Powermatic 31A Instruction Manual & Parts List
Belt & disc sander
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- Operating instructions and parts manual (32 pages) ,
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Summary of Contents for Powermatic 31A
- Page 1 BELT & DISC SANDER Model 31A Instruction Manual & Parts List M-0460267 (800) 274-6848 www.powermatic.com...
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Page 2: Wmh Tool Group Warranty
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. -
Page 3: Table Of Contents
Platen Adjustment... 10 Sanding Table Adjustment... 10 Work Stop ... 10 Belt Arm Positioning ... 11 Changing Motor Voltage ... 11 Operating the Sander ... 11 Template Forms... 11 Fence/Table ... 12 Types of Operations ... 13 Maintenance... 13 Lubrication ... 13 Grit Comparison Chart ... -
Page 4: Safety Rules
Make certain the work area is well lighted and that a proper exhaust system is used to minimize dust. Powermatic recommends the use of anti-skid floor strips on the floor area where the operator normally stands and that each machine’s work area be marked off. Provide adequate work space around the machine. - Page 5 Misuse. Do not use this Powermatic sander for other than its intended use. If used for other purposes, Powermatic disclaims any real or implied warranty and holds itself harmless for any injury or damage which may result from that use.
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Page 6: Safety Decal
SAFETY: Decal for Model 31A Sander Familiarize yourself with the location and content of this decal on your machine. 31A-102... -
Page 7: Specifications
Fence size ... 13” W x 7-1/2” L Net weight ... 246.4 lbs. NOTE: The above specifications were current at the time this manual was published, but because of our policy of continuous improvement, Powermatic reserves the right to change specifications without notice and without incurring obligations. -
Page 8: Receiving
(A mobile base for your sander is available from Powermatic – stock # 708221.) Mount the sander body (A) to the stand (B) with four M8 x 25 hex head screws, four M8 lock washers and four M8 flat washers as shown in Figure 3. -
Page 9: Adjustments
Run the sander without sanding for a short period to ensure the belt tracks properly and the disc adhesive sticks properly to the disc. -
Page 10: Platen Adjustment
90 degrees when the trunnion pointer is at zero WORK STOP Your sander is equipped with a work stop for use with the belt arm in the horizontal position (see Figure 17). When installed, the work stop will prevent a work piece from being thrown from the belt. -
Page 11: Belt Arm Positioning
OPERATING THE SANDER The belt and disc sander can be equipped with a variety of abrasives and grit sizes to handle a wide variety of materials, from soft woods to hardened steel. It can be used to rapidly remove material and produce a mirror finish. -
Page 12: Fence/Table
Figure 13. Remove the fence attachment and rotate the pivot plate (D) 180 degrees lining the holes up with the holes in the sander. See Figure 15. Place the fence attachment on the pivot plate with the table perpendicular to the belt. -
Page 13: Types Of Operations
Miters and compound miter cuts can be sanded using the table and the optional miter gauge (available from your Powermatic dealer). Special fixtures can also be designed to use on the table for circular and form sanding. -
Page 14: Grit Comparison Chart
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”... -
Page 15: Troubleshooting
TROUBLE SHOOTING for Model 31A Sander Problem Cause Machine fails to start. 1. Faulty switch. 2. Bad motor. 3. Not connected to power source. 4. Connected to wrong voltage. Belt won’t track. 1. Platen shifted or worn. 2. Drum is worn. -
Page 16: Parts Lists & Exploded Views
PARTS LIST: Body Assembly (Model 31A Sander) Part No. Description 31A-1 Cast Base ... 1 31A-2 Dust Chute (Disc) ... 1 31A-3 Sanding Disc ... 1 31A-4 Disc Table... 1 31A-5 Trunnion... 2 31A-6 Stop Bracket... 1 31A-7 Trunnion Holder... 2 31A-8 Set Screw, M10 x 55 ... - Page 17 Part No. Description 31A-51 Set Screw, M6 x 8... 1 31A-52 Lock Washer, M16... 2 31A-53 Hex Head Flange Bolt, M6 x 20... 4 31A-54 Lock Washer, M6... 2 31A-55 Hex Head Bolt, M6 x 8... 2 TS-1504041 Socket Head Cap Screw, M8 x 20... 2 TS-1551051 Lock Washer, 8mm...
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Page 18: Body Assembly
Body Assembly (Model 31A Sander) - Page 19 TS-1523041 Socket Set Screw, M6 x 12 ... 1 31A-100 Pan Head Screw, M4 x 5 ... 2 31A-101 Spacer Washer ... 2 31A-99 Hex Nut, M10... 2 TS-1550071 Flat Washer, M10 ... 2 31A-102 Warning Label - Model 31A Sander (not shown) ... 1 Quantity...
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Page 20: Stand Assembly
Stand Assembly (Model 31A Sander) -
Page 21: Electrical Schematics
ELECTRICAL SCHEMATIC (Model 31A Sander) - Page 22 ELECTRICAL SCHEMATIC (Model 31A Sander)
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Page 23: Electrical Schematics
ELECTRICAL SCHEMATIC (Model 31A Sander) - Page 24 ELECTRICAL SCHEMATIC (Model 31A Sander)
- Page 27 Locating the stock number of the part(s) required from your parts manual will also expedite your order. Phone No.: (800) 274-6848 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 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...
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