NOVA 46300C Use and Care Manual
Contents
1. 8 opum Up 1 9 ROGITO MO INIT D UU Tur 9 Lathe Stand Recommendations 9 Assembling the Nova Comet Wood nnns 10 pM Ei ci e piscina nascent 11 fave chic UU ee T 12 Connecting the Comet Wood Lathe to a Power Source cccsscccceeeesseceeeseesseeeeeeaeseceeeeeaneeeess 12 Using the Nova Comet Il Wood Lathe sese nnn nnne nnns 13 Bore uiis TIS 14 deg t ie T NER T 14 LIO BEILTSSIBOIR ue onbitiei adt b i TERR EIU DIO UNIS IN UMNE FRE ID iaa 14 gi cvcie eT M M AT HH e nmm 15 eee dee TITRE 15 e Or 16 Id 16 RET2. eee 17 Adjusting the Tailstock for Turning Between Centers cccccccccceecesessseceeeeeeeseeeeeeeeeeesssseaeeeeeeeess um UC sek PB ET 18 improving the Perlormance or your Lathe ksexcamuanioceliameawwus 18 E paolo cent ate E go ee neg ese eae 18 Maintaining the Nova Comet Wood Lathe ccccccccccsssseeeceeeeeeceeeeeeeeeeeeesseaeeeeeeeeeesesaeeaeeseeeeeeeeaas 19 Br ee eee 19 Wioiecuiesgeeiit HOT DOO 19 ct 20 Cleaning the TailstoCck isses nnne nennen nnn nnnnnnnnn nnn nnns sss nna nnns nnns snas anna 20 dy sit PT 20 Belt Replacement Procedure ccccccccesssseececseeeececesaeeeceeeeeeueeeeeseeeaeeeessseaseeeessaaaeeesessaageeeesssaaeeeess 21 TrOUDIES NOO UN UU O ampere fewer Aer er ener en a eee 24 Troubleshooting Guide Continued cccccccsseeeceeecaeeseceeeeaeeeeeeeeeeeeeeeeeesseeseeeesseaeeeeesseaeeeeeessaeseeeeeaas 25 Nova Comet II Wood Lathe Exploded VieW ccccccccssseeeeeeeaeseeeeeeeeeeseeeeesaeeeeeessaeseeeeesseaseeeesssaeeeees 26 Nova Comet II Wood Lathe Parts List 2 0 00 27 Comet ll
3. Join Area Between Beds Do not use a metal hammer to pound on the Bed Extension This may damage the bed affect accuracy and tailstock action In addition it may prevent you from adding another Bed Extension Move the tailstock until it is on top of the area where the Bed Extension face meets the Lathe Bed face see illustration The Bed Extension may need to be manipulated up down or sideways in order for the tailstock to fit With the Lathe Bed and Bed Extension in alignment tighten the Tailstock Locking Handle down in its current position Tighten the two M10 cap screws that were previously installed Check to ensure that the Tailstock moves freely over the mating joint and also over the full length of the add on Bed Extension If there is a ridge between the two mating surfaces repeat steps 1 5 again Connecting the Comet Il Wood Lathe to a Power Source The electric motor switch cord and controllers are supplied with the Comet II Wood Lathe The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with local electrical codes The power cord should be a 3 wire with a grounding conductor and a grounding pin Warning Improper connection of the motor can result in a risk of electrical shock If it is necessary to use an extension cord the cord should be grounded Use the correct wire size for the extension cord for a given cord length to avoid power loss an
4. 11 46010 Drive Belt 46003 Motor Mount Plate 13 Hex Countersunk K0616 Screw M6X16 15 Grub Screw M6X12 Fwa 8mmFlt Washer FW8 18 8mm Spring Washer C06015 Hex Cap Screw M6X15 20 46006 Spindle 600522 Spindle Bearings 6005 Headstock Bearing Retaining Circlip 46004 Spindle Pulley 46013 Spindle Index Wheel 60620 Hex Cap Screw M6X20 4 26 NO Spindle Bearing Retaining Circlip Spindle Hand wheel LHB 46011 46012 Index Pin Housing 1 30 TP0412 4x12mm Tension Pin 1 31 46014 Index Pin Spring 1 3 46043 Index Pin Knob 118 0717 005 2 MPB0408 M4x8 Pan Head screw 46027 Tool Slide 46026 Tool Slide Camshaft Circlip 46028 Tool Slide Camshaft Tool Slide Camshaft Bushing 46029 Tool Slide Cam 46030 Tool Slide Lock Plate NN10 M10 Nyloc Nut 46017 Tailstock 46019 Tailstock Quili Screw 46021 Tailstock Hand wheel se EC12 46035 46020 Tailstock Hand wheel 1 Handle Tailstock Hand wheel Handle Screw 46023 Tailstock Lock Plate NH10 M10 Nut 46022 Tailstock Lock Handle Tailstock Quill Lock Handle 46024 Tailstock Quill Lock Handle Insert 46016 46040 Motor Controller STPB0412 Motor Controller Pan Head Screw 10606 M6x6 Grub screw 46025 118 0717 005 28 Comet Il Wood Lathe Accessories Add On Bed Extension 47001 Extend the bed of your Nova Comet II Wood Lathe for greater capacity between centers One additional bed e
5. Nova Comet Il Wood Lathe INTERNATIONAL Publication No 118 0717 005 Updated 17 July 2013 Patent Application 593 446 118 0717 005 IWOANVA NOILONYLSNI NOVA Comet Wood Lathe Features ata Glance Add On Bed Extension System A lathe that meets your woodturning needs your workshop space or your budget Each bed extension is 24 6 625mm in length This feature is appealing for many different reasons As acompact lathe standard configuration it is great for small turning s in small workshop spaces It can also be used as an extended bed lathe for those wanting to turn longer pieces One additional bed extension increases the length to 41 1 1044mm Speed Range The Nova Comet II Wood Lathe has a 3 step Electronic Variable Speed range One of the best in the industry for mini lathe work Low range slower speeds from 250 RPM up to 680 RPM for larger spindle and bowl work Medium range from 530 RPM up to 1420 RPM for smaller items such as Pen work Fast range from 1380 RPM up to 4000 RPM for miniature turning work Most other mini lathes do not have this fast speed range for true miniature work Electronic Variable Speed allows you to quickly dial in the correct speed for the job material and conditions In addition you re not limited to potentially dangerous fixed speed steps Reverse Option The Nova Comet II Wood Lathe has the capability at the flick of a switch to chan
