Craftsman 315.277251 Owner's Manual

3 in. belt sander
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Owner's Manual
3 in. BELT SANDER
Electronic Variable Speed / Dustless
Double Insulated
Model No.
315.277251
Save this manual for
future reference
CAUTION:
Read and
follow all Safety Rules
and Operating Instruc-
tions before first use of
this product.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA
972000-491
5-01
®
A
R

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  Summary of Contents for Craftsman 315.277251

  • Page 1 Owner's Manual ® 3 in. BELT SANDER Electronic Variable Speed / Dustless Double Insulated Model No. 315.277251 Save this manual for future reference CAUTION: Read and follow all Safety Rules and Operating Instruc- tions before first use of this product.
  • Page 2: Table Of Contents

    GENERAL Your Craftsman Professional Belt Sander is suitable for coarse, medium and fine sanding of wood, metals, plastics and other materials. It is ideal when used for smoothing rough boards, chamfering, rounding edges and many other general sanding applications. It is also an excellent tool for removing paint, varnishes, and stains. Its...
  • Page 3: Rules For Safe Operation

    RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and the explanations with them, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures.
  • Page 4 RULES FOR SAFE OPERATION (Continued) exceeding 100 feet is not recommended. If in WEAR PROPER APPAREL. Do not wear loose doubt, use the next heavier gage. The smaller clothing or jewelry that can get caught in tool's the gage number, the heavier the cord. moving parts and cause personal injury.
  • Page 5: Rules For Safe Operation

    WHEN SERVICING USE ONLY IDENTICAL particles. CRAFTSMAN REPLACEMENT PARTS. SAVE THESE INSTRUCTIONS. Refer to them frequently and use them to instruct others who may use this tool. If you loan someone this tool, loan them these instructions also.
  • Page 6: Product Specifications And Unpacking

    PRODUCT SPECIFICATIONS Input 6.0 Amperes Belt Size 3 in. x 21 in. Rating 120 volts, 60 Hz, AC Overall Length 17 in. No Load Speed 775 - 1,150 ft./min. Net Weight 8 lbs. UNPACKING Your belt sander has been shipped completely WARNING: If any parts are missing, do not assembled except for the sanding belt and dust bag.
  • Page 7 FEATURES REAR HANDLE FRONT HANDLE DRIVE ROLLER LOCK-ON BUTTON BELT TENSION RELEASE LEVER SANDING BELT FRONT VARIABLE SPEED ROLLER CONTROL DIAL REAR HANDLE SWITCH TRIGGER FRONT HANDLE DUST SANDING BELT TRACKING SCREW Fig. 1 WARNING: Do not allow familiarity with your sander to make you careless. Remember that a careless fraction of a second is sufficient to inflict severe injury.
  • Page 8: Adjustments

    ADJUSTMENTS WARNING: Your sander should never be ELECTRICAL CONNECTION connected to power supply when you are Your belt sander has a precision built electric motor. It assembling parts, changing belts, making should be connected to a power supply that is 120 adjustments, cleaning, or when not in use.
  • Page 9 ADJUSTMENTS INSTALLING/REMOVING SANDING BELT Install sanding belt making sure arrow inside of belt is pointing in the direction of rotation, which is Unplug your sander. clockwise when looking into open side of sander. NOTE: The arrow inside sanding belt indicates the WARNING: Failure to unplug your sander could belt's direction of rotation, while the direction of...
  • Page 10 ADJUSTMENTS TO ADJUST SANDING BELT TRACKING WARNING: If sanding belt begins to wear excessively on the inner edge, readjust tracking WARNING: Before connecting your sander to screw. It is adjusted too far inward and the sanding belt is rubbing against internal parts. power supply, always check to be sure it is not in lock-on position (depress and release switch trigger).
  • Page 11: Operation

    OPERATION WARNING: WARNING: Always wear safety goggles or Keep hands and fingers clear of safety glasses with side shields when operating moving sanding belt, front pulley, and drive roller your sander. Failure to do so could result in assembly. Failure to do so will result in the objects being thrown into your eyes, resulting in sanding of your hands or fingers.
  • Page 12 OPERATION Clamp or otherwise secure the work to prevent it from VARIABLE SPEED moving under your sander. See Figure 8. WARNING: Unsecured work could be thrown back toward operator causing injury. Before placing sander on work surface, squeeze the switch trigger and let the motor reach its maximum speed, then lower your sander to the work surface with a slight forward motion.
  • Page 13 OPERATION SETTING THE BELT SANDER SPEED Refer to the chart below for belt sander speed selections. BELT GRIT SPEED MATERIAL • • UNDRESSED TIMBER • • SOFTWOOD • • CHIPBOARD • VENEER TIMBER • • RUST REMOVAL • • PAINTED SURFACE •...
  • Page 14: Maintenance

    WARNING: When servicing, use only identical Force old timing belt from small pulley with a Craftsman replacement parts. Use of any other screwdriver and remove it from large pulley. If it is part may create a hazard or cause product worn out, simply cut the old timing belt and damage.
  • Page 15 MAINTENANCE SWITCH REPLACEMENT Lift the switch away from the handle. See Figures 12 and 13. Using a small flat blade screwdriver, loosen the Unplug your sander. screw terminal for each switch lead. See Figure 13. SWITCH WARNING: WHITE WHITE POWER Failure to unplug your sander could SWITCH LEAD CORD LEAD...
  • Page 16 MAINTENANCE SWITCH WHITE POWER CORD REPLACEMENT CORD LEAD See Figures 14 and 15. Unplug your sander. WARNING: Failure to unplug your sander could result in accidental starting causing possible serious personal injury. Remove the handle cover screws and handle cover. Note the locations of all wiring in the handle BLACK POWER and how each connection is made to the switch.
  • Page 17: Maintenance

    MAINTENANCE GENERAL LUBRICATION Only the parts shown on parts list, page nineteen, are All of the bearings in this tool are lubricated with a intended to be repaired or replaced by the customer. sufficient amount of high grade lubricant for the life of All other parts represent an important part of the the unit under normal operating conditions.
  • Page 18: Exploded View And Repair Parts List

    CRAFTSMAN PROFESSIONAL 3 in. BELT SANDER MODEL NUMBER 315.277251 SEE NOTE "A" PAGE 19 9 10...
  • Page 19: Parts List

    CRAFTSMAN PROFESSIONAL 3 in. BELT SANDER - MODEL NUMBER 315.277251 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your BELT SANDER or when ordering repair parts.
  • Page 20: Parts Ordering / Service

    Get it fixed, at your home or ours! For repair of major brand appliances in your own home… no matter who made it, no matter who sold it! 1-800-4-MY-HOME Anytime, day or night (1-800-469-4663) www.sears.com To bring in products such as vacuums, lawn equipment and electronics for repair, call for the location of your nearest Sears Parts &...