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MODEL G0750G

12" X 36" GUNSMITH'S LATHE

OWNER'S MANUAL

(For models manufactured since 5/15)

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#BL15669 PRINTED IN CHINA

V2.06.17

Содержание G0750G

Страница 1: ...odels manufactured since 5 15 COPYRIGHT APRIL 2013 BY GRIZZLY INDUSTRIAL INC REVISED JUNE 2017 BL WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC BL15669 PRINTED IN CHINA V2 06 17 ...

Страница 2: ...ng grinding tool integrity and the usage of personal protective equipment The manufacturer will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other repr...

Страница 3: ... 31 Scroll Chuck Clamping 32 Chuck Jaw Reversal 32 4 Jaw Chuck 33 Faceplate 34 Tailstock 35 Positioning Tailstock 35 Using Quill 35 Installing Tooling 35 Removing Tooling 36 Offsetting Tailstock 36 Aligning Tailstock to Spindle Centerline 37 Centers 39 Dead Centers 39 Live Centers 39 Mounting Dead Center in Spindle 39 Removing Center from Spindle 40 Mounting Center in Tailstock 40 Removing Center ...

Страница 4: ...ss Slide Gib 72 Compound Slide Gib 72 Saddle Gib 72 Half Nut Adjustment 73 V Belt Tension Replacement 74 Tensioning V Belts 74 Replacing V Belts 74 Leadscrew Shear Pin Replacement 75 Feed Clutch Adjustment 76 Gap Insert Removal Installation 77 Bearing Preload 78 SECTION 8 WIRING 81 Wiring Safety Instructions 81 Wiring Overview 82 Component Location Index 82 Electrical Cabinet Wiring 83 Electrical ...

Страница 5: ...ted documenta tion is available for your machine Manufacture Date Serial Number Manual Accuracy The Model G0750G 12 x 36 Gunsmith s Lathe features a totally enclosed gearbox for quieter operation smoother performance reduced oil change frequency and longer gear and bearing life We included an outboard spindle spider support and a tailstock with 1 2 square drive lock down for precise alignment of c...

Страница 6: ...ee Page 5 for details Q Chip Tray R Quick Change Gearbox S Headstock Controls see Page 5 for details Serious personal injury could occur if you connect the machine to power before completing the setup process DO NOT connect power until instructed to do so later in this manual Untrained users have an increased risk of seriously injuring themselves with this machine Do not operate this machine until...

Страница 7: ...tes on which thread dial reading to engage the half nut for specific inch thread pitches Headstock Figure 2 Headstock controls B E C D A F G Quick Change Tool Post Allows the opera tor to quickly load and unload tools H Compound Rest Handwheel Moves the tool toward and away from the workpiece at the preset angle of the compound rest I Carriage Lock Secures the carriage in place for greater rigidit...

Страница 8: ...Lock Down Used with a torquewrenchforprecisealignmentofcenters Control Panel Y Emergency Stop RESET Button Stops all machine functions Twist clockwise to reset Z Power Start Enables the spindle motor when the emergency stop button is reset AA Jog Inching Button Starts forward spindle rotation as long as it is pressed AB Power Light Illuminates when emergency stop button is reset Indicates lathe co...

Страница 9: ...s Length x Width x Height 67 x 30 x 30 in Must Ship Upright Yes Carton 2 Type Cardboard Box Content Left Stand Weight 177 lbs Length x Width x Height 30 x 25 x 21 in Must Ship Upright No Carton 3 Type Cardboard Box Content Right Stand Weight 177 lbs Length x Width x Height 30 x 25 x 21 in Must Ship Upright No Electrical Power Requirement 220V Single Phase 60 Hz Prewired Voltage 220V Full Load Curr...

Страница 10: ...in Spindle Length with 3 Jaw Chuck 21 3 4 in Spindle Length with 4 Jaw Chuck 21 1 4 in Spindle Length with Faceplate 18 1 2 in Tailstock Info Tailstock Quill Travel 3 3 4 in Tailstock Taper MT 3 Tailstock Barrel Diameter 1 575 in Threading Info Number of Longitudinal Feeds 32 Range of Longitudinal Feeds 0 0020 0 0548 in rev Number of Cross Feeds 32 Range of Cross Feeds 0 0007 0 0187 in rev Number ...

Страница 11: ... dB ISO 9001 Factory Yes Certified by a Nationally Recognized Testing Laboratory NRTL No Features 1 2 in Tailstock Square Drive Lock Down to Use Torque Wrench for Precise Positioning Min Gun Barrel Length Through Spindle w 4 Jaw Chuck 23 Allowing for Barrel Sticking Out for Threading Removable Bed Gap Quick Change Spindle Speed and Gearbox Controls On Off Reverse Spindle Switch on Carriage LED Wor...

Страница 12: ... proof DANGEROUS ENVIRONMENTS Do not use machinery in areas that are wet cluttered or have poor lighting Operating machinery in these areas greatly increases the risk of accidents and injury MENTAL ALERTNESS REQUIRED Full mental alertness is required for safe operation of machin ery Never operate under the influence of drugs or alcohol when tired or when distracted For Your Own Safety Read Instruc...

Страница 13: ... moving parts or flying debris Make sure they are properly installed undamaged and working correctly BEFORE operating machine FORCING MACHINERY Do not force machine It will do the job safer and better at the rate for which it was designed NEVER STAND ON MACHINE Serious injury may occur if machine is tipped or if the cutting tool is unintentionally contacted STABLE MACHINE Unexpected movement dur i...

Страница 14: ...e starting the lathe CLEARING CHIPS Metal chips can easily cut bare skin even through a piece of cloth Avoid clearing chips by hand or with a rag Use a brush or vacuum to clear metal chips CHUCKS Chucks are very heavy and difficult to grasp which can lead to crushed fingers or hands if mishandled Get assistance when handling chucks to reduce this risk Protect your hands and the precision ground wa...

