Powermatic 3520B - Manual

8 Assembly Tools required for assembly Forklift or hoist with straps/slings 14mm wrench 4mm and 8mm hex wrenches The Lathe should be disconnected from power during assembly. 1. Remove any screws or straps that hold the Lathe parts to the pallet, and remove protectiv e wrapping. 2. The Lathe should b...

9 8. The levelers can be adjusted at any time to ensure the Lathe is stable and level. 9. Set the Lathe right side up (or remove it from the table). 10. Exposed metal areas of the Lathe, such as the bed and spindles, hav e been factory coated with a protectant. This should be removed with a soft clo...

12 1. Mark your hole centers (2” centers) along the length of a 2x6. Place the holes so that the tops of the dowels will be even with the tops of the ledges on the Lathe. Also, adjust your hole centers as necessary so that the first and last dowel will begin at approximately the same distance from t...

13 Repair or replace a damaged or worn cord immediately. The Lathe will operate on single phase or three phase, 230 v olt power supply. The Lathe should be connected to a dedicated circuit. Make sure the characteristics of your power supply match the specifications on the motor plate of the Lathe. S...

14 To remove headstock, tailstock or toolrest base from the bed, unscrew and remov e either of the stop bolts (B, Figure 14). After re-mounting these items on the Lathe, re-insert the stop bolt. For most turning operations, except outboard turning, the headstock should be positioned at the left end ...

15 Live Center and Cone The live center cone, shown in Figure 17, screws clockwise onto the threads of the live center body. To remove the cone from the live center, first insert the live center pin through the hole in the liv e center body as shown in Figure 17. If the pin will not insert at first,...

16 3. To remove a spur center or live center, first remove the workpiece from the Lathe. Insert the knockout rod (Figure 20) through the hole in the handwheel and firmly tap the tapered end of the spur center. The sliding collar on the knockout rod helps giv e the necessary impact without having to ...

17 2. Install the comparator spur center into the headstock bracket, by lifting up on the spring pin and inserting the comparator spur center until its point is about ev en with the point of the spur center in the headstock spindle. See Figure 23. The spring pin in the bracket should engage one of t...

18 Sheave and Belt Alignment The motor and spindle sheav es are aligned with each other at the factory, but if any service is performed that affects their alignment it is very important that they be realigned. To realign them, loosen the two set screws on the spindle sheav e (C, Figure 25) with a he...

19 1. Disconnect Lathe from power source. 2. Loosen the pivot lock handle (A, Figure 25) and lift up the tension handle (B, Figure 25) to raise the motor. 3. Tighten the pivot lock handle (A, Figure 25) to hold the motor in the raised position. Slip the belt off the pulleys. 4. Loosen the two set sc...

20 (B) Forward/Reverse When turning with a face plate, make sure both set screws on the face plate are tight (see Figure 22) before reversing the spindle. Failure to comply may cause the face plate to spin loose from the spindle. (C) Speed Control Dial: Always start the Lathe at the lowest speed, wi...

21 4. Bed ways; keep clean, use steel wool to remove any rust spots, and apply paste wax to prev ent buildup of rust and finishes. 5. Tool support; use a mill file to remov e nicks and dings. 6. Spindle tapers; should be clean and free of dust and chips for proper seating of tapers. 7. Tailstock; cl...

22 Carbon steel tools can ov erheat 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 not as likely to ov erheat, but can be damaged if allowed to get red hot. High-speed steel tools should not b...

23 7. Support the workpiece while bringing the tailstock into position about 1” away from the end of the workpiece. Lock the tailstock to the bed. 8. Adv ance the tailstock spindle with the handwheel in order to seat the live center into the workpiece. Use enough pressure to secure the workpiece bet...

25 Face Plate and Bowl Turning Face plate turning is normally done on the inboard side of the headstock ov er the bed. Larger workpieces must be turned on the outboard side (remove tailstock and tool support base, and mov e headstock to opposite end of bed). See Figure 9. Mounting Stock Use of a fac...

26 Distortion Distortion is a problem associated with turning green wood. It will vary from one type of wood to the next. Typically, fruitwoods tend to distort more than others. It also v aries with the time of year the tree was cut and how the logs are stored. Tools for Bowl Turning The deep fluted...

27 Figure 38 6. Use the left hand to control cutting edge of gouge, while right hand swings tool handle around toward your body (Figure 38). The flute should start out facing top of workpiece, and rotate upward as it mov es deeper into the bowl to maintain a clean ev en curve. As the tool goes deepe...

28 Indexer Positions How to use the chart The indexer is shown as viewed from the tailstock end of the Lathe. Points A, B, C and D are the holes in the head casting. The holes in the spindle collar may be considered as numbered 1 through 12. Example: You wish to rout 9 flutes on your spindle blank. ...

29 Troubleshooting Trouble Probable Cause Remedy Power line overloaded. Correct overload condition. Undersize wires in power supply system. Increase supply wire size. Faulty inverter. Contact WMH Technical Service. Motor fails to develop full power. Worn motor. Replace motor. Excessiv e cut. Reduce ...

30 Recommended Lathe Speeds (per diameter of workpiece) DIAMETER OF WORK ROUGHING RPM GENERAL CUTTING RPM FINISHING RPM Under 2" 1520 3000 3000 2 to 4" 760 1600 2480 4 to 6" 510 1080 1650 6 to 8" 380 810 1240 8 to 10" 300 650 1000 10 to 12" 255 540 830 12 to 14" 220 460 7...

32 Parts List: Headstock Assembly Index No. Part No. Description Size Qty 1 ............... 6294736 .................. Faceplate........................................................... 3” ............................... 1 2 ............... 6295796 .................. Nyloc Insert Socket Set Screw ...

35 Parts List: Stand and Bed Assembly Index No. Part No. Description Size Qty 1 ............... 3520B-101 .............. Bed.................................................................... ................................... 1 2 ............... 3520B-102 .............. Leg .........................

36 Optional Accessories: Bed Extensions Index No. Part No. Description Size Qty ................. 6294727B ............... 18” Bed Extension Assembly (includes items 1 thru 6) 1 ............... 3520B-310 .............. Extension Post................................................... ..................

37 Optional Accessories: Outboard Turning Stand Index No. Part No. Description Size Qty. ................. 6294732 .................. Heav y Duty Outboard Turning Stand Assembly (items 1 thru 7) ............... 1 ............... 3042503 .................. Turning Stand Base ............................

38 Optional Accessories: Adapters, Face Plates, and Tool Supports Index No. Part No. Description Size Qty. 1 ............... 6294734 .................. Spindle Adapter ..................................... 1-1/4”-8 to 1-1/2”-8 .................... 2 ............... 6294735 .................. Spindle...

39 Optional Accessories: Dust Port Assembly Index No. Part No. Description Size Qty ................. 6294796 .................. Dust Port Assembly (includes index #1 thru 12) 1 ............... 3520B-401 .............. Lower Dust Hood ............................................... ....................

44 WMH Tool Group 2420 Vantage Drive Elgin, Illinois 60124 Phone: 800-274-6848 www.wmhtoolgroup.com