Powermatic 3520A, Instruction Manual

Page 1: ...20 WOODTURNING LATHE Model 3520A Instruction Manual Parts List M 0460221 800 248 0144 www powermatic com ...

Page 2: ...e or accidents normal wear and tear repair or alterations outside our facilities or to a lack of maintenance WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MERCHANTIBILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS...

Page 3: ...ounting Stock 13 Faceplate or Chuck 14 Wood Selection 14 Checks Cracks 14 Distortion 14 Tools for Bowl Turning 14 Bowl Turning Techniques 14 To Shape Outside of Bowl 14 To Shape Interior of Bowl 15 Sanding Finishing 15 Trouble Shooting 16 Parts Lists Exploded Views Headstock Assembly 17 19 Stand Bed Assembly 20 21 Optional Accessories Indexer Bed Extensions 22 23 Optional Accessories Tool Supports...

Page 4: ... times DO NOT operate the machine with guards off Don t Overreach Maintain a balanced stance and keep your body under control at all times Do not overreach or use excessive force to perform any operation Maintain Tools in Top Condition Keep tools sharp and clean for safe and best performance Dull tools can grab in the work and be jerked from the operator s hands causing serious injury Check the co...

Page 5: ...medication Do not operate tool while under the influence of drugs alcohol or any medication Do not use this Powermatic wood lathe for other than its intended use If used for other purposes Powermatic disclaims any real or implied warranty and holds itself harmless from any injury that may result from that use Health Hazards Some dust created by power sanding sawing grinding drilling and other cons...

Page 6: ...6 SAFETY DECALS Familiarize yourself with the location and content of this decal on your machine 6294773 ...

Page 7: ...ill Travel Over 4 3 Faceplate standard 14 Toolrest standard Drive System Poly V Belt Inverter Drive Spindle Lock standard Knock Out Rod standard Drive Center standard Ball Bearing live Center standard Hole through Tail Stock Spindle 3 8 Hole through Head Stock Spindle 5 8 Footprint of stand 50 L x 24 W NOTE The above specifications were current at the time this manual was published but because of ...

Page 8: ...MAL OPERATION Inverter Drive System The model 3520A lathe utilizes the latest technology in A C inverter drives to provide infinitely variable spindle speeds The inverter controls the speed of the motor by varing the frequency of the voltage supplied to the motor The inverter provides an acceleration ramp that eliminates the shock of normal across the line starting Also a braking feature eliminate...

Page 9: ...otate very freely Speed Range Adjustment To provide the maximum horsepower to the spindle at the very slow speeds set the drive belt in the low range To change speed ranges open the access door in front of the headstock loosen the pivot lock handle located in the motor tension slot raise the motor up by lifting up on the motor plate handle and relock the lock handle to hold the motor up There shou...

Page 10: ...ld be located near your lathe and at a comfortable height A diamond dresser will keep the wheels true and eliminate glazing Never allow the tool to rest in one place on the wheel keep it moving and use a light touch Carbon steel tools can overheat easily and should be cooled frequently If the edge turns blue it has lost its temper and should be ground past the blue area High speed steel tools are ...

Page 11: ...racy is not critical on full rounds but extremely important on stock where square sections are to remain Put a dimple in the stock with an awl or nail or use a spring loaded automatic center punch 2 Extremely hard woods may require kerfs cut into the spur drive end of stock Figure 3 or may need to have the spur center driven into the stock with a wood mallet or dead blow hammer Figure 4 NOTE Never...

Page 12: ...ng smoothing cut touching one of the points of the skew to the spinning workpiece may cause a catch and ruin the workpiece 6 Add details to the workpiece with skew parting tool scraper or spindle gouge BEADS 1 Make a parting cut for what is to be a bead to the desired depth Place the parting tool on the tool support and move tool forward to make the full bevel of the tool come in contact with the ...