6. 2 To remove the Quill hold the Quill in one hand while rotating the Hand wheel with the other hand until the Quill is free of the internal thread Access hole to grubscrew 3 Remove the 6mm grub screw from the Tailstock Hand wheel 4 Remove the Hand wheel and internal threaded shaft from the Tailstock IE Handwheel Body 5 Wipe clean all parts including the inside of the Tailstock 6 Lubricate the Quill and Tailstock Quill Slot with a light weight oil and apply a small amount of grease to the Quill Threads 7 Heassemble Maintenance of the Motor Keep the motor free of saw dust and wood chips especially around the fan housing Periodically check for any abnormal noise or excessive heat The Motor Brushes should be checked every five years and replaced when the brush length is less than 6mm 1 4 For motor or electronic problems the machine should be taken to the nearest Teknatool Service Center See the contact details at the front of this manual In the USA contact our Teknatool Service Center at 1 866 748 3025 118 0717 005 20 Belt Replacement Procedure Note the belt used on the Comet II lathe is a Poly vee belt Bearing 1 Circlip 1 Spindle EndA Pulley 2 Pulley 1 4 FY T Not CAE le Overview Pulley 2 Grub Screw nu LL A t rx Y ELA Spindle Belt AWW SS ALL f 1 Remove all accessories handwheels
7. Any damaged part s should be properly repaired or replaced DRUGS ALCOHOL OR MEDICATION Do not operate the tool while under the influence of drugs alcohol or any medication s DUST WARNING The dust generated by certain woods and wood products can be hazardous to your health Always operate machinery in well ventilated areas and provide for proper dust removal Use wood dust collection systems and approved dust masks whenever possible Extreme care must be taken when handling the spindle threads The spindle threads are very sharp and should not be used to lift the lathe to stop or manually rotate the spindle 118 0717 005 ADDITIONAL SAFETY RULES FOR WOOD LATHES Warning Failure to follow these rules may result in serious personal injury REMOVE ACCESSORIES WHEN NOT IN USE When Versaturn accessories are not in direct use they should be removed from the lathe to prevent accidental contact BEWARE OF ATTACHMENTS IN OPERATION Care must be taken to not accidently come in contact with the accessory attachments as it will be powered whenever the spindle is rotating DO NOT MODIFY OR USE THE LATHE FOR USES OTHER THAN FOR WHICH IT WAS INTENDED OR DESIGNED SEEK INSTRUCTION If you are not thoroughly familiar with the operation of wood lathes obtain advice from your supervisor instructor or other qualified person Instruction from a qualified person is strongly recommended DO NOT OPERATE LATHE unt
8. Important Note 17 18 19 20 21 22 23 24 25 26 DIRECTION OF FEED Feed work into blade or cutter only against the direction of rotation of work piece USE THE CORRECT LATHE TOOLS Do not use spindle turning chisels for faceplate mounted Work or vice versa Spindle turning tools used for faceplate turning may grab the work piece and pull the chisel from your control WHEN ROUGHING STOCK do not jam the lathe tool or chisel into work piece or take too big deep a cut DO NOT POUND THE WORK PIECE onto headstock drive spur center while attaching it to the lathe Pound the drive spur center into the work piece with a soft mallet before installing it in the headstock DO NOT USE THE TAILSTOCK to drive the work piece onto the drive spur center when turning between centers Secure work between the centers with light pressure from the tailstock quill adjustment FASTEN STOCK SECURELY BETWEEN CENTERS Make sure the tailstock is locked before turning On the power NEVER LOOSEN TAILSTOCK spindle or tailstock while work piece is turning CORRECTLY USE THE FACEPLATE When faceplate turning make sure work piece is securely fastened to the faceplate and that the appropriate size faceplate is used to support the work piece Any screw fasteners must not interfere with the turning tool at the finished dimension of the work piece Rough cut the work piece as close as possible to the finished sha
9. Wood Lathe ACCCSSONCS crror cnni i E E a ENN 29 Comet Wood Lathe Accessories ccccccssesseeccceeeceeeeeeseceeeeeesseeaeeeeeeeeeeseuaaseseeeeeesesaaaaeeeeeeeessaaaeesss 30 Copyright 2000 2013 by Teknatool International All Rights Reserved NOVA Comet II and NOVA Versaturn are trademarks of Teknatool International Ltd The information and specifications contained herein are subject to change Teknatool is not responsible for errors or omissions herein or for incidental damages in connection with the furnishing or use of this information 118 0717 005 5 GENERAL SAFETY RULES 10 11 12 13 i Failure to follow these rules may result in serious personal injury FOR YOUR OWN SAFETY READ THE MANUAL BEFORE OPERATING THE TOOL Learn the machine s applications limitations and the specific hazards particular to it ALWAYS USE A FULL FACE SHIELD Strongly recommended and must comply with ANSI STANDARD 87 1 USA Everyday eyeglasses usually are only impact resistant and safety glasses only protect eyes A full face shield will protect the eyes and face Also use a face and dust mask if the cutting operation is dusty WEAR PROPER APPAREL Do not wear loose fitting clothing gloves neckties rings bracelets or other jewelry which may get caught in moving parts Non slip footwear is also recommended Wear a protective hair covering to contain long hair USE EAR PROTECTORS Use ear protection pl
10. chucks and faceplates etc 2 Loosen motor mount and take the belt off Pulley 1 Let the belt rest on the outer tracks of Pulley 2 3 Unscrew the grub screw from the middle track of Pulley 2 Pulley 2 aye Grub Screw T I 118 0717 005 21 4 Remove Circlip 1 from the Spindle 5 Knockout tool requirements The knockout tool can be any round shaft less between 14mm amp 24mm 9 16 amp 1 An ideal Knock out tool can be turned to dimensions in drawing to right IO 378 E 6 Using the knock out tool and a small mallet or hammer tap out the spindle from Spindle end A until Spindle end A is approximately 15 20mm 3 4 Bs from the inside of Bearing 1 Knock out Belt Bearing 1 Spindle End A Pulley 2 118 0717 005 22 10 11 Remove the old belt and place the new belt over the Spindle End A and on to Pulley 2 NOTE Make sure the new Belt and Pulley 2 are all on the spindle Using a wooden mallet or plastic hammer start to tap the Spindle back into the headstock NOTE Before Spindle end A enters Bearing 1 double check that the new Belt and Pulley 2 are on the spindle As the Spindle end A starts to enter Bearing 1 move Pulley 2 back along the Spindle Gently tap the spindle until the groove for the Circlip 1 can be reached for installing Circlip 1 Reinstall Circlip 1 On the Spindle there is a small hori
