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Powermatic 31A manual

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Table of contents for the manual

  • Page 1

    BELT & DISC SANDER Model 31A Instruction Manual & Parts List M-0460267 (800) 274-6848 www.powermatic.com[...]

  • Page 2

    2 This manual has been prepared for the owner and operators of a Powermatic Model 31A Belt & Disc Sander. Its purpose, aside from machine operation, is to promote safety through the use of accepted correct operating and maintenance procedures. Completely read the safety and maintenance instructions before operating or servicing the machine. To [...]

  • Page 3

    3 TABLE OF CONTENTS Safety Rules ................................................................................................................... ............................................ 4-5 Safety Decal ................................................................................................................... .......................[...]

  • Page 4

    4 ! SAFETY RULES As with all machines, there is a certain amount of hazard in volved with the use of this sander. Use the machine with the respect and caution demanded where safety precautions are concerned. When normal safety precautions are overlooked or ignored, personal inju ry to the operator can result. Read, understand and follow the safety [...]

  • Page 5

    5 Machine adjustments. Make all machine adjustments with power off except belt tracking. Belt tracking should be checked manually before starting the sander, but final adj ustment may have to be made after starting up the sander. Table safety. Be sure the table is locked in position before placing stock on it and that its front edge is within 1/16?[...]

  • Page 6

    6 ! SAFETY: Decal for Model 31A Sander Familiarize yourself with the location and content of this decal on your machine. 31A-102[...]

  • Page 7

    7 SPECIFICATIONS: Model 31A Sander FIGURE 1 Disc size ...................................................................................................................... .................................................... 12” Disc s peed ..........................................................................................................[...]

  • Page 8

    8 RECEIVING Remove the sander and base and any loose parts from their containers. Check for damage and ensure all parts are intact. Any damage should be reported to your distributor and shipping agent immediately upon discovery. Before proceeding with assembly, read the manual thoroughly; familiarize yourself with correct assembly and maintenance p[...]

  • Page 9

    9 WARNING: Electrical w iring should be done by a qualified electrician. The machine must be properly grounded to help av oid electrical shock and associated hazards including possible death. ADJUSTMENTS Before putting power to the sander, inspect the machine thoroughly. Check to ensure that all screws are tight, all mechanical functions work freel[...]

  • Page 10

    10 3. Make final adjustments to the tracking by momentarily starting and stopping the motor while at the same time adjusting the tracking screw (F), Figure 5, at the side of the belt arm. To lock the screw in place, rotate the tracking screw locking nut (G) against the belt arm. PLATEN ADJUSTMENT Due to wear, occasionally the platen may have to be [...]

  • Page 11

    11 positions of the arm). Use a 10mm hex wrench to remove or install the work stop. BELT ARM POSITIONING Your sander is equipped with a shot pin arrangement to lock the belt arm in 0-degree, 45-degree, and 90 degree positions. To position the belt, loosen the locking handle (A) shown in Figure 10. Pull out on the shot pin (B), shown in Figure 11, a[...]

  • Page 12

    12 FENCE/TABLE The fence attachment is used with the belt sander and can be positioned alternately as a table (with the belt arm in upright position) or as a fence (with the belt arm in horizontal position). The fence attachment surface has a slot for a mitre gauge when the attachment is used as a table. The fence attach ment can be tilted between [...]

  • Page 13

    13 TYPES OF OPERATIONS Flat surface sanding is demonstrated in Figure 16, where the major surface is sanded in a flat plane. Edge sanding is a common type of long surface sanding that can be done using the fence. See Figure 17. Edge sanding and flat surface sanding can also be done with the belt in a vertical position, by using the fence assembly a[...]

  • Page 14

    14 GRIT COMPARISON CHART Accessories SANDING BELTS 57617110 6” x 48” Sanding Belt, 24 Grit, Closed Coat* 57617210 6” x 48” Sanding Belt, 40 Grit, Closed Coat 57617410 6” x 48” Sanding Belt, 60 Grit, Closed Coat 57617510 6” x 48” Sanding Belt, 80 Grit, Closed Coat 57617610 6” x 48” Sanding Belt, 100 Grit, Closed Coat 57617710 6?[...]

  • Page 15

    15 TROUBLE SHOOTING for Model 31A Sander Problem Cause Solution Machine fails to start. 1. Faul ty switch. 1. Replace switch. 2. Bad motor. 2. Replace motor. 3. Not connected to power source. 3. Check connection. 4. Connected to wrong voltage. 4. Reconnect to correct voltage. Belt won’t track. 1. Platen shifted or worn. 1. Raise platen to1/32” [...]

  • Page 16

    16 PARTS LIST: Body Assembly (Model 31A Sander) No. Part No. Description Quantity 1 31A-1 Cast Base ........................................................................................................... 1 2 31A-2 Dust C hute (Di sc) ............................................................................................... 1 3 31A-3 Sandi [...]

  • Page 17

    17 No. Part No. Description Quantity 57 31A-51 Set Scre w, M6 x 8 ............................................................................................... 1 58 31A-52 Lock Wa sher, M16 .............................................................................................. 2 59 31A-53 Hex Head Flange Bolt, M6 x 20 .....................[...]

  • Page 18

    18 Body Assembly (Model 31A Sander)[...]

  • Page 19

    19 PARTS LIST: Stand Assembly (Model 31A Sander) No. Part No. Description Quantity 1 31A-78 Stand................................................................................................................. .. 1 2 31A-79 Dust Outlet .......................................................................................................... 1 3 31[...]

  • Page 20

    20 Stand Assembly (Model 31A Sander)[...]

  • Page 21

    21 ELECTRICAL SCHEMATIC (Model 31A Sander)[...]

  • Page 22

    22 ELECTRICAL SCHEMATIC (Model 31A Sander)[...]

  • Page 23

    23 ELECTRICAL SCHEMATIC (Model 31A Sander)[...]

  • Page 24

    24 ELECTRICAL SCHEMATIC (Model 31A Sander)[...]

  • Page 25

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    26[...]

  • Page 27

    27 To order parts or reach our serv ice department, please call our toll-free number between 8:00 a.m. and 4:30 p.m. (CST), Monday through Friday. Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately. Locat ing the stock number of the part(s) required from your parts man[...]

  • Page 28

    28 07/02 WMH Tool Group P.O. Box 1349 Auburn, WA 98071-1349 Phone:(800) 274-6848 Fax: (800) 274-6840 E-mail: powermatic@wmhtoolgroup.com Website: www.powermatic.com  Powermatic ALL RIGHTS RESERVED[...]