Страница 15: ...rce To reduce the risk of this haz ard read and understand this document and seek additional training from an experienced chuck user before using a chuck CHUCK CAPACITY Avoid exceeding the capacity of the chuck by clamping an oversized workpiece If the workpiece is too large to safely clamp with the chuck use a faceplate or a larger chuck if pos sible Otherwise the workpiece could be thrown from t...

Страница 16: ...fire may result especially if connected to an undersized circuit To reduce the risk of these hazards avoid over loading the machine during operation and make sure it is connected to a power supply circuit that meets the specified circuit requirements Circuit Requirements for 220V This machine is prewired to operate on a power supply circuit that has a verified ground and meets the following requir...

Страница 17: ...hock The wire with green insulation with or without yellow stripes is the equipment grounding wire If repair or replacement of the power cord or plug is nec essary do not connect the equipment grounding wire to a live current carrying terminal Check with a qualified electrician or service per sonnel if you do not understand these grounding requirements or if you are in doubt about whether the tool...

Страница 18: ...bs each A lifting safety hook rated for at least 2000 lbs Another person for moving machine For Power Connection A power source that meets the minimum cir cuit requirements for this machine review Power Supply on Page 14 for details An electrician or qualified service person nel to ensure a safe and code compliant connection to the power source For Assembly Shop rags Cleaner degreaser see Page 18 ...

Страница 19: ... O Change Gear Set 1 Change Gear 30 tooth 1 Change Gear 54 tooth 1 Change Gear 57 tooth 1 Change Gear 60 tooth 1 Installed 2 Gear 56 tooth 1 Gear 63 tooth 1 Gear 66 tooth 1 Gear 69 tooth 1 Gear 78 tooth 1 Gear 120 127 tooth Installed 1 P Quick Change Tool Holder 1 Q Tapered Spindle Sleeve MT 5 3 1 R Arbor B16 to MT 3 1 S Standard Dead Center MT 3 1 T Carbide Tipped Dead Center MT 3 1 U Live Center...

Страница 20: ...ic paint scraper optional Basic steps for removing rust preventative 1 Put on safety glasses 2 Coat the rust preventative with a liberal amount of cleaner degreaser then let it soak for 5 10 minutes 3 Wipe off the surfaces If your cleaner degreas er is effective the rust preventative will wipe off easily If you have a plastic paint scraper scrape off as much as you can first then wipe off the rest...

Страница 21: ...is manual See below for required space allocation Physical Environment The physical environment where the machine is operated is important for safe operation and lon gevity of machine components For best results operate this machine in a dry environment that is free from excessive moisture hazardous chemi cals airborne abrasives or extreme conditions Extreme conditions for this type of machinery a...

Страница 22: ...fe moving methods are not used during the following steps To reduce the risk of a lifting or dropping injury ask others for help and use powered lifting equipment To assemble the lathe 1 Position the left and right cabinets approxi mately 34 apart in the prepared location 2 Secure the front panel brackets to the cabi nets with four M6 1 x 10 Phillips head screws and 6mm flat washers see Figure 14 ...

Страница 23: ...her attach them to a safety hook see Figure 17 or forklift forks see Figure 18 This will keep the lifting straps away from these critical components and prevent them bending them during lifting Figure 18 Lifting setup for a forklift to keep straps from bending leadscrew and rods Bedway Pedestals Lifting Straps 10 Position the chip pan on top of the cabinet stand and align the six mounting holes wi...

Страница 24: ...fting and reduces vibration that may occur during operation resulting in a machine that runs slightly quieter and feels more solid If the machine will be installed in a commercial or workplace setting or if it is permanently connect ed hardwired to the power supply local codes may require that it be anchored to the floor If not required by any local codes fastening the machine to the floor is an o...

Страница 25: ... proper amount of oil in them before the lathe can be operated Damage caused to the bearings and gears from running the lathe without oil in the reservoirs will not be covered under warranty Refer to the Lubrication section beginning on Page 61 for checking and adding oil GEARBOXES MUST BE FILLED WITH OIL LATHE MAY NOT HAVE OIL INCLUDED Refer to the Lubrication Section in this Manual for Recommend...

Страница 26: ...e personnel Note About Extension Cords Using an incor rectly sized extension cord may decrease the life of electrical components on your machine Refer to Extension Cords on Page 15 for more infor mation Electrocution or fire may occur if machine is ungrounded incorrectly connected to power or connected to an undersized circuit Use an electrician or a qualified service personnel to ensure a safe po...

Страница 27: ... all pre vious preparation steps discussed in this manual have been followed and completed 2 Clear away all tools and objects used during assembly lubrication and preparation 3 Make sure that the chuck and jaws if installed are secure refer to Chuck Installation on Page 30 Note If a chuck is not installed on the lathe you do not need to install one for this test Once assembly is complete test run ...

Страница 28: ... the chuck should turn down and toward the front of the lathe When operating correctly the machine will run smoothly with little or no vibration or rubbing noises Investigate and correct strange or unusual noises or vibrations before operating the machine further Always disconnect the machine from power when investigating or correcting potential problems 9 Push the emergency stop RESET button to t...

Страница 29: ...ure the best possible results from the lathe Step by step instructions for these adjustments can be found on the pages referenced below Factory adjustments that should be verified Tailstock alignment see Page 37 Cross slide and compound slide backlash adjustment see Page 70 Gib adjustments see Page 71 Recommended Adjustments Before subjecting the spindle to operational loads it is essential to com...

Страница 30: ...perations 11 When finished cutting moves the spindle lever to the OFF position then removes the workpiece The purpose of this overview is to provide the nov ice machine operator with a basic understanding of how the machine is used during operation so the machine controls components discussed later in this manual are easier to understand Due to the generic nature of this overview it is not intende...

Страница 31: ... Figure 27 Examples of common devices used during chuck installation and removal Dropping a chuck can result in amputation serious crushing injuries or property dam age Always use a support or protective device to reduce this risk during installation or removal Never use spindle speeds faster than the chuck RPM rating or the safe limits of your workpiece Excessive spindle speeds greatly increase t...