11. covers replacement of parts only and excludes transport costs Register your warranty with Teknatool faster online Visit our website on www teknatool com to register your warranty today 118 0717 005 31 atool INTERNATIONAL Nova Comet II Woodlathe Manual Publication Code 1 18 0717 005 Copyright Teknatool International 2000 2013 Patent App 593 446 NOVA Comet Il and NOVA Versaturn are trademarks of Teknatool International Ltd All rights reserved 118 0717 005
12. do a job for which it was not intended or designed USE RECOMMENDED ACCESSORIES The use of improper accessories may cause hazards and could result in serious personal injury DON T FORCE THE TOOL It will do the job better and safer at the rate for which it was designed MAINTAIN TOOLS IN TOP CONDITION Keep tools sharp and clean for the best and safest performance Follow instructions for lubricating and changing accessories NEVER STAND ON THE TOOL Serious injury could occur if the tool is tipped or if the cutting tool is accidentally contacted REMOVE ADJUSTING KEYS AND WRENCHES Form a habit of checking to see that keys and adjusting wrenches are removed from tool before turning it On DON T OVERREACH Keep proper footing and balance at all times DIRECTION OF FEED Feed work into a blade or cutter against the direction of rotation of the blade or cutter only ATTENTION TO WORK Concentrate on your work If you become tired or frustrated leave it for a while and rest SECURE WORK Use clamps or a vice to hold your work when practical It s safer than using your hand and frees both hands to operate the tool CHECK DAMAGED PARTS Before further use of the tool any part that is damaged should be carefully checked to ensure that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts mounting and any other conditions that may affect its operation
13. meet the work piece and lock the Tailstock in place Turn the Hand wheel to apply light holding pressure to the work piece The work piece should turn easily by hand yet not be loose Tighten the Quill Lock Handle 118 0717 005 17 Using a Drive spur Center Mark stock centers For softimoods A punch centers 1 Mark centers as shown in the adjacent drawings Mount the Drive spur Center to the work piece as shown and then insert the Drive spur Center and work piece into the Headstock Spindle Warning Do not pound work piece onto the Drive Spur Center while it is mounted in the Headstock as For hardwoods you may damage the drill centers and Headstock saw diagonals for spur drive center 2 To remove the Drive spur Center insert a 10 mm 3 8 inch diameter steel rod through the Headstock Spindle hole While holding the center so it doesn t fall lightly tap it out Improving the Performance of your Lathe To get the best performance out of your lathe it is a good practice to keep your chisels and tools sharp This can be achieved by regularly grinding the cutting edges on a grinder with the aid of a sharpening guide Keeping the edges sharp significantly reduces the load on the motor allowing for better output Consequently turning conditions are improved and cleaner finishes are achievable For improved turning it is recommended having wood removed in shavings as opposed to chips The position
14. or Tailstock while the work piece is turning 1 To move the Tailstock along the bed loosen the Tailstock Lock Arm slide the Tailstock to the desired position and tighten the Tailstock Lock Arm 2 To move the Tailstock Quill in or out loosen the Quill Lock Knob and turn the Hand wheel clockwise or counterclockwise Lock the Quill in place with the Quill Lock Knob 3 The Tailstock Quill accepts centers and accessories with a No 2 Morse Taper 2 MT To install a taper use a quick firm action by hand Do not pound the taper in 4 To remove a taper simply wind the quill into the Tailstock until the taper is ejected Or insert the Knock Out Bar through the Tailstock Quill hole While holding the taper so it doesn t fall lightly tap it out 5 The Tailstock Quill is hollow allowing you to bore holes through turnings while a hollow center is used Adjusting the Tailstock for Turning Between Centers 1 Mount the Drive spur Center to the work piece and insert the Drive spur Center into the Headstock Spindle as described overleaf under Using a Drive Spur Center Warning Do not use the Tailstock Quill adjustment to drive the work piece into the Drive spur Center This can create an unsafe and loose work piece In addition could prematurely damage the Quill 2 Mount the live center into the Tailstock Quill using a quick firm action by hand 3 While holding the work piece slide the Tailstock to
15. the floor Make sure the stand is solidly constructed with leveling screws or feet Over tensioning of belt is a primary cause of vibration The Drive Belt is running badly over tensioned or damaged Apply a spray on belt dressing on the belt grooves readjust belt tension or replace the belt Motor Pulley is not in correct alignment with the Headstock Pulley Loosen the Motor Pulley grub screw and align the pulleys Ensure Motor Pulley grub screw is tight once in position Headstock Pulley or Motor Pulley is loose Check that the pulley set screws are tight The Headstock Belt Guard is loose or rattling Check that the Belt Guard Lock is tight Ensure motor adjustment locknut and M5 lock nut are tight Motor vibrates Many single phase motors produce minor noise or vibrations and usually cannot be altered Sometimes new brushes take time to wear in and a reduction in noise can be noticed after a few hours of running Dirt build up on the rear of the Faceplates or Chucks Clean off all build up and dirt Faceplates and Chucks must mount securely against the inner bearing ring surface of the spindle Damaged surface on Tool rest Face caused by sharp edged tools File the Tool Rest using a fine tooth file and polish with extra fine sandpaper Also remove the sharp edges from the corners of the turning tools Small end of the Morse taper is damaged due to dropping or hitting File or polish away any damage Check that inside of tapers hav
