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MODEL G0766

22" X 42" VARIABLE-SPEED

WOOD LATHE

OWNER'S MANUAL

(For models manufactured since 11/17)

COPYRIGHT © MARCH, 2015 BY GRIZZLY INDUSTRIAL, INC., REVISED DECEMBER, 2017 (HE)

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

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

#MN17299 PRINTED IN CHINA

V3.12.17

Summary of Contents for G0766

Page 1: ... models manufactured since 11 17 COPYRIGHT MARCH 2015 BY GRIZZLY INDUSTRIAL INC REVISED DECEMBER 2017 HE WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC MN17299 PRINTED IN CHINA V3 12 17 ...

Page 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...

Page 3: ... Inspection 21 Adjusting Headstock 21 Adjusting Tailstock 22 Adjusting Tool Rest 22 Installing Removing Headstock Center 24 Installing Removing Tailstock Center 25 Installing Faceplate 26 Changing Speed Ranges 26 Indexing 28 Spindle Turning 28 Faceplate Turning 30 Outboard Turning 31 Sanding Finishing 32 Selecting Turning Tools 33 SECTION 5 ACCESSORIES 34 SECTION 6 MAINTENANCE 37 Schedule 37 Clean...

Page 4: ...p Before calling make sure you write down the Manufacture Date and Serial Number from the machine ID label see below This information is required for us to provide proper tech support and it helps us determine if updated documenta tion is available for your machine Manufacture Date Serial Number Manual Accuracy We stand behind our machines If you have ques tions or need help contact us with the in...

Page 5: ...f the controls and features shown below to better understand the instructions in this manual Belt Tension Lever Belt Tension Lock Handle Motor Belt Access Cover Faceplate Tool Rest Tailstock Bed Quill Lock Lever Handwheel Spindle RPM Readout Tool Rest Base Lock Lever Tool Rest Lock Handle Spindle Indexing Holes ON OFF Switch Speed Control Knob Quill Spindle Direction Switch ...

Page 6: ...ON OFF Switch w Emergency Stop Button Turns lathe ON and OFF E Belt Tension Lock Handle Locks belt ten sion lever in place F Belt Tension Lever Increases and decreas es amount of tension on belt Figure 1 Headstock controls A B C D E F G Tailstock Lock Lever Secures tailstock in position along bed H Tailstock Handwheel Moves quill toward or away from spindle I Quill Lock Handle Secures quill in pos...

Page 7: ...t allows the headstock spindle to be locked at specific intervals for layout or other auxiliary tasks Offset Turning A turning situation where the center of the workpiece is offset at various stages of the work to produce different shapes Outboard Turning Turning of workpiece with the headstock situated at the far end of the lathe so the work done is not over the bed of the lathe Roughing Out Taki...

Page 8: ...ght 584 lbs Length x Width x Height 69 x 24 x 25 in Electrical Power Requirement 220V Single Phase 60 Hz Full Load Current Rating 16A Minimum Circuit Size 20A Connection Type Cord Plug Power Cord Included Yes Power Cord Length 6 ft Power Cord Gauge 12 AWG Plug Included Yes Included Plug Type NEMA 6 20 Switch Type ON OFF Push Button Switch w Safety Cover Inverter VFD Type Delta VFD M Inverter VFD S...

Page 9: ...ron Stand Cast Iron Base Cast Iron Headstock Cast Iron Tailstock Cast Iron Paint Type Finish Enamel Other Related Information Bed Width 10 in Faceplate Size 6 in Other Specifications Country of Origin China Warranty 1 Year Approximate Assembly Setup Time 1 Hour Serial Number Location ID Label ISO 9001 Factory Yes Certified by a Nationally Recognized Testing Laboratory NRTL No Features Low speed ra...

Page 10: ... 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...

Page 11: ... 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...

Page 12: ...ys allow rotating workpiece to stop on its own Never put hands or another object on workpiece to stop it SAFELY MEASURE WORKPIECE Only measure workpiece after it has stopped Trying to measure a spinning workpiece increases entanglement risk SANDING POLISHING To reduce entanglement risk remove tool rest before sanding Never completely wrap sandpaper around workpiece CHECK WORKPIECE INTEGRITY Verify...

Page 13: ...or 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 For your own safety and protection of property consult an electrician if you are unsure about wiring practices or electrical codes in your area No...