Страница 32: ...apping stud positions on chuck Figure 28 Inserting camlock studs into spindle cam holes INCORRECT CORRECT To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces tapers are clean Even a small amount of lint or debris can affect accuracy The chuck is properly installed when all camlocks are tight the spindle and chuck tapers firmly lock together and...

Страница 33: ...d easily with little interven tion they are not seated together firmly as required Remove chuck re clean mating surfaces carefully and re install If prob lem persists contact our Tech Support To remove chuck 1 DISCONNECT MACHINE FROM POWER 2 Use appropriate lifting support or protective device to protect ways and support chuck refer to Chuck Safety Support Devices section for more details 3 Loosen...

Страница 34: ...r Engagement Poor Grip Unstable Workpiece Shallow Bar Stock Shallow Bar Stock Safer Outside Jaw Use Safer Inside Jaw Use CORRECT CORRECT CORRECT CORRECT INCORRECT INCORRECT INCORRECT INCORRECT Figure 33 Jaw selection and workpiece holding Chuck Jaw Reversal This chuck has 2 piece jaws that consist of a top jaw and a master jaw The top jaw can be removed rotated 180 and re installed in the reverse ...

Страница 35: ...o protect ways refer to Chuck Safety Support Devices section for more details 3 Use chuck key to open each jaw so work piece will fit into spindle opening and lay flat against chuck face and jaw steps 4 With help from another person or a holding device position workpiece so it is centered in chuck 5 Tighten each jaw in small increments After tightening first jaw continue tightening remaining jaws ...

Страница 36: ...ion 3 With help from another person or holding device to support workpiece position it onto faceplate and clamp it in place with a mini mum of three independent clamping devices see below for an example Be sure to take into account rotational and cutting forces that will be applied to work piece when clamping it to faceplate If neces sary use counter weights to balance assem bly and use a dial ind...

Страница 37: ...athe by using the offset tailstock adjustment Also a torque wrench can be used with the tailstock for repeating super accurate vertical alignment Figure 38 Tailstock and quill lock levers in locked position 1 2 Square Drive Lock Down Graduated Dial Increments 0 001 One Full Revolution 0 100 Increments on Quill Inch 0 4 in 0 100 Increments Positioning Tailstock 1 Rotate tailstock lock lever clockwi...

Страница 38: ...s smaller drill chucks drill bits and centers Note If the tooling has an open hole in the end but is too short to be exposed in the drift slot for removal then a screw can be threaded into the end of the tool to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal Otherwise removal of such tool ing may be difficult 1 Use shop rag to hold tool 2 Rot...

Страница 39: ... a dead center To align tailstock to spindle centerline 1 Use precision level to make sure bedway is level from side to side and from front to back If bedway is not level correct this condition before continuing with this procedure refer to Leveling section in this manual 2 Center drill both ends of a piece of round stock then set it aside for use in Step 5 3 Use another piece of round stock to ma...

Страница 40: ...s 8 Use calipers to measure both ends of work piece If test stock is thicker at tailstock end move tailstock toward front of lathe 1 2 the dis tance of taper amount as shown below Move tailstock toward front of lathe 1 2 the amount of taper Looking down from above Figure 45 Adjust tailstock toward the operator If test stock is thinner at tailstock end move tailstock toward back of lathe 1 2 the di...

Страница 41: ... Figure 47 Adapter sleeve and centers Centers Live Centers A live center has bearings that allow the center tip and the workpiece to rotate together it can be installed in the tailstock quill for higher speeds Mounting Dead Center in Spindle 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the spindle bore adapter sleeve and the center making sure that no lin...

Страница 42: ...nough pressure with the tailstock quill to securely mount the workpiece between centers Avoid overtightening the center against the workpiece or it may become difficult to remove later and it will result in excessive friction and heat which may damage the workpiece and center Figure 49 Example photo of using a carbide tipped dead center installed in the tailstock Carbide Tipped Dead Center Removin...

Страница 43: ...e later Also over tightening will result in excessive friction and heat which may damage the workpiece or center The drill chuck attaches to the tailstock quill with the included B16 to MT 3 arbor shown in Figure 52 Matched tapers on the arbor and the inside of the chuck create a semi permanent assembly when properly joined The drill chuck can accept tooling from 1 16 1 2 Figure 52 Chuck component...

Страница 44: ...deflection Note The finger rollers should properly sup port the workpiece along the spindle center line while still allowing it to freely rotate 8 Lock the fingers with the set screws and jam nuts then tighten the clamp knob Note To reduce the effects of friction lubricate the fingers with way oil during operation Figure 54 Workpiece mounted in the steady rest Steady Rest Tools Needed Qty Hex Wren...

Страница 45: ...he fingers with way oil during operation The carriage cross slide and compound rest have locks that can be tightened to provide addi tional rigidity during operation especially during heavy cuts See Figures 56 to identify the locations of the locks for each device Tools Needed Qty Hex Wrench 3mm 1 Hex Wrench 6mm 1 Follow Rest Carriage Slide Locks Figure 55 Follow rest attachment Cap Screws Finger ...

Страница 46: ...2 54mm Tool Needed Qty Wrench 14mm 1 To set the compound rest at a certain angle 1 Loosen the two hex nuts at the base of the compound rest 1 of 2 shown in Figure 57 Figure 57 Compound rest Compound Rest Tool Post Angle Scale Hex Nuts Compound Rest Over extending a cutting tool from the post will increase risk of tool chatter breakage or tool loosening during operation which could cause metal piec...

Страница 47: ... underneath it The shims should be as long and as wide as the cutting tool to properly support it Below are two common methods Move the tailstock center over the cross slide and use a fine ruler to measure the distance from the surface of the cross slide to the tip of the center Adjust the cutting tool height so it is the same distance above the cross slide as the tailstock center Align the tip of...