16. weight and mass so it doesn t move when turning large work pieces In addition a heavier stand can absorb vibration The stand should sit level on the floor and not rock side to side or front to back 118 0513 004 9 Assembling the Nova Comet II Wood Lathe Stock Code Part description 46000 Comet II lathe LHB Hand Wheel Break 46032 OP Bar 46033 Faceplate O 46503 LiveCente 46502 SprCente 46025 Tailstock Quill Lock Hande AK5 SmmHexKey EUony AKS SmmHexKoy O O 118 0717 005 10 Unpack the lathe and its components from the shipping package Clean any parts coated with the rust preventative compound with a cloth moistened with a petroleum based solvent or cleanser such as Kerosene or Mineral Spirits After all the parts have been cleaned coat the lathe bed with paste wax or a dry silicon spray Insert the Tool Rest into the Tool Slide and secure it with the lock handle Assemble the Tailstock Handle and quill lock as below Place the Drive Spur Center into the Headstock and the Live Center into the Tailstock Gently slide the tailstock up to the Headstock until the two points nearly touch They should align If not see page 25 for alignment procedures Also consider loosening the bolts holding the headstock to the bed and aligning the headstock so the two points head and tailstocks align vertically and horizontally Screw the LHB Hand wheel onto the outboa
17. 5 420mm Speeds Can be increased with 24 6 625mm Optional Accessory Low Speed Pulley 250 RPM 680 RPM Extension beds Left pulley step looking at spindle from operator side Middle Speed Pulley 530 RPM 1420 RPM High Speed Pulley 1380 RPM 4000 RPM Standard Equipment Spindle Hand Wheel Headstock opindle Thread 1 8TPI RH Headstock Bore No 2 Morse Taper 2MT Through Bore 3 8 10mm Traverse Hole through Spindle 3 8 10mm Live Tailstock Revolving Center 2MT Tailstock Drive Spur Center 2MT Self Ejecting 3 15 80mm Faceplate Tailstock Bore 2MT 6 150mm Tool Rest Quill Travel 2 50mm Optional Accessories Hole Through Tailstock 3 8 10mm Comet Il Bed Extension Nova Versaturn Accessories Nova G3 Chuck System with reverse direction lock 118 0717 005 Setting Up Your Workshop Workshop Requirements Consideration Lathe Location Lighting Electrical Ventilation Recommendation Locate the Nova Comet II Wood Lathe close to a power source in an area with good lighting If you are using it in a workshop other machines should not interfere with the operation of the lathe Your room or workshop should have adequate lighting The work area of the lathe should be well lit and there should not be shadows cast upon your work If possible locate near a window A moveable spotlight may be helpful The Nova Comet Il Wood Lathe requires an appropriate outlet nearby to powe
18. 9 Comet Il Wood Lathe Accessories NOVA Versaturn Grinding Wheel Accessory 47002 6 x 3 4 White Aluminium Oxide Wheel 60 Grit ideal for grinding most wood working tools Variable speed adjustment up to 3000rpm which enables you to select just the right speed to grind without burning the tool edge Requires the NOVA Versaturn Coupler to enable this to be mounted onto the NOVA Comet II Midi Lathe Exclusive to the NOVA Comet II Quick to lock and unlock into place using the NOVA VersaturnTM Coupler Accessory 47000 Protective Case with eye shield and toolrest included 1 Year Warranty NOVA Versaturn Wire Wheel Accessory 47004 Exclusive to the NOVA Comet II Midi Lathe Requires the NOVA VERSATURN Coupler to attach to your Comet II Midi Lathe Quick to lock and to unlock into place using the NOVA VERSATURN Coupler Variable Speed Adjustment up to 3000rpm which enables you to select just the right speed Perfect accessory for cleaning or texturing parts in your workshop or on location 1 Year warranty 118 0717 005 30 Teknatool Warranty Teknatool Two Year Limited Warranty This Teknatool product is backed by a warranty from the date of purchase Teknatool International Ltd will repair or replace at its expense and option this Teknatool product which in normal use has proven to be defective in workmanship or material provided that the customer returns the product prepaid to an authorized Teknatool service cen
19. ble Speed Knob to about 1 4 of the speed range and slowly increase the speed to the desired RPM 2 Starting the motor at the lowest possible setting may cause it to fail due to loading However the lowest setting can be achieved by reducing the RPM once the motor is in motion 3 Rapid RPM changes from low up to high speed are not recommended Changing Belt Positions 1 To change the belt position ensure the machine is switched and unplugged 2 Unlock the Belt Guard by unscrewing the guard lock knob or guard lock fastener in some markets Then lift the front of the guard upward 3 Free the motor by loosening the Motor Lock Handle 4 Lift the Motor Mount Handle slightly to get the belt off of the pulley The motor adjustment range up down is approximately 3 4 20mm 5 Install the belt on the desired step top and bottom 6 Tension the belt by pressing down on the Motor Mount Handle Pressing down with 2 fingers or the thumb will provide adequate pressure Slightly higher pressure may be required for larger work Caution Too much pressure on the motor pulley will damage the motor bearings break the belt or motor shaft Drive Belt J Motor Motor Lock Handle Motor Mount Handle 7 When the correct tension has been made and while holding the motor at the correct tension tighten the Motor Lock Handle Caution Don t use too much pressure on the Motor Lo
