Delta 31-250 Instruction Manual

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Page 1 - INSTRUCTION MANUAL

INSTRUCTION MANUAL18" x 36" Drum Sander(Models 31-250, 31-255X)PART NO. 406-13-651-0021 - 06-19-03Copyright © 2003 Delta MachineryTo learn m

Page 2 - GENERAL SAFETY RULES

10OPERATING CONTROLS AND ADJUSTMENTSFig. 12Fig. 13Fig. 15BABCBSTARTING AND STOPPING THEMACHINE1. The drum motor on/off switch (A) Fig. 12 is locatedun

Page 3

11CHECKING AND ADJUSTING FEEDBELT TRACKING AND TENSIONIMPORTANT: READ THIS COMPLETE SECTION BEFORE MAKING ANY ADJUSTMENTS TO BELT TRACKING ORTENSION.

Page 4 - FOR DRUM SANDERS

12Fig. 221. Run a piece of lumber through the drum sander (Fig. 22) to finish one side of the board.2. Use a square (A) Fig. 23 to measure the thickne

Page 5 - GROUNDING INSTRUCTIONS

3. Use a 9/16” socket with an extension (not supplied).Place it in one of the two holes where the hole plugs wereremoved. Loosen one hex bolt, then th

Page 6 - FUNCTIONAL DESCRIPTION

14DUST COLLECTIONThe drum cover has a 4” O.D. dust chute (A) Fig. 35 thatconnects to a dust collection system.NEVER OPERATE THIS MACHINEWITHOUT FIRST

Page 7 - DRUM SANDER PARTS

15WHAT FACTORS AFFECT SANDING OPERATIONS?A. SANDING BELT GRIT1. 36 grit – Used for very aggressive stock removal, glue removal, or for sanding rough b

Page 8 - ASSEMBLY

16WHAT CAUSES BURN MARKSBurning the wood can be caused by several things. We suggest checking for; sanding belt overlap on the drum wrap, sanding pape

Page 9 - FEED/SPEED SWITCH ASSEMBLY

17HOW DO I SAND GLUED BOARDS?1. Glue the boards as flat as possible at the outset.2. Remove excess glue from the top and bottom before it dries.3. Use

Page 10 - TABLE FEED/SPEED SWITCH

18STEP 1 - TENSION ON TIMING BELT1. The timing belt should be checked for the correcttension. If the belt is too tight, the table will be difficult to

Page 11 - THE FEED TABLE

19from turning and tighten the socket head screw(B) withthe 3/16" hex wrench.4. With the support plate level, try moving the table upand down.5.

Page 12 - DRIVE BELT

2Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.Indicates a potentially hazardous situation

Page 13 - SANDING BELT

20MAINTENANCEMAKE CERTAIN THE MACHINE IS DISCONNECTED FROM THE POWER SOURCE BEFOREPERFORMING MAINTENANCE PROCEDURES.1. Periodically clean or vacuum th

Page 16

23PARTS, SERVICE OR WARRANTY ASSISTANCEAll Delta Machines and accessories are manufactured to high quality standards and are serviced by a networkof P

Page 17 - HOW DO I GET STARTED?

The following are trademarks of PORTER-CABLE·DELTA (Las siguientes son marcas registradas de PORTER-CABLE S.A.): Auto-Set®,BAMMER®, B.O.S.S.®, Builder

Page 18 - SUPPORT PLATE

3FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY.1. FOR YOUR OWN SAFETY, READ THE INSTRUC-TION MANUAL BEFORE OPERATING THEMACHINE.

Page 19 - SCREW BUSHINGS

4FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY.ADDITIONAL SAFETY RULESFOR DRUM SANDERS SAVE THESE INSTRUCTIONS. Refer to them of

Page 20 - MAINTENANCE

5A separate electrical circuit should be used for your machines. This circuit should not be less than #12 wire and shouldbe protected with a 20 Amp ti

Page 21

6Use proper extension cords. Make sure your extension cord is in good condition and is a 3-wireextension cord which has a 3-prong grounding type plug

Page 22

7CAUTION TAGCAUTION: Pay close attention to caution tagsattached to this machine and follow these instructionsprecisely. This machine is heavy. Remove

Page 23 - ACCESSORIES

8ATTACHING LEGS This machine is heavy. Use two or morepeople when lifting.1. With the machine on its back, resting on the twowood blocks (not supplied

Page 24 - • DELTA)

9Fig. 7ATTACHING THICKNESS SCALE1. Remove screw and washer (A) Fig. 7.2. Place thickness scale (B) Fig. 8 over the hole and replace screw and washe

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