Страница 48: ... set by hand rotating it and securing in place with two hex nuts The compound rest has an indirect read gradu ated dial with 0 001 0 02mm increments One full revolution of the handwheel moves the slide 0 100 2 54mm Manual Feed Figure 62 Carriage Controls Carriage Handwheel Cross Slide Handwheel Remove spider screws when not in use Always DISCONNECT LATHE FROM POWER when installing removing or adju...

Страница 49: ...or which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that affect cutting speed and they are a good educational resource Also there are a large number of easy to use spindle speed calculators that can be found on the internet These sources will help you take into account the applicable variables in order ...

Страница 50: ...dscrew for threading operations However this section only covers the use of the power feed option for the carriage and cross slide compo nents for non threading operations To learn how to power the carriage for threading operations refer to Threading on Page 53 Power Feed If the feed selection lever and the half nut are engaged at the same time machine damage could occur Even though there is a loc...

Страница 51: ...e sure the spindle is completely stopped BEFORE using the headstock controls to make changes D Feed Selection Lever Changes the power feed to either the cross slide or the carriage When the lever is down and the indent pin is pointing up the cross slide is selected Conversely when the lever is up and the pin is pointing down the carriage is selected In the middle position the apron gears are disen...

Страница 52: ...71 Gearbox dials positioned for 0 0017 in rev N 5 The cross slide is now set up for a power feed rate of 0 0017 in rev 1 Locate the box on the feed rate chart that lists 0 0017 in rev as shown in Figure 70 Figure 70 0 0017 in rev location on feed chart 0 0017 in rev 60T Gear 2 Locate the applicable change gear on the chart in this case it is the 60T gear 3 Install the 60T gear in the upper a posit...

Страница 53: ...hange gears Power Feed Configuration Install either a 60T or 30T gear in the upper a position and mesh it with the 120T gear Gear selection depends upon which feed speed is selected Install another 60T gear in the bottom position and mesh it with the 120T gear Figure 72 Change gear identification 127T Change Gear 120T Change Gear Lower b Gear a row b row Metric Threading Configuration A change gea...

Страница 54: ...ep 11 9 Secure the 60T and 54T gears with the flat washers and cap screws removed earlier 5 While holding the 120T 127T gears loosen the arm support hex nut and slowly let the gears pivot down and away from the upper a position gear as illustrated below Arm Support Hex Nut Gear Support Hex Nut a Position Gear b Position Gear 120T Gear 127T Gear Figure 78 End gear placement Arm Support Figure 77 Ar...

Страница 55: ...et up the lathe for the desired threading operation To set dials for 18 TPI 1 Install the 60T and 54T gears as instructed in the Gear Configuration Example on Page 52 2 Locate 18 TPI on the inch threading chart below Threading Arm Support Hex Nut Gear Support Hex Nut 60T Gear 54T Gear 120T Gear 127T Gear Figure 79 60T 54T gears installed 11 Rotate the 120T gear up against the 60T gear until they m...

Страница 56: ...athe is now setup to cut 18 TPI threads Apron Threading Controls The half nut lever engages the carriage with the leadscrew which moves the carriage and cutting tool along the length of the workpiece for thread ing operations see Figure 82 Important Make sure the feed selection lever is in the disengaged middle position before attempting to engage the half nut Figure 82 Apron threading controls Cr...

Страница 57: ...prevent an apron crash When the first thread cutting pass is complete the operator disengages the carriage from the leadscrew using the half nut lever The operator returns the carriage for the next pass and re engages the half nut using the same thread dial setting to resume the cut in the previous pass Figure 83 Thread dial engaged with the leadscrew Cap Screw Leadscrew Dial Gear Teeth Figure 84 ...

Страница 58: ...gure 87 Any number on dial for threading odd numbered TPI T P I SCALE 32 1 8 1 3 5 7 Table Thread Dial Figure 86 Any mark on dial for threading even numbered TPI Even TPI For threading even numbered TPI use any mark on the thread dial see the example in Figure 86 T P I SCALE 51 2 1 5 3 7 1 3 5 7 Table Thread Dial Figure 88 Thread dial position for any numbered TPI Any Other TPI For threading any o...

Страница 59: ...d accessories may cause machine to malfunction resulting in serious personal injury or machine damage To reduce this risk only install accessories recommended for this machine by Grizzly NOTICE Refer to our website or latest catalog for additional recommended accessories T23962 ISO 68 Moly D Machine Oil 5 gal T23963 ISO 32 Moly D Machine Oil 5 gal Moly D oils are some of the best we ve found for m...

Страница 60: ... ball oilers found on your machine Holds 5 ounces of oil SIZE BODY DIA DRILL DIA OVERALL LENGTH 1 1 8 3 64 11 4 2 3 16 5 64 17 8 3 1 4 7 64 2 4 5 16 1 8 21 8 Figure 96 HSS Ground Center Drill Sets H5930 4 Pc Center Drill Set 60 H5931 4 Pc Center Drill Set 82 Double ended HSS Center Drills are precision ground Each set includes sizes 1 4 H8314 Threading Tool Holder Left Hand H8315 Threading Tool Ho...

Страница 61: ...e Vol 1 Book G4986 Machine Shop Practice Vol 2 Book Karl Hans Moltrecht s two volume work on metal working operations delivers the ultimate teaching and reference tool for basic cutting operations layout work lathe turning drilling operations taper and angle turning and boring work Written to aid the beginner as well as the experienced machinist or engineer Due to their nature books are non return...

Страница 62: ...p Vacuum clean all chips and swarf from bed slides Wipe down all unpainted or machined sur faces with an oiled rag Semi Annually Change the headstock oil Page 61 Annually Change the gearbox oil Page 62 Change the apron oil Page 63 Lubricate end gears Page 65 Check level bedway Page 23 Cleaning Protecting Because of its importance we recommend that the cleaning routine be planned into the workflow ...