20. ck Handle It needs to be tightened a little more than finger tight 8 Lower Belt Guard to the closed position and re lock the Cover 118 0717 005 14 Headstock The Headstock houses the motor pulley headstock pulley bearings a belt and the spindle The Headstock Spindle accepts centers and accessories with an No 2 Morse taper 2 MT The thread size or pitch is 1 8 RH Using the Spindle Index The Spindle Index Lock is located on Rear View the back of the Headstock This locking system works by inserting a pin into one of 12 notches 30 oa degrees apart in the pulley attached to the spindle Warning Make sure the Index Pin is out before operating the lathe The Index Pin should be lifted into the unlocked indentation in the knob to prevent it from engaging while the spindle is turning Lock Pin Notch Spindle f Pulley To lock the spindle 1 Turn the lathe and wait for the spindle to stop 2 Pullthe Index Knob and turn it until the LOCK is upright and the pin drops into the hole To lock the spindle the Locking Pin must engage into a Notch in the Spindle Pulley To unlock the spindle 1 Pull the Index Knob and turn it until the UNLOCK is upright 2 Check to verify that the spindle can rotate freely and that the Index Knob has dropped into unlocked indentation to prevent it from engaging while the spindle is tu
21. d over heating IMPORTANT For best protection of the lathe use a surge protected plug outlet rated to at least 15 amps Ground Fault Interrupters GFl s or Residual Current Detectors RCD s are helpful and are a recommended protection device for any power tool 118 0717 005 12 Using the Nova Comet II Wood Lathe The Variable Speed DC Direct Current Motor The DC motor contains brushes that contact the commutator It is very important to allow between 30 to 45 minutes of run in time of these brushes before any turning or significant load is applied This should be done in the higher rpm range A clicking or swishing noise in the motor is normal which will reduce as the brushes wear in During normal operation 5 minutes of warm up may also be required on cold weather days The motor is one of the most important elements in the lathe The Comet Wood Lathe uses a high quality and powerful DC motor to provide the best turning performance It has been pre wired in such a way that it allows the lathe spindle to rotate in a counter clockwise direction when facing the spindle We use a Permanent Magnet DC Motor PMDC which produces the most torque for conventional motors The motor is nominally rated at 3 4 HP 550watts however can produce a higher output Belt and Variable Speed Range Coupled with the high torque DC motor we also use a 3 step pulley to provide optimum power bands The label on the controller displa
22. e not been scored Grease or oil inside of the Morse Tapers Wipe clean the inside of the Tapers Insufficient pressure when installing the center Use a quick firm action by hand to install a taper Do not tap in using any solid object 118 0717 005 24 Troubleshooting Guide Continued Problem Tailstock and headstock center not lining up correctly Motor doesn t run Tailstock hand wheel hard to turn or will not turn Tailstock quill hard to move Tailstock not sliding smoothly on bed ways Tailstock binds Tailstock jumps where bed sections join Possible Cause and Solution Bed incorrectly bolted to stand causing twist Ensure stand and lathe are correctly assembled Tailstock base is not flush with bed Check for debris on both surfaces Check for compromised electrical cords Remove plug from power outlet socket Check an appliance that you know works in the power outlet socket If it fails check the breaker fuse in breaker fuse box corresponding to that socket If socket is operating then the Control Unit of the Comet II Wood Lathe may have failed Contact your nearest service center for a replacement Quill lock may be locked Unlock the Quill Lock If necessary lightly tap a block of wood against the Hand wheel Handle Tap the handle in a clockwise direction as viewed from the Tailstock end Build up of dust and or wood resin on the Quill or inside of the Hand wheel thread Remove clean and
23. f the work piece was green with excess moisture Failure to clean up after green turning can cause rust marks and pitting of the surfaces of the lathe Wax exposed cast iron parts with a good quality paste wax or dry silicone spray especially the bed rails Buff out the wax thoroughly Check tightness of nuts and bolts especially the grub screw set screw on the motor pulley and the lathe mounting bolts Lubricate with one or two drops of light weight oil Index pin Shaft and the Tool Slide Camshaft remove plastic plug and the Tool Slide Camshaft Bores Lubrication Locations Camshaft Bore 2 118 0717 005 19 Cleaning the Tool Slide If the Tool Slide becomes hard to move and adjust cleaning and lubricating is required Camshaft I 1 To make the Tool Slide move freely along gt d the bed make sure the Bed Rails are A clean Apply some paste wax to the Bed Il ff Rails 6 2 If the Tool Slide is hard to move towards IS Toolside or away from you remove the Tool Slide N Bottom view from the lathe bed Clean the Tool Slide Camshaft round eccentric rod with a petroleum based solvent Lubricate the rod with a light weight oil or a dry silicone spray U 3 Place the Tool Slide back onto the Lathe Bed Cleaning the Tailstock If the Tailstock Quill becomes hard to use or the Hand Wheel is hard to turn cleaning and lubricating is required 1 Remove the Quill Lock by unscrewing it fully
24. f whom are beginner turners we are going to build some special support features into our website Please complete and return your warranty registration to us your warranty registration can also can be completed on our website Please feel free to contact us about any aspect of our products or services We consider our customers as our best development and improvement team we d love to hear from you Once again welcome to our NOVA Family We hope you enjoy our products and also hope they enhance the creative pleasure you get from your woodturning Best Regards Brian Latimer Marketing Director Teknatool International Ltd 118 0717 005 3 Contact Teknatool New Zealand Teknatool International Ltd Phone 64 9 477 5600 Fax 64 9 477 5601 Email service teknatool com Website www teknatool com United States Teknatool Innovation and Customer Care Center Phone 727 954 3433 Phone 1 866 748 3025 Fax 727 623 0902 Email service teknatool com Website www teknatool com For service enquiries you can contact us above or contact the retailer where you have purchased your NOVA Comet 12 Midi Lathe 118 0717 005 4 Table of Contents GENERAL SAFETY cals et ee ete ee 6 ADDITIONAL SAFETY RULES FOR WOOD LATHES ccccccccccsseecceeeccseeseeeesssaaeeeseeeeeeeeeeeeeeeeeses 7 Nova Comet II Wood Lathe Specifications