Page 14: ...y extension cord used with this machine must be in good condition and contain a ground wire and matching plug receptacle Additionally it must meet the following size requirements Minimum Gauge Size 12 AWG Maximum Length Shorter is Better 50 ft Figure 4 Typical 6 20 plug and receptacle Grounding Prong Current Carrying Prongs 6 20 PLUG GROUNDED 6 20 RECEPTACLE Grounding Requirements This machine MUS...

Page 15: ...y issues between Grizzly or the shipping agent You MUST have the original pack aging to file a freight claim It is also extremely helpful if you need to return your machine later Unpacking SUFFOCATION HAZARD Keep children and pets away from plastic bags or packing materials shipped with this machine Discard immediately This machine presents serious injury hazards to untrained users Read through th...

Page 16: ...adly replace them or for the sake of expediency replacements can be obtained at your local hardware store After all the parts have been removed from the shipping containers you should have the follow ing items Inventory Figures 5 7 Qty A Lathe Assembly Headstock mounted 1 Tool Rest Base mounted 1 Tailstock mounted 1 Faceplate 6 installed 1 B Stand Legs 2 C Live Center MT 2 1 D Spur Center MT 2 1 E...

Page 17: ...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...

Page 18: ...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 are generally those where the ambient temperature range exceeds 41 104 F the relative humidity range exceed...

Page 19: ...ls 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 optional step If you choose not to do this with your machine we rec ommend placing it on machine mounts as these provi...

Page 20: ... then thread top hex nut back on Do not tighten hex nuts yet Remove supporting block and repeat Steps 5 6 on other leg Figure 14 Machine feet installed 7 Place level on lathe bed and make necessary adjustments so bed is level from side to side and front to back If you are using machine feet adjust top and bottom hex nuts on each leg to level bed then tighten hex nuts to secure these adjustments If...

Page 21: ... direction switch to R and L positions Machine should not start at either position If machine does not start Emergency Stop button safety feature is working correctly Test run is complete If machine does start with Emergency Stop button pushed in immediately dis connect power to machine Emergency Stop button safety feature is not working correctly This safety feature must work properly before proc...

Page 22: ... training To complete a typical operation the operator does the following 1 Examines workpiece to make sure it is suit able for turning No extreme bows knots or cracks should exist 2 Prepares and trims up workpiece with a bandsaw or table saw to make it roughly con centric 3 Installs workpiece between centers or attach es it to faceplate or chuck 4 Adjusts tool rest to 1 8 above workpiece centerli...

Page 23: ...ck Lever Some workpieces are not safe to turn or may require modification before they are safe to turn Before turning inspect all workpieces for the following Workpiece Type This machine is intended for turning natural wood products Never attempt to turn any composite wood materials plastics metal stone or rubber workpieces turning these materials can lead to machine damage or severe injury Foreig...

Page 24: ...he tool rest in position as needed after making these adjustments When adjusting the tool rest position it as close as possible to the workpiece without actually touching it This maximizes support where the cutting occurs and minimizes leverage reducing the risk of injury if a catch occurs Many woodturners typically set the height of the tool rest 1 8 above or below the centerline of the workpiece...

Page 25: ...rge clamping hex nut under neath the tool rest base will require occa sional adjusting to ensure proper clamping pressure of the tool rest assembly to the bed Turn this hex nut in small increments to fine tune the clamping pressure as needed Figure 18 Tool rest controls Tool Rest Tool Rest Lock Handle Tool Rest Base Lock Lever To adjust angle or height of tool rest 1 Loosen tool rest lock handle s...

Page 26: ...t as it falls as shown in Figure 20 Figure 20 Removing the headstock center Knockout Tool Figure 19 Installing center in headstock spindle 4 Make sure center is securely installed by attempting to pull it out by hand a properly installed center will not pull out easily Installing Removing Headstock Center The included spur center installs in the headstock spindle with an MT 2 tapered fit Installin...

Page 27: ...lling center into tailstock quill Quill Quill Lock Handle Handwheel Figure 22 Quill lock handle aligned with quill keyway Quill Lock Handle Quill Keyway 5 Make sure center of quill lock handle is aligned with quill keyway to ensure tailstock center and quill will not freely rotate under load see Figure 22 6 Secure quill in place by re tightening quill lock handle Removing Tailstock Center 1 Loosen...