Страница 63: ...ock gearing is lubricated by an oil bath that distributes the lubricant with the motion of the gears much like an automotive manual transmis sion Change the oil after the first 2 hours of use then semi annually Checking Oil Level The headstock reservoir has the proper amount of oil when the oil level in the sight glass is approxi mately halfway The oil sight glass is located below the chuck as sho...

Страница 64: ... and re tension the V belts then secure the end gear cover before re connect ing the lathe to power Changing Oil Place a catch pan under the quick change gear box drain plug see Figure 105 Use an 8mm hex wrench to remove the gearbox fill plug see Figure 104 then remove the drain plug and allow the gearbox reservoir to empty Re install the drain plug and add oil until the level is approxi mately ha...

Страница 65: ...east once a year Place a catch pan under the apron drain plug shown in Figure 107 remove the fill plug then use a 6mm hex wrench to remove the drain plug and empty the reservoir Flush the reservoir by pouring a small amount of clean oil into the fill hole and allowing it to drain out the bottom Replace the drain plug add oil as previously described then re install the fill plug Figure 107 Location...

Страница 66: ...machine use and more frequently under heavy use When lubricating ball oilers first clean the outside sur face to remove any dust or grime Push the rub ber or plastic tip of the oil can nozzle against the ball oiler to create a hydraulic seal then pump the oil can once or twice If you see sludge and con taminants coming out of the lubrication area keep pumping the oil can until the oil runs clear W...

Страница 67: ...of dust or debris from the outside environment Lubricating 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover and all the end gears shown in Figure 114 3 Clean the end gears thoroughly with mineral spirits to remove the old grease Use a small brush if necessary to clean between the teeth 4 Clean the shafts and wipe away any grease splatters in the vicinity and on the inside of the end gear ...

Страница 68: ... stretched during the storage period Be sure to place a maintenance note near the power button as a reminder that the belts have been loosened or removed 6 Place a few moisture absorbing desiccant packs inside of the electrical box 7 Cover the lathe and place it in a dry area that is out of direct sunlight and away from haz ardous fumes paint solvents or gas Fumes and sunlight can bleach or discol...

Страница 69: ...ck for broken wires or disconnected corroded connections and repair replace as necessary 10 Test repair replace Motor stalls or is underpowered 1 Belt s slipping 2 Run capacitor at fault 3 Plug receptacle at fault 4 Gearbox at fault 5 Contactor not energized has poor contacts 6 Motor bearings at fault 7 Motor at fault 1 Tension replace belt s ensure pulleys are aligned 2 Test repair replace 3 Test...

Страница 70: ... from tailstock quill 1 Quill is not retracted all the way back into the tailstock 2 Contaminants not removed from taper before inserting into quill 1 Turn the quill handwheel until it forces the tapered tool out of quill 2 Clean the taper and bore then re install tool Cross slide compound rest or carriage feed has sloppy operation 1 Gibs are out of adjustment 2 Handwheel is loose or backlash is h...

Страница 71: ...oose screw on the feed handle 4 Carriage lock is tightened down 5 Chips have loaded up on bedways 6 Bedways are dry and in need of lubrication 7 Gibs are too tight 8 Gears or shear pin broken 1 Adjust gear levers 2 Disengage half nut lever 3 Tighten 4 Check to make sure the carriage lock bolt is fully released 5 Frequently clean away chips that load up during turning operations 6 Lubricate bedways...

Страница 72: ...ing block and leadscrew Tools Needed Qty Hex Wrench 6mm 1 Hex Wrench 5mm 1 Punch Pin 2mm 1 Cross Slide Backlash 1 Feed the cross slide toward the front of the machine until it reaches the end of its travel 2 Remove the cap screw that secures the cross slide leadscrew nut see Figure 115 Compound Slide Backlash 1 Turn the compound slide handwheel counter clockwise several turns 2 Loosen the set scre...

Страница 73: ... then dry and repack them with NLGI 2 grease Re install the bearing cover 5 With your left hand pull the leadscrew toward the tailstock and thread the leadscrew flange bolt back on until it is finger tight and no leadscrew end play exists 6 Hold the leadscrew flange bolt with the 24mm wrench and tighten the set screw until it is snug at the bottom of its bore The cross slide and compound slide on ...

Страница 74: ...lied with a carriage lock on the front right hand side of the slide see Figure 121 This bolt locks the saddle in place for increased rigidity when making face cuts Before making adjustments to the saddle gib make sure that this lock is loose by turning it counterclockwise one full turn IMPORTANT Do not loosen the carriage lock more than a couple of turns or the components inside will come apart Re...

Страница 75: ...ble 6 Hold the set screws in place and tighten the jam nuts Set Screws Gib Half Nut Adjustment The half nut mechanism can be adjusted if it becomes loose from wear The half nut is mount ed in ways with a gib exerting pressure between components to reduce sloppy movement The half nut gib is a flat bar type gib similar to the saddle gib and is tensioned with three set screws Tools Needed Qty Hex Wre...

Страница 76: ...bolts If there is more than 1 4 deflection when each belt is pushed with moderate pres sure loosen the motor mount bolts lower the motor adjust belt tension as required then tighten the bolts 6 Secure the end gear cover Pulley Deflection Pulley Figure 125 Correct timing belt deflection 1 4 Replacing V Belts 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover 3 Loosen the motor mount bolts se...

Страница 77: ... to see if the pin is still stuck in both sides of it If one half of the shear pin has fallen out and the leadscrew shaft can be seen through the pin hole rotate the leadscrew until you see the end of the inner sheared pin Use a 3 16 dowel punch to tap the pin out through the other side If the shear pin halves are stuck in both sides of the drive hub center punch one of the pins and drill an 1 8 h...

Страница 78: ...e clutch slip Doing so will void the warranty and can lead to a non slipping clutch resulting in catastrophic gearbox damage Figure 128 Feed rod clutch Tools Needed Qty Hex Wrench 4mm 1 To adjust the feed rod clutch 1 DISCONNECT LATHE FROM POWER 2 Point the top right dial at N then position the bottom right hand gearbox dial pointer between S and T see Figure 129 This allows the feed rod to move f...