25. ge direction into reverse This feature enables the turner to sand with the lathe in reverse eliminating problem areas which cannot normally be sanded smooth in the forward direction Optional Grinder Attachment At last there is now a lathe which not only saves the turner having to buy a bench grinder or equivalent but also allows the turner to quickly touch up chisels as they lose their cutting edge The optional Versa turn Grinder Attachment on the Nova Comet II Wood Lathe provides a safe economical and practical way of keeping the edge on your tools Solid Construction Well proven design The critical components of the Nova Comet II Wood Lathe are made from cast iron for strength rigidity and vibration reduction 118 0717 005 2 Welcome Thank you for choosing NOVA and our Nova Comet II Mini Wood Lathe Welcome to the NOVA Family of Woodworking Products Your choice shows you want the best for your woodturning and recognize the superior and unique benefits the Nova Comet Il Wood Lathe offers We strive to achieve the best value for your purchase by providing quality where it counts innovative features and a wide variety of accessories some unique to NOVA In addition comprehensive ongoing support latest manual editions downloadable from our website free newsletters to keep you updated and woodturning projects specifically designed for your lathe and accessories In addition and especially for Comet Il owners many o
26. il it is completely assembled and installed FOLLOW ELECTRICAL CODES Make sure wiring codes and recommended electrical connections are followed and that the machine is properly grounded KEEP WORK AREA CLEAN Do not turn the lathe on before clearing the lathe of all objects tools scraps of wood etc Keep the nearby area and floor clear of debris CHECK SET UP with the power examine the set up carefully and rotate the work piece by hand to check clearances before turning On the power DO NOT MAKE ADJUSTMENTS when the lathe or work piece is turning Make all adjustments with power Off TIGHTEN ALL CLAMP HANDLES on the headstock tailstock and the tool rest before operating the lathe EXAMINE THE WORK PIECE and glue joints before turning to make sure it has no defects that would cause it to break split while turning USE THE LOWEST SPEED when turning a new or unbalanced work piece TURN AT RECOMMENDED SPEED Always operate the lathe at the recommended speeds Consult this manual for suggested speeds ADJUST THE TOOL REST close to the work piece Before turning rotate the stock by hand to make sure it clears the tool rest At intervals stop the lathe and readjust the tool rest KEEP THE TOOL ON THE TOOL REST Tools should remain on the Tool Rest whenever the tool is engaged in the work piece REMOVE THE TOOL REST when sanding or polishing so fingers do not get pinched
27. lubricate the Quill and Tailstock as described under Cleaning the Tailstock The Quill has been retracted too far and is locked against the Hand wheel Quill Lock may be locked Unlock the Quill Lock The Quill may be damaged Turn the handle to expose the Quill and check for marks along the Quill especially on the edges of the slotted keyway Remove any high spots with a smooth file and test the Quill travel Replace the Quill if necessary Dirty bed ways and underside of Tailstock Body Clean bed ways and underside of Tailstock Body with a petroleum based solvent The inside of the bed has a high spot File the area with a smooth flat file until the Tailstock moves freely The Tailstock Adjustment Plate has a rough spot or a burr Remove the Tailstock and file the Plate with a smooth flat file The machined flat surfaces are not flush File the area with a smooth flat file until the Tailstock moves freely For other technical issues contact your local service center or e mail us at service teknatool com 118 0717 005 25 Nova Comet Il Wood Lathe Exploded View en a eS 27 24 GD Q 118 0717 005 26 Nova Comet Il Wood Lathe Parts List ITEM NO PART NUMBER DESCRIPTION QTY 46001 Headstock 46018 Hex Capscrew C10035 M10X35 4 1 FW10 10mm Flat Washer 7 SW10 10mm Spring Washer 46007 Rubber Feet 46042 Headstock Guard Pin 4609 Headstock Guard Lock
28. of your tool to the work piece is very important in achieving this lt is recommended to have an angle between the tool tip and the work piece This angle allows shavings of wood to be scooped off in strips Also note that the type of wood and grain will affect the removal of material from your work piece To gain maximum torque from the motor it is advised that the belt be ran on the smallest motor pulley diameter Use the middle step for other general work Learning to Turn The last section outlined some simple guidelines and recommendations to get you started However the art and technique of turning is a subject beyond the scope of this operating manual It is recommended that you receive hands on instruction and or refer to books and videos on the subject For reference some woodturning books are Woodturning A Foundation Course Turning Wood With Richard Raffan by Keith Rowley by Richard Raffan Creative Woodturning The Fundamentals of Woodturning by Dale Nish by Mike Darlow Woodcraft in the USA offers woodturning instruction courses For more information visit Woodcraft s website at www woodcraft com 118 0717 005 18 Maintaining the Nova Comet Il Wood Lathe General Maintenance Interval After each use Monthly Maintenance Clean the work area and lathe Vacuum scraps and dust from the inside of the Headstock between the Lathe Bed Rails and under the Tool Slide and Tailstock Do not neglect this especially i