Page 28: ...ench tighten two set screws along inside diameter of faceplate to secure it to spindle see Figure 23 Changing Speed Ranges The Model G0766 pulley belt configurations pro vide two speed ranges see Figure 24 Note To maximize spindle torque use low spin dle speed range for spindle speeds of 1200 RPM or less Refer to speed recommendations chart in Figure 25 to choose appropriate RPM for your opera tio...

Page 29: ...6 Loosen belt tension lock handle and lower motor 7 Apply downward pressure on belt tension lever to properly tension drive belt then re tighten belt tension lock handle Note When properly tensioned belt should deflect about 1 8 when moderate pressure is applied to belt mid way between upper and lower pulley as shown in Figure 29 8 Replace front belt access cover Figure 28 Speed range belt positio...

Page 30: ...xing configuration Indexing Pin 4 Outer Indexes Faceplate 12 Inner Indexes Spindle Spindle Turning Spindle turning is the operation performed when a workpiece is mounted between the headstock and the tailstock as shown in Figure 32 Figure 32 Typical spindle turning operation To set up a spindle turning operation 1 Find center point of both ends of your workpiece by drawing diagonal lines from corn...

Page 31: ...te during installation 8 Install live center into tailstock quill and tight en quill lock handle to lock quill in position refer to Page 25 for additional instructions 9 Slide tailstock toward workpiece until point of live center touches workpiece center mark then lock tailstock in this position 10 Loosen quill lock handle and rotate tailstock handwheel to push live center into workpiece at least ...

Page 32: ...erienced and knowledgeable lathe users Faceplate Turning Faceplate turning is when a workpiece is mounted to the faceplate which is then mounted to the headstock spindle as shown in Figure 36 This type of turning is usually done with open faced workpieces like bowls or plates Figure 36 Typical faceplate turning operation Mounting Workpiece on Faceplate 1 Mark workpiece center in same manner as des...

Page 33: ...ate turning and is accomplished with the headstock positioned so the faceplate is not directly over the bed allowing a larger turning capacity than the swing specification of the lathe The only way to rotate the headstock on this machine is to remove it from the bed first which can be a heavy and cumbersome task A much simpler alternative to removing the headstock is to remove the tailstock and sl...

Page 34: ...o do so could cause tool to be pulled out of operator s control and ejected at high speed Figure 39 Example of lathe prepared for outboard turning Sanding Finishing After the turning operations are complete the workpiece can be sanded and finished before removing it from the lathe as shown in Figure 40 Figure 40 Typical sanding operation Note Whenever sanding or finishing move tool rest holder out...

Page 35: ... with one side higher than the other usually at an angle of 20 40 Figure 42 Example of a skew chisel Scrapers Typically used where access for other tools is limited such as hollowing oper ations This is a flat double ground tool that comes in a variety of profiles round nose spear point square nose etc to match many different contours Figure 43 Example of a round nose scraper Parting Tools Used fo...

Page 36: ...t some of the options available with this system T21644 16 Sovereign System w Collets T21645 22 Sovereign System w Collets T21648 Sovereign 3 8 Collets T21649 Sovereign 1 2 Collets T21654 1 4 Bowl Gouge T21655 3 8 Bowl Gouge T21656 1 2 Bowl Gouge T21660 3 4 Bowl Gouge Figure 45 Sovereign 16 and 22 handles D3788 Shop Fox 5 pc Lathe Chisel Set With massive high speed steel blades and long ash handle...

Page 37: ...rnal measurements Ideal for physically transferring dimensions from originals Five different sizes allow you to match the best caliper for your shop needs Figure 51 Models H5884 H5887 Pencil Dividers H5884 8 Pencil Divider H5885 10 Pencil Divider H5886 12 Pencil Divider H5887 16 Pencil Divider Transfer precise distances for highly accurate layouts Bisect angles for precise angle mea surements Stee...

Page 38: ...eve decided to create a DVD that would demonstrate the basics of spindle turning so that you too can expand the types of projects you build This trailer shows all of the projects you ll learn to build and the skills you ll learn to master in this essential DVD H7940 3 pc Lathe Scraper Set This set is ideal for bowl turning and detail work Each chisel measures roughly 16 long with 10 ash handles an...