Страница 79: ...ghtly oil a lint free cloth with way oil and rub a thin film into the pores of the freshly cleaned gap surfaces Next place the gap in position on the lathe bed 3 Back off the threaded dowel pin jam nuts until they are flush with the end of the pins and drop the pins into the pin holes in the gap 4 Jostle the gap closer to its final alignment until the pins seat naturally 5 Install and lightly snug...

Страница 80: ...e of Scrap Wood 1 Dial Indicator 1 Hex Wrench 6mm 1 To adjust the preload 1 Run the lathe for 20 minutes on high speed to bring the lathe to a normal temperature 2 DISCONNECT LATHE FROM POWER Figure 133 Outboard spindle cover Outboard Spindle Cover 4 Remove the end gear cover then remove the outboard spindle cover see Figure 133 C B A I II III Alpha Lever Set between B C Numeric Lever Set between ...

Страница 81: ... loose 8 Place a wooden block over the outboard end of the spindle tap it a few times with a small sledge or heavy dead blow hammer Figure 135 Your goal is to slide the spindle forward just enough to introduce spindle end play that you can feel by hand Figure 135 Introducing detectable end play 10 Move the carriage an additional 0 100 toward the headstock While tightening the inner spanner nut roc...

Страница 82: ...s hotter than you can comfortably keep your hand on the pre load is too tight and you must repeat bear ing preload adjustment procedure When repeating the procedure rotate the inner spanner nut a little less during Step 12 in the preceding instructions 12 Tighten the spanner nut an additional 1 16 along its circumference See Figure 138 for the example of this measurement Figure 138 Final spanner n...

Страница 83: ...nt at the time of printing but may not match your machine If you find this to be the case use the wiring diagram inside the motor junction box CAPACITORS INVERTERS Some capacitors and power inverters store an electrical charge for up to 10 minutes after being disconnected from the power source To reduce the risk of being shocked wait at least this long before working on capacitors EXPERIENCING DIF...

Страница 84: ...t Page 83 Power Supply Connection Page 87 Spindle Switch Page 86 Control Panel Page 86 Work Light Page 87 Spindle Motor Page 87 Component Location Index Figure 139 Component location index Spindle Motor Page 85 Electrical Cabinet Page 83 Work Light Page 87 Control Panel Page 86 Spindle Switch Page 86 ...

Страница 85: ...P RESET 95 98 97 JRS4 09 25d FR1 11 13 A 6 96 TC 20 21 110V 20 22 220V 20 23 230V 20 24 240V 20 25 380V 20 26 400V 30 31 110V 32 33 24V A1 A1 A2 A2 L L L N N N U1 N N N L L L L L 0 1 1 PE PE 0 0 1 1 2 U2 U2 U2 Z1 Z1 Z1 Z2 Z2 Z2 10 6 6 10 2 PE PE Z1 U2 U1 PE L N 8 Transformer MTE JBK5 100VATH Relay Contactor Contactor Contactor 2A 110V 110V 2A 5A 24V 24V 5A 8 L L 11 11 1 11 11 2 2 11 3 3 3 4 5 6 5 ...

Страница 86: ... 84 Model G0750G Mfd Since 5 15 READ ELECTRICAL SAFETY ON PAGE 81 Electrical Cabinet Figure 140 Electrical cabinet wiring ...

Страница 87: ...1 Motor Wiring PE Start Capacitor 150MFD 250VAC Run Capacitor 20MFD 450VAC U1 V1 W1 W2 V2 U2 U1 U2 Z1 Motor Ground Figure 141 Spindle motor junction box To Electrical Cabinet Page 83 Figure 142 Start capacitor Figure 143 Run capacitor Run Capacitor Start Capacitor ...

Страница 88: ...A103 10A 660V HUILONG LA103 10A 660V HUILONG LA103 10A 660V X2 X2 X1 X1 HUILONG XD103 110V NO 1 2 4 6 5 3 0 0 0 E STOP BUTTON POWER START ON BUTTON W LIGHT JOG BUTTON POWER LIGHT LA103 110V To Electrical Cabinet Page 83 Figure 144 Control panel wiring Power Start ON Button w Light Jog Button Power Light E Stop Button ...

Страница 89: ...Cabinet Page 83 To Electrical Cabinet Page 83 Other Component Wiring Diagrams LED Work Light Spindle Rotation Switch 1a 1 1b ON OFF Switch KCD1 A 2 8A 250V Light Socket C C NO NO NC NC 4 5 7 6 Hot Hot Ground 6 15 Plug As Recommended 220 VAC G L N 0 1 To Electrical Cabinet Page 83 ...

Страница 90: ... 88 Model G0750G Mfd Since 5 15 Figure 145 Work light wiring Figure 146 Spindle ON OFF rotation switch Other Component Wiring ...

Страница 91: ... 10MM 2 P0750G0002 4 JAW INDEPENDENT CHUCK ASSEMBLY 17 P0750G0017 HEX WRENCH 8MM 2 1 P0750G0002 1 4 JAW INDEPENDENT CHUCK BODY 8 18 P0750G0018 HEX WRENCH 6MM 2 2 P0750G0002 2 4 JAW CHUCK REVERSIBLE JAW 4 PC SET 19 P0750G0019 3 JAW CHUCK WRENCH 3 P0750G0003 FACEPLATE 10 D1 5 20 P0750G0020 CAMLOCK KEY D1 5 4 P0750G0004 BOTTLE FOR OIL 21 P0750G0021 4 JAW CHUCK WRENCH 5 P0750G0005 TOOLBOX 23 P0750G002...

Страница 92: ...23 124 125 126 127 128 129 130 130 131 132 133 134 138 139 140 141 142 143 144 145 146 147 148 137 174 136 135 177 117 117 125 130 130 151 130 129 114 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 167 117 125 168 169 170 171 172 173 117 118 115 114 116 113 Headstock Internal Gears ...