Page 13: ...p sandpaper around your fingers or the workpiece To apply a finish the workpiece can be left on the lathe Turn off the lathe and use a brush or paper towel to apply the finish Remove excess finish before restarting lathe Allow to dry and sand again with 320 or 400 grit sandpaper Apply second coat of finish and buff FACE PLATE BOWL TURNING Face plate turning is normally done on the inboard side of ...

Page 14: ...ou should find good sound wood Also cut the log in half along the pith to avoid having it in the finished piece Most checks radiate from the pith As you turn bowls from green wood make sure you maintain a consistent wall thickness throughout the piece Leaving a piece thick in some areas and thin in others will cause the wood to dry unevenly and promote checks and cracks DISTORTION Distortion is a ...

Page 15: ... 3 Rotate workpiece by hand to check clearance 4 Face off top of bowl by making a light shearing cut across the top of workpiece from rim to center 5 Place 1 2 bowl gouge on toolrest at center of the workpiece with the flute facing top of bowl The tool handle should be level and pointed toward four o clock as shown in Figure 11 6 Use left hand to control cutting edge of gouge while right hand swin...

Page 16: ...nding marks around your finished piece Avoid rounding over the rim and foot with sandpaper try to keep details crisp Finish sanding with 220 grit 3 Remove sanding dust with tack rags or compressed air and with lathe turned off apply first coat of finish Let stand for several minutes wipe off excess Allow to dry before sanding again with 320 or 400 grit sandpaper 4 Turn lathe back on and continue t...

Page 17: ...Correct overload condition power 2 Undersize wires in supply system 2 Increase supply wire size 3 Low voltage 3 Request voltage check from power company and correct low voltage condition 4 Defective motor 4 Replace motor Tools tend to grab or dig in 1 Dull tools 1 Sharpen tools 2 Tool support set too low 2 Reposition tool support height 3 Tool support set too far from workpiece 3 Reposition tool s...

Page 18: ...Lathe Guard Bracket 1 24 6143004 Retaining Collar 2 25 6714003 Socket Set Screw 1 4 20 x 3 8 2 26 6644005 Plunger 1 27 6296165 Flat Washer 3 8 x 3 4 x 1 16 Thk 2 29 6294728 Guard Assembly 1 30 6295930 Head Spindle 1 31 3388100 Key 5 16 1 32 6294725 Spur Center 1 MT2 1 33 TS 0270011 Socket Set Screw 5 16 18 x 1 4 2 34 6295915 Control Pot 1 35 3578349 Control Panel 1 36 6295923 Clamp Washer 1 37 TS ...

Page 19: ...4 Speed Label 1 68 6294785 Control Panel Label 1 69 6294736 3 Face Plate 1 1 4 8 1 70 6294786 Spindle Lock Bracket 1 71 6294787 Power Cord 1 72 6294788 Control Cord 1 73 6294744 Face Plate Wrench 1 75 6294789 Motor Key 1 76 6294790 Motor Cord 1 77 6294791 Hex Nut 2 78 6295733 Brake Resistor 1 79 TS 0640091 Nylon Lock Hex Nut 3 8 16 1 80 TS 1502071 Socket Head Cap Screw M5 x 30 1 81 TS 1550031 Flat...

Page 20: ...20 Headstock Assembly 3520A Lathe ...

Page 21: ...cket Set Screw 10 32 x 1 1 22 6623086 Dowel Pin 1 23 6295909 Quill Lead Screw 1 26 6295918 Handwheel 1 28 6715013 Socket Set Screw 5 16 18 x 3 8 3 29 3708012 Tailstock Clamping Shaft 1 30 6294769 Hex Nut 1 31 6095038 Bushing 2 32 3268217 Tailstock Handle 1 33 6430045 Black Knob 1 34 3096003 Collar 1 37 6294772 Lock Washer 8 38 6295792 Socket Head Cap Screw 3 8 16 x 1 1 4 8 39 6516009 Hex Jam Nut P...

Page 22: ...22 Stand Bed Assembly 3520A Lathe ...