29. pe before installing it on the faceplate DO NOT OPERATE THE LATHE IF DAMAGED OR FAULTY If any part s of your lathe is missing damaged or broken in any way or any electrical component fails shut the lathe and disconnect the lathe from the power supply Replace missing damaged or failed parts before resuming the operation ADDITIONAL SAFETY INFORMATION regarding the safe and proper operation of this product is available from the National Safety Council 444 N Michigan Avenue Chicago IL 60611 in the Accident Prevention Manual of Industrial Operations and also in the Safety Data Sheets provided by the NSC Also refer to the American National Standards Institute ANSI 01 1 Safety Requirements for Woodworking Machines and the U S Department of Labor OSHA 1910 213 Regulation For Schools and Industrial applications the Nova Comet II Wood Lathe will require the use of a NO VOLT RELEASE For these applications the lathe may also fall under additional regulations Note In the USA a Low Voltage Control LVC is required 118 0717 005 Nova Comet Il Wood Lathe Specifications Weight 77 2los 3505 Packaged Tool Rest Overall dimensions Length 6 150mm Length 29 3 approx 744mm Shaft Diameter 5 8 15mm Height 14 5 approx 870mm Motor Top of headstock from bench 3 4 HP 550W Average Output Swing over bed 12 305mm DC Permanent Magnet Variable Speed Drive Distance Between Centers 16
30. r the motor Wiring and outlets should adhere to local electrical codes If in doubt seek advice from an electrician Minimize use of extension cords Your room or workshop should be adequately ventilated The degree of ventilation will vary based on the size of the room and the amount of work done The Nova Comet II Wood Lathe does not normally create a big dust problem however the use of dust collectors masks and filters will minimize the risks to your health Lathe Stand Recommendations A sturdy rigid stand is desirable so that the Nova Comet II Wood Lathe can deliver optimum performance The larger the size of your turnings the greater the importance of the lathe stand However for many smaller projects simply mounting the Comet Il Wood Lathe on a bench top or table will suffice For security it should be clamped or bolted in place Consideration Lathe Height from Floor otand Top Stand Weight otand Legs Hecommendation The height of the stand should be located with the centerline of the lathe spindle at the elbow height of the turner The stand top should be flat so the lathe does not twist when it is sitting on top If the lathe is to be bolted down and the feet are removed the lathe should ideally be mounted on spacer blocks to allow extra clearance for the motor Check for any gaps between the lathe base and stand top before bolting it down Shim and prepare stand as necessary The stand should have enough
31. rd end of the Spindle Assembling the Tailstock Installing the Hand Wheel Handle 1 Insert the Hand Wheel handle Hand Wheel screw into the Hand Wheel Handle 2 Using a flat head screw driver screw the hand wheel handle onto the rear face of the Hand Wheel and tighten Hand Wheel Handle Hand Wheel Handle Installing the lock Handle 3 Align the quill so that the slot is facing upward and parallel with the top of the tailstock 4 Install the locking handle into the top of the tailstock so that it will enter into the slot of the quill Quill slot Make sure the locking handle is in the correct position by trying to rotate the quill If it cannot be rotated the locking handle and quill are in the correct positions 118 0717 005 11 Adding a Bed Extension Each cast iron Bed Extension adds 24 6 625mm to the lathe s length 1 Clean the joining ends of both bed sections with a petroleum based solvent Make sure there are no dents or burrs on either of the mating surfaces Remove burrs and high spots with a smooth file Place the two mating faces together and install the Four M10 cap screws Note only install finger tight at this time Warning Tailstock over Join Area lL M Extension Bed y HI P d f J li e 1 EE jew 1
32. rning 118 0717 005 15 Mounting a Faceplate or Chuck 1 With the lathe turned Off and unplugged use the Spindle Index Lock to hold the Headstock Spindle in position 2 Install the Faceplate or Chuck onto the spindle threads A spindle washer may be used in between the Faceplate or Chuck to make removal easier Warning The Faceplate or Chuck body must contact the shoulder on the spindle bearing 3 Disengage the Spindle Index Lock before turning On the lathe 4 Similarly use the Spindle Index Lock to remove the Faceplate or Chuck Tool Rest 1 To move the Tool Slide along the bed loosen the Camshaft Handle move the Tool Slide to the desired position and tighten the Camshaft Handle 2 adjust the Tool Rest loosen the Tool Rest Lock Handle position the Tool Rest Tool Rest and tighten the Tool Rest Lock Handle 3 Adjust the Tool Rest close to the work piece Exact positioning may be varied to suit the turner Before turning rotate the stock by hand to Camshaft make sure it clears the Tool Rest At Handle intervals stop the lathe and readjust the Tool Rest Bed Warning Lathe tools and chisels should remain on the Tool Rest whenever the tool is in contact with the work piece Remove the Tool Rest when sanding or polishing so fingers do not get pinched Tool Rest lock Handle 118 0717 005 16 Tailstock Warning Never loosen the Tailstock Quill
33. ter with proof of purchase of the product within TWO YEARS and provides Teknatool with reasonable opportunity to verify the alleged defect by inspection Teknatool will pay return product by most cost effective surface transport to customer Any special freight services above this will be at customer cost All motors electrical parts and electronics are covered by a ONE YEAR warranty from the date of purchase Teknatool will not be responsible for any asserted defect which has resulted from normal wear misuse abuse Power surges or excess voltage fluctuation repair or alteration made by anyone other than an authorized service facility or representative Under no circumstances will Teknatool International Ltd be liable for incidental special indirect and consequential damages or expenses including loss of profits or loss of operations This warranty is Teknatool International Ltd sole warranty There are no other warranties whether written or verbal whether expressed or implied by law trade custom or otherwise whether of merchantability fitness for purpose or otherwise except for remedies available to customers under the Consumer Guarantees Act or other legislation OVERSEAS CUSTOMERS Our Teknatool Distributors and agents will issue their own warranty to cover this product Terms may vary from those stated above please check with your dealer In North America warranty covers Continental USA only For Alaska Hawaii and other areas warranty