Страница 93: ... ROLLER BEARING HR30211J NSK 118 P0750G0118 CAP SCREW M8 1 25 X 6 156 P0750G0156 SPANNER NUT 119 P0750G0119 GEAR 83T 157 P0750G0157 KEY 5 X 5 X 8 120 P0750G0120 O RING 17 X 2 65 158 P0750G0158 OUTBOARD BEARING COVER GASKET 121 P0750G0121 GEAR SHAFT 159 P0750G0159 KEY 5 X 5 X 8 122 P0750G0122 INT RETAINING RING 47MM 160 P0750G0160 OUTBOARD SPINDLE BEARING COVER 123 P0750G0123 GEAR 40 45T 161 P0750G...

Страница 94: ... 201 202 203 204 205 206 206 207 208 209 210 213 213 213 214 215 216 217 218 219 220 221 222 224 225 226 227 228 229 230 230 232 232 233 233 234 235 236 236 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 234 235 234 212 211 ...

Страница 95: ...HUB PLATE 212 P0750G0212 GEAR 38T 240 P0750G0240 COMPRESSION SPRING 1 X 5 X 16 213 P0750G0213 O RING 11 2 X 2 65 241 P0750G0241 FEED DIRECTION HANDLE HUB 214 P0750G0214 PINION SHAFT 242 P0750G0242 HEADSTOCK OIL DRAIN PLUG 3 8 NPT 215 P0750G0215 KEY 5 X 5 X 8 243 P0750G0243 SET SCREW M6 1 X 10 216 P0750G0216 SHAFT 244 P0750G0244 SET SCREW M6 1 X 8 217 P0750G0217 LOCK COLLAR 245 P0750G0245 END GEAR ...

Страница 96: ...13 313 314 314 315 316 317 317 317 317 317 317 318 318 319 320 321 322 322 323 323 324 325 326 327 328 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 348 348 348 349 350 351 352 353 354 355 355 356 357 358 360 361 362 364 365 366 367 368 369 370 371 330 331 329 333 332 322 317 323 305 372 363 309 359 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 ...

Страница 97: ...750G0364 KEY 5 X 5 X 18 321 P0750G0321 SHAFT 365 P0750G0365 CAP SCREW M6 1 X 16 322 P0750G0322 BEARING COVER GASKET 366 P0750G0366 LWR CHANGE GEAR SHAFT BRACKET 323 P0750G0323 BEARING COVER 367 P0750G0367 GEAR SHAFT BRACKET GASKET 324 P0750G0324 KEY 5 X 5 X 18 368 P0750G0368 OIL SEAL 22 X 35 X 7 325 P0750G0325 FEED ROD SHAFT 369 P0750G0369 LOWER CHANGE GEAR SHAFT 326 P0750G0326 FEED ROD SHAFT BEAR...

Страница 98: ...5 EXT RETAINING RING 55MM 418 P0750G0418 GEAR 78T 406 P0750G0406 GEAR 120T 419 P0750G0419 GEAR 69T 407 P0750G0407 GEAR 127T 420 P0750G0420 GEAR 66T 408 P0750G0408 GEAR 60T 421 P0750G0421 GEAR 63T 409 P0750G0409 KEY 6 X 6 X 18 422 P0750G0422 GEAR 57T 410 P0750G0410 BEARING HOUSING 423 P0750G0423 GEAR 56T 411 P0750G0411 ARM SUPPORT BUSHING 424 P0750G0424 GEAR 54T 412 P0750G0412 PIVOT ARM 425 P0750G0...

Страница 99: ...0 521 522 523 524 525 1 526 527 528 529 530 531 532 536 537 538 539 540 545 547 548 549 550 551 552 553 554 555 556 557 558 559 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 582 583 584 585 586 587 588 589 590 502 526 545 545 553 557 557 524 NOTE Thread Dial Chart Located on Headstock 580 581 ...

Страница 100: ...P SCREW M6 1 X 35 520 P0750G0520 HEX BOLT M5 8 X 20 570 P0750G0570 PLUG 521 P0750G0521 HALF NUT GIB 571 P0750G0571 WORM SHAFT 522 P0750G0522 HEX BOLT M6 1 X 10 572 P0750G0572 CAP SCREW M6 1 X 16 523 P0750G0523 SET SCREW M6 1 X 35 573 P0750G0573 CLUTCH GEAR 63T 524 P0750G0524 HEX NUT M6 1 574 P0750G0574 CLUTCH GEAR 40T 525 P0750G0525 DIAL INDICATOR 575 P0750G0575 COMBO CLUTCH GEAR 30T 525 1 P0750G0...

Страница 101: ...dle 601 602 603 604 604 605 606 607 608 609 610 611 612 613 614 614 615 615 616 616 616 616 617 618 619 620 621 622 622 623 624 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 640 641 642 643 644 645 646 647 648 649 ...

Страница 102: ...EW M5 8 X 16 CONE POINT 612 P0750G0612 PHLP HD SCR M8 1 25 X 12 637 P0750G0637 BACKLASH ADJUSTMENT NUT 613 P0750G0613 SADDLE 638 P0750G0638 CROSS SLIDE HANDWHEEL 614 P0750G0614 SADDLE WIPER W PLATE RIGHT REAR 639 P0750G0639 GRADUATED DIAL 615 P0750G0615 SADDLE WIPER W PLATE LEFT REAR 640 P0750G0640 THRUST BEARING 8102 616 P0750G0616 PHLP HD SCR M5 8 X 10 641 P0750G0641 CAP SCREW M6 1 X 25 617 P075...

Страница 103: ...0750G Mfd Since 5 15 101 Compound Rest Tool Post 701 702 733 703 704 705 706 707 708 708 709 710 711 712 713 714 715 716 717 718 719 720 720 721 722 723 724 725 726 727 728 729 730 731 732 735 736 737 738 734 ...

