PSS11M SET SCREW M6 1 X 16 717 PW06M FLAT WASHER 12MM 708 PN01M HEX NUT M6 1 718 P9249718 CLAMP PLATE 709 PSS03M SET SCREW M6 1 X 8 719 ...

Page 83: ...W REST 806 P9249806 CLAMPING BLOCK 801 P9249801 STAR HANDLE M8 1 25 X 30 807 PSS03M SET SCREW M6 1 X 8 802 PRP02M ROLL PIN 3 X 16 808 PSS11M SET SCREW M6 1 X 16 803 P9249803 COLLAR 809 PN01M HEX NUT M6 1 804 P9249704 ADJUSTING SCREW M8 X 40 810 PSB40M CAP SCREW M8 1 25 X 35 805 P9249805 BUSHING 811 P9249811 FOLLOW REST BASE ...

Page 84: ... 82 G9249 12 x 37 Belt Drive Gap Bed Lathe Electrical Cabinet ...

Page 85: ... 220V 936 PN04M HEX NUT M4 7 919 P9249919 OL RELAY JUCHE JR28 25 1 10A 937 PS18M PHLP HD SCR M4 7 X 25 920 P9249920 TRANSFORMER JUCHE JBK5 63 24V 938 PS07M PHLP HD SCR M4 7 X 8 921 P9249921 SPINDLE DIRECTION CABLE 939 PS02M PHLP HD SCR M4 7 X 12 924 P9249924 MICRO SWITCH 940 PSB58M CAP SCREW M8 1 25 X 12 925 P9249925 POWER LAMP 941 P9249941 ELECTRICAL PANEL 925 1 P9249925 1 POWER LAMP BULB 942 P92...

Page 86: ...L BRACKET RIGHT 1003 PS68M PHLP HD SCR M6 1 X 10 1012 P92491012 CABINET RIGHT 1004 P92491004 CENTER PANEL 1013 P92491013 CABINET DOOR LEFT 1005 PW03M FLAT WASHER 6MM 1013 1 P92491013 1 DOOR LATCH 1006 PS68M PHLP HD SCR M6 1 X 10 1014 P92491014 CABINET DOOR RIGHT 1007 P92491007 CHIP PAN 1015 P92491015 CHIP PAN RUBBER GASKET LEFT 1008 PW06M FLAT WASHER 12MM 1016 P92491016 CHIP PAN RUBBER GASKET RIGH...

Page 87: ...DRILL CHUCK ARBOR MT 3 B16 501 P9249501 DEAD CENTER MT 3 1113 P92491113 DRILL CHUCK B16 1100 P92491100 TOOL BOX 1114 P92491114 DRILL CHUCK KEY 1102 P92491102 TOOL POST AMERICAN ROCKER TYPE 1115 P92491115 CHUCK KEY 1103 P92491103 OIL CAN 1116 P92491116 CHANGE GEAR 30T 1104 P92491104 4 WAY TOOL POST KEY 1117 P92491117 CHANGE GEAR 32T 1105 PAW08M HEX WRENCH 8MM 1118 P92491118 CHANGE GEAR 46T 1106 PAW...

Page 88: ...ine again Contact Grizzly at 800 523 4777 or www grizzly com to order new labels REF PART DESCRIPTION REF PART DESCRIPTION 164 P9249164 GEARBOX CHART LABEL 169 P9249169 CHANGE GEAR LABEL 165 P9249165 THREADING CHART LABEL 170 P9249170 MACHINE ID LABEL 166 P9249166 THREADING DIAL CHART LABEL 171 PPAINT 1 GRIZZLY GREEN TOUCH UP PAINT 167 P9249167 SPINDLE SPEED CHART LABEL 172 PPAINT 11 GREY PUTTY TO...

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Page 92: ...IRECT AND 3AVE WITH RIZZLY n 4RUSTED 0ROVEN AND A REAT 6ALUE 2 s 3 52 2 2 s 2 23 3 00 7 4 523 s 2 30 3 7 4 52 6ISIT UR 7EBSITE 4ODAY ND ISCOVER 7HY RIZZLY S 4HE NDUSTRY EADER ALL 4ODAY OR 2 ULL OLOR ATALOG ...

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