34. ugs or muffs for extended periods of operation Use ear plugs muffs rated to 103 DBA LEQ 8 hour DON T USE IN DANGEROUS ENVIRONMENT Don t use power tools in damp wet locations or expose them to rain Keep work area well lit KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents Build up of sawdust is a fire hazard KEEP CHILDREN AND VISITORS AWAY All children and visitors should be kept at a safe distance from the work area MAKE WORKSHOP CHILDPROOF with locks master switches or by removing starter keys GROUND ALL TOOLS This tool is equipped with a three prong plug It should be plugged into a three hole electrical receptacle If an adapter is used to accommodate a two prong receptacle the adapter lug must be attached to a known ground Never remove the third prong MAKE SURE TOOL IS DISCONNECTED FROM THE POWER SUPPLY while the motor is being mounted connected or reconnected DISCONNECT TOOLS before servicing and when changing accessories such as blades bits cutters etc AVOID ACCIDENTAL STARTING Make sure switch is in the position before plugging in the power cord NEVER LEAVE MACHINE RUNNING UNATTENDED Do not leave tool unless it is turned Off and has come to a complete stop Caution 14 15 16 17 18 19 20 21 22 23 24 25 26 2f KEEP GUARDS IN PLACE and in working order USE THE RIGHT TOOL Do not use a tool or attachment to
35. xtension adds 24 6 625mm to the lathes length Nova G3 Reversible Chuck 48232 A self centering chuck to securely hold round or square work pieces for centerless turning The special Tuff Lock gearing delivers amazing holding power in both the contraction and expansion mode It includes a screw chuck and a lock for reversing work A wide variety of optional jaws are available to hold almost any work piece Note This chuck has been designed for the NOVA Comet II Midi Lathe only It cannot be used on any other chuck Revolving Center System 5015 A multi function live center system to expand your options when turning between centers It includes quick change tapers a hollow cup center point threaded center cone center and an extension center Made with three bearings for durability and precision machined for a high quality finish NOVA Versaturn Accessories range The NOVA Versaturn Adaptable Technology is exclusive to NOVA With the addition of the Versaturn Coupler these accessories enable you to turn your NOVA Comet II Wood Lathe into a Whetstone grinder Belt Sander Flexible Shaft Rotating Tool Grinding Wheel Sanding Disk Wire Brush Note Each accessory is sold separately and cannot be fitted to any other lathe For more details about NOVA s lathe accessories please contact your local retailer or contact us directly You may also visit our website at www teknatool com 118 0717 005 2
36. ys the ranges as 1 2 and 3 With the unit facing the operator Band 1 is the left most drive belt position for the slower turning Band 2 is in the middle and Band 3 on the right Speed Band Type of Work RPM Range Slow Speed 250 680 Large faceplate and spindle work EM dE omall faceplate and smaller diameter spindle work L e omall turning and miniature turning work ELECTRONIC VARIABLE SPEED CONTROL The Controller also has M BELT OC approximate speeds in 7 SUDE i ESSET relation to the speed N control Knob for each belt setting d The speed range is achieved with a Variable Speed Controller A micro processor chip in conjunction with other electronic components allows the input power to be manipulated In return smooth Variable DC power can be delivered from the controller to the motor This is a Y Type Appliance where all electrical workings and attachments are NOT to be altered replaced or worked on Any work in this area is to be done by TEKNATOOL International Only Please contact Teknatool International should any damage to the electrical components occur 118 0717 005 13 Direction of Lathe Rotation The ON OFF toggle switch on the motor controller has three positions ON Forward OFF and ON Reverse To use the lathe the switch must be in either of the two ON positions Changing Speeds 1 When starting set the Varia
37. zontal grove for the Pulley 2 Grub Screw to sit in Align the grub screw hole in Pulley 2 with this horizontal grove and re align the steps of Pulley 2 with Pulley 1 Insert Pulley 2 Grub Screw in to Pulley 2 and tighten snug Install the belt on the slowest speed steps tension correctly and tighten the motor lock handle Lower and lock the cover and test the new belt at the slowest speed at first to make sure Pulley 2 is not slipping on the Spindle and that the two pulleys are aligned correctly If it is slipping or the belt comes off or starts to work its way off repeat step 13 Otherwise the lathe is now ready for use Horizontal Grub Screw Grove 118 0717 005 23 Troubleshooting Guide Problem Excessive vibration Faceplate or chuck running out of true Turning tools not sliding smoothly across Tool rest Spur drive center or live center not holding into the spindle taper or quill taper when turning Possible Cause and Solution Out of balance or large work piece Reduce the lathe speed to the lowest speed possible and turn the work piece to a true circle Work piece is not held in the center Check work piece mounting and correct Work piece is not secure or held tight enough Check work piece mounting and correct Lathe incorrectly bolted to stand or bench Refer to this manual for Lathe Stand recommendations Stand or bench not well constructed too light or standing incorrectly on
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