Страница 104: ...50G0727 COMPOUND REST GIB 709 P0750G0709 HANDWHEEL BRACKET 728 P0750G0728 SET SCREW M6 1 X 8 710 P0750G0710 CAP SCREW M6 1 X 25 729 P0750G0729 SLIDE NUT 711 P0750G0711 GRADUATED DIAL 730 P0750G0730 COMPRESSION SPRING 712 P0750G0712 COMPOUND REST HANDWHEEL 731 P0750G0731 ALIGNMENT PIN 713 P0750G0713 INNER HUB 732 P0750G0732 SET SCREW M10 1 5 X 14 DOG PT 714 P0750G0714 SET SCREW M5 8 X 6 733 P0750G0...

Страница 105: ...P0750G0806 SET SCREW M10 1 5 X 50 822 P0750G0822 LOCK COLLAR 807 P0750G0807 TAILSTOCK LEADSCREW 823 P0750G0823 SHAFT 808 P0750G0808 ROLL PIN 4 X 10 824 P0750G0824 CLAMP SHOE 809 P0750G0809 THRUST BEARING 8101 825 P0750G0825 FLAT WASHER 12MM 810 P0750G0810 HANDWHEEL BRACKET 826 P0750G0826 BASE BLOCK BOLT M12 1 75 X 110 811 P0750G0811 GRADUATED DIAL 827 P0750G0827 TAILSTOCK LEADSCREW NUT 812 P0750G0...

Страница 106: ... 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 917 910 911 912 913 922 913 911 965 966 966 966 967 967 967 968 969 970 971 971A 971 1 964A 964 964 2 964 1 973 972 906 1 906 2 906 3 906 4 906 5 906 6 906 7 906 8 906 9 906 12 906 10 906 11 908 909 918 919 ...

Страница 107: ...8 MOTOR PULLEY 953 P0750G0953 FLANGED SLEEVE 909 P0750G0909 MOTOR BRACKET 954 P0750G0954 CONTROL ROD 910 P0750G0910 HEX BOLT M10 2 5 X 30 955 P0750G0955 SET SCREW M8 1 25 X 10 CONE POINT 911 P0750G0911 ROLL PIN 5 X 25 956 P0750G0956 ROLL PIN 5 X 40 912 P0750G0912 FLAT WASHER 10MM 957 P0750G0957 CLUTCH ASSEMBLY 913 P0750G0913 CAP SCREW M6 1 X 25 958 P0750G0958 COMPRESSION SPRING 914 P0750G0914 GAP ...

Страница 108: ... FINGER KNOB 1005 P0750G1005 SET SCREW M6 1 X 8 1102 P0750G1102 SET SCREW M6 1 X 6 CONE PT 1006 P0750G1006 HEX NUT M6 1 1103 P0750G1103 FINGER ADJUSTMENT SCREW 1007 P0750G1007 HEX BOLT M6 1 X 30 1105 P0750G1105 SET SCREW M6 1 X 8 1008 P0750G1008 SET SCREW M6 1 X 16 DOG PT 1106 P0750G1106 HEX NUT M6 1 1009 P0750G1009 LOWER STEADY REST CASTING 1108 P0750G1108 SET SCREW M6 1 X 16 DOG PT 1010 P0750G10...

Страница 109: ...Model G0750G Mfd Since 5 15 107 Electrical Components 1201 1202 1203 1204 1205 1206 1207 1208 1209 1202 1 1203 1 1215 1216 1216 1 1216 2 1216 3V3 1217 1218 1210 1211 1212 1213 1214 1219 ...

Страница 110: ...10V 1216 P0750G1216 WORK LIGHT ASSY 1205 P0750G1205 CONTACTOR TIANSHUI GSC1 1801 110V 1216 1 P0750G1216 1 WORK LIGHT CORD 22G 2W 24 1206 P0750G1206 CONTACTOR TIANSHUI JZC3 40D 110V 1216 2 P0750G1216 2 CONDUIT 1 2 X 56 1207 P0750G1207 GROUND TERMINAL BLOCK 6T 1216 3V3 P0750G1216 3V3 LED BULB 24V MR16 1W 3 V3 05 15 1208 P0750G1208 TERMINAL BAR 6P 1217 P0750G1217 ELECTRICAL BOX 1209 P0750G1209 TERMIN...

Страница 111: ...AZARD LABEL 1305 P0750G1305 ENTANGLEMENT HAZARD LABEL 1314 P0750G1314 THREAD DIAL CHART 1306 P0750G1306 GLASSES FACESHIELD LABEL 1315 P0750G1315 CARRIAGE LOCK BOLT NOTICE 1307 P0750G1307 READ MANUAL LABEL 1316 P0750G1316 PUTTY TOUCH UP PAINT 1308 P0750G1308 FEED THREAD CHART 1317 P0750G1317 GRIZZLY GREEN TOUCH UP PAINT 1309 P0750G1309 TRAINED OPERATORS NOTICE LABEL 1318 P0750G1318 GRIZZLY COM LABE...

Страница 112: ... 110 Model G0750G Mfd Since 5 15 SECTION 10 APPENDIX Threading Feed Charts ...

Страница 113: ... metalworker ____ 0 2 Years ____ 2 8 Years ____ 8 20 Years ____20 Years 6 How many of your machines or tools are Grizzly ____ 0 2 ____ 3 5 ____ 6 9 ____10 7 Do you think your machine represents a good value _____Yes _____No 8 Would you recommend Grizzly Industrial to a friend _____Yes _____No 9 Would you allow us to use your name as a reference for Grizzly customers in your area Note We never use ...

Страница 114: ...D LINE FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 2069 Place Stamp Here Name_______________________________ Street_______________________________ City______________State______Zip______ Send a Grizzly Catalog to a friend ...

Страница 115: ... shall be tried in the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Number which must be clearly posted on the o...

Страница 116: ......

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