Delta 31-750 Instruction Manual
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Delta 31-750 Instruction Manual

Bench random orbital sander
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Bench Random Orbital Sander
(Model 31-750)
REVISED 3-29-99
PA RT NO. 1348132
'Delta International Machinery Corp. 1999

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Summary of Contents for Delta 31-750

  • Page 1 Bench Random Orbital Sander (Model 31-750) REVISED 3-29-99 PA RT NO. 1348132 'Delta International Machinery Corp. 1999...

  • Page 2: Table Of Contents

    Assembling Sander To Accessory St and ........

  • Page 3: Safety Rules F O R All To O L S

    If you have any questions relative to a particular applica- tion, DO N O T use the machine until you have first contacted Delta to determine if it can or should be performed on the product.

  • Page 4: Additional Safety Rules For All To O L S

    Your new random orbital sander is shipped complete in one container.Carefully unpack the sander and all loose items from the shipping container. Clean all loose pa r ts. Fig. 2, illustrates the sander and all loose pa r ts supplied with the machine.
  • Page 5 1 . Bench Random O r b i tal Sander 2 . Dust Bag 3 . Fence 4 . 5/16 Flat Washer (2) 5 . Fence Lock Knob (2) 6 . Abrasive Disc (Hook and Loop) 7 . Abrasive Disc...

  • Page 6: Assembling Abrasive Discs To Disc Plate

    2 . Remove backing (D) Fig. 6, from abrasive disc (E) and press the disc onto transition pad (C). ADJUSTING TABLE IMPORTA N T:Before operating the sander, t h e table surface must be positioned so it is slightly lower than the sanding disc.

  • Page 7: Assembling Fence To Table

    (C) in the table and fasten fence (B) to the t able from the top, with two lock knobs and flat washers (D). F i g . 11, illustrates the fence (B) assembled to the sander. F i g . 8 F i g .

  • Page 8: Assembling Dust Bag

    Align the four holes on the top of stand (A) F i g . 1 5 , w i t h four mounting holes at the base of sander (B) and fasten sander to the stand with four M8 x 45mm hex head screws (C), three of which are shown, eight flat washers and four hex nuts supplied.

  • Page 9: A C C E S S O Ry 31-752 Disc H O L D E R

    FASTENING S A N D E R TO A SUPPORTING S U R FA C E If during operation there is any tendency for the sander to tip over, s l i d e o r w a l k , t h e sander must be secured to the supporting surface using the four holes in the base of the machine.

  • Page 10: Grounding Instructions

    When using an extension cord, be sure to use one heavy enough to carry the current of the sander. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating.

  • Page 11: O P E R Ating Controls And Adjustments

    The on/off s w i t c h ( A ) Fig. 21, is located on the sander base. To turn the sander ON move the switch to the up p o s i t i o n . To turn the sander OFF move the switch to the down position.

  • Page 12: O P E R Ations

    PLEASE READ THE SAFETY RULES BEFORE OPERATING THE SANDER. The random orbital sander can be used with or without the fence depending on the application; however, we recommend that the fence be used whenever possible. Fig. 25, illustrates a typical edge sanding operation using the fence as a backstop.

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