Page 39: ...your machine follow this maintenance schedule and refer to any specific instructions given in this section Ongoing Loose faceplate or mounting bolts Damaged center or tooling Worn or damaged wires Loose machine components Any other unsafe condition Daily Clean off dust buildup Clean and lubricate lathe bed spindle and quill Monthly Belt tension damage or wear Clean out dust buildup from inside bel...

Page 40: ...ace 9 Test repair replace Machine stalls or is underpowered 1 Machine undersized for task Wood 2 Workpiece material not suitable for machine 3 Feed rate cutting speed too fast 4 Belt s slipping 5 Oil grease on belt s 6 Motor wired incorrectly 7 Plug receptacle at fault 8 Motor overheated 9 Pulley slipping on shaft 1 Use sharp chisels reduce feed rate depth of cut 2 Only cut wood ensure moisture is...

Page 41: ...enters are embedded in true center of workpiece 2 Stop lathe and fix interference problem 3 Check clamp levers and tighten if necessary 4 Cut workpiece to correct or use a different workpiece 5 Reduce spindle speed 6 Align belt pulleys 7 Shim stand or adjust feet on stand to remove any wobbling 8 Tighten motor mount bolts 9 Replace belt 10 Replace spindle bearings Chisels grab or dig into workpiec...

Page 42: ...ff spin dle pulleys and through side of headstock 6 Install new belt by performing Step 5 in reverse 7 Apply downward pressure on belt tension lever to properly tension drive belt then re tighten belt tension lock handle Note When properly tensioned belt should deflect about 1 8 when moderate pressure is applied to belt mid way between upper and lower pulley as illustrated in Figure 58 3 Loosen be...

Page 43: ...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...

Page 44: ...022M21A 080307 GND GND GND GND 1 3 7 11 5 9 4 2 6 10 8 12 Spindle Direction Switch KEDU ZH A Both sides shown RC RA M0 M1 M2 M3 M4 M5 GND AFM AC1 10V AVI GND MCM M01 RB MOTOR 3HP 240V Viewed from Rear RPM Readout Board RPM Sensor Headstock Casting Viewed from Front Power Inverter Box Viewed from Rear ON OFF Switch w Emergency Stop KEDU KJD17B 250V 18A U1 V1 W1 W2 U2 V2 Hot Hot Ground 6 20 Plug As ...

Page 45: ...Model G0766 Mfd Since 11 17 43 READ ELECTRICAL SAFETY ON PAGE 41 Wiring Components Figure 59 Inverter box and motor box locations Figure 60 RPM readout display board and control panel wiring ...

Page 46: ...isit our online parts store at www grizzly com to check for availability 34 84 1 7 8 9 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 15 16 17 18 89V2 19 20 21 23 24 25 26 27 28 29 86 30 31 32 33 40 44 47 48 52V2 53 53 54 55V3 56V2 57 58 87 59 60 61V2 62 63 90 91 92 93 94 95 64 65 66 67 68 69 70 71 72 73 74 74 75 76 77 78 79V2 80 81 82 83 41 41 85 46 45 96 97 43 12 2 3 4 5 6 10 11 13 14 49 50 ...

Page 47: ... 8 X 12 70 P0766070 TAILSTOCK LOCK LEVER 13 P0766013 SPINDLE PULLEY COVER 71 P0766071 LEADSCREW 14 P0766014 SET SCREW M8 1 25 X 10 72 P0766072 QUILL 15 P0766015 STRAIN RELIEF PG13 5 TYPE 3 73 P0766073 LIVE CENTER 16 P0766016 SPINDLE PULLEY 74 P0766074 EXT RETAINING RING 19MM 17 P0766017 V BELT 220J6 75 P0766075 TAILSTOCK CLAMP BOLT M18 2 5 X 44 18 P0766018 HEADSTOCK CASTING 76 P0766076 ECCENTRIC B...

Page 48: ...ARD Tie back long hair roll up long sleeves and remove loose clothing jewelry or gloves to prevent getting caught in moving parts VARIABLE SPINDLE SPEED RANGES BELT RPM A B 100 1200 330 3200 A B NOTE To maximize spindle torque use Belt Position B when turning at speeds less than 1200 RPM Spindle Motor INJURY SHOCK HAZARD Disconnect power before adjustments maintenance or service G0766 Machine Labe...

Page 49: ... 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 ...

Page 50: ...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 ...

Page 51: ... 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...

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