Page 23: ...on Items 6 thru 9 6 TS 0680041 Flat Washer 3 8 3 7 6295921 Short Bed 1 8 6716017 Socket Head Cap Screw 3 8 16 x 1 3 4 3 9 6861300 Lock Washer 3 8 3 6294726 50 Full Bed Extension Items 6 8 thru 14 6 TS 0680041 Flat Washer 3 8 3 8 6716017 Socket Head Cap Screw 3 8 16 x 1 3 4 3 9 6861300 Lock Washer 3 8 7 10 6516009 Plain Hex Jam Nut 3 8 16 2 11 6295920 Long Bed 1 12 3423053 Lathe Leg 1 13 6442000 Le...

Page 24: ...24 OPTIONAL ACCESSORIES Indexer Bed Extensions 3520A Lathe ...

Page 25: ...r not shown 4 6294730 12 Metal Spinning Tool Support Assembly Items 1 and 4 6294731 26 Tool Support Assembly Items 6 thru 8 7 6294795 Tool Support Post 8 6716219 Socket Head Cap Screw 3 8 16 x 6 1 4 9 6294740 Bowl Turning Tool Support R H 10 6294751 Bowl Turning Tool Support L H 11 6294741 16 Tool Support 12 6294739 6 Tool Support 6294742 14 Tool Support ...

Page 26: ...Duty Outboard Turning Stand Items 1 thru 9 1 3042503 Turning Stand Base 2 6295897 Offset Tool Support Pin 1 00 dia 3 6295898 Offset Tool Support Casting 1 00 hole 4 2695026 Screw Lock Assembly 7 3423055 Turning Stand Screw Leg 8 6861700 Lock Washer 5 8 9 6769002 Socket Head Cap Screw 5 8 18 x 2 ...

Page 27: ... 1 4 8 STD 2 6294737 4 Face Plate 1 1 4 8 OPT 3 6294738 7 Face Plate 1 1 4 8 OPT 4 6294744 Face Plate Wrench OPTIONAL ACCESSORY Part No Description 6294733 Remote ON OFF Switch OPTIONAL ACCESSORIES Part No Description 6294725 Spur Center 1 6294728 Guard Assembly 6294743 Knock Out Rod ...

Page 28: ...28 ELECTRICAL SCHEMATIC 3520A Lathe ...

Page 29: ...s through the opening in the back of the headstock and out through the front of the headstock STEP 4 Connect the remote switch wiring harness to the back of the Push Pull switch Refer to the electrical schematic on page 29 STEP 5 Reinstall the control panel to the headstock From the back of the headstock lightly pull out any excess wire that may be inside the headstock STEP 6 The magnetic back on ...

Page 30: ...30 ELECTRICAL SCHEMATIC 3520A Lathe with Remote Switch Optional ...

Page 31: ...31 ELECTRICAL SCHEMATIC 3520A School Lathe 1352002 ...

Page 32: ...32 ELECTRICAL SCHEMATIC 3520A School Lathe 2330009 Kit ...

Page 33: ...33 AC INVERTER READINGS Lathe Speed Chart ...

Page 34: ...o set screw holes should be pointing away from the headstock Using one of the tapped holes in the indexer as a guide place the center punch through one of the holes in the indexer With a hammer strike the end of the center punch making a mark on the headstock 3 Remove the indexer from the spindle 4 Using a 1 4 drill bit drill a hole at the mark made by the center punch 5 Install the indexer onto t...

Page 35: ...d Serial Number of your machine available when you call will allow us to serve you quickly and accurately Locating the stock number of the part s required from your parts manual will also expedite your order Phone No 800 248 0144 Fax No 800 274 6840 If you are calling from Canada please call 800 238 4746 E mail powermatic wmhtoolgroup com Website www powermatic com ...

Page 36: ...36 03 03 WMH Tool Group 427 Sanford Rd LaVergne TN 37086 Phone 800 248 0144 Fax 800 274 6840 E mail powermatic wmhtoolgroup com Website www powermatic com Powermatic ALL RIGHTS RESERVED ...