Trimmer 1/4” MODEL 3707F 001980 DOUBLE INSULATION I N S T R U C T I O N M A N U A L WARNING: For your personal safety, READ and UNDERSTAND before using. SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE. w w w. m a k i t a t o o l s.
SPECIFICATIONS Model 3707F Collet chuck capacity 1/4” No load speed (RPM) 35,000/min. Overall length 204 mm (8”) Net weight 1.2 kg (2.6 lbs) • Manufacturer reserves the right to change specifications without notice. • Specifications may differ from country to country. GENERAL SAFETY RULES USA002-2 (For All Tools) WARNING: Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury.
5. Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded. 6. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. 7. Do not abuse the cord. Never use the cord to carry the tools or pull the plug from an outlet. Keep cord away from heat, oil, sharp edges or moving parts. Replace damaged cords immediately.
SERVICE 23. Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified personnel could result in a risk of injury. 24. When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance instructions may create a risk of electric shock or injury. USE PROPER EXTENSION CORD: Make sure your extension cord is in good condition.
9. Before using the tool on an actual workpiece, let it run for a while. Watch for vibration or wobbling that could indicate improperly installed bit. 10. Be careful of the bit rotating direction and the feed direction. 11. Do not leave the tool running. Operate the tool only when hand-held. 12. Always switch off and wait for the bit to come to a complete stop before removing the tool from workpiece. 13. Do not touch the bit immediately after operation; it may be extremely hot and could burn your skin. 14.
FUNCTIONAL DESCRIPTION • 001981 1 2 4 CAUTION: Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Adjusting bit protrusion To adjust the bit protrusion, loosen the lever and move the tool base up or down as desired by turning the adjusting roller. After adjusting, tighten the lever firmly to secure the tool base. 3 1. 2. 3. 4. Base Lever Scale Adjusting roller 001982 1 1.
001983 1 Installing or removing trimmer bit 2 • CAUTION: Do not tighten the collet nut without inserting a bit, or the collet cone will break. • Use only the wrenches provided with the tool. 3 Insert the bit all the way into the collet cone and tighten the collet nut securely with the two wrenches. To remove the bit, follow the installation procedure in reverse. OPERATION Set the tool base on the workpiece to be cut without the bit making any contact.
001985 2 • 3 When using the trimmer shoe, the straight guide or the trimmer guide, be sure to keep it on the right side in the feed direction. This will help to keep it flush with the side of the workpiece. 1 • 4 1. 2. 3. 4. Feed direction Bit revolving direction Workpiece Trimmer shoe, straight guide 001986 CAUTION: Since excessive cutting may cause overload of the motor or difficulty in controlling the tool, the depth of cut should not be more than 3 mm (1/8”) at a pass when cutting grooves.
001989 Straight guide (optional accessory) The straight guide is effectively used for straight cuts when chamfering or grooving. 001990 Attach the guide plate to the straight guide with the bolt, the wave washer, the flat washer and the wing nut. 001991 Attach the straight guide with the clamp screw (A). Loosen the wing nut on the straight guide and adjust the distance between the bit and the straight guide. At the desired distance, tighten the wing nut securely. 1 2 3 4 5 6 1. 2. 3. 4. 5. 6.
Circular work Circular work may be accomplished if you assemble the straight guide and guide plate as shown in the figure. Min. and max. radius of circles to be cut (distance between the center of circle and the center of bit) are as follows: Min.: 70 mm (2-3/4”) Max.: 221 mm (8-11/16”) 001993 2 3 1 6 4 5 7 1. 2. 3. 4. 5. 6. 7. For cutting circles between 70 mm (2-3/4”) and 121 mm (4-3/4”) in radius.
001995 1 2 Align the center hole in the straight guide with the center of the circle to be cut. Drive a nail less than 6 mm (1/4”) in diameter into the center hole to secure the straight guide. Pivot the tool around the nail in clockwise direction. 3 1. Nail 2. Center hole 3. Straight guide 001996 Trimmer guide Trimming, curved cuts in veneers for furniture and the like can be done easily with the trimmer guide. The guide roller rides the curve and assures a fine cut. 001997 4 1 2 3 1. 2. 3. 4.
MAINTENANCE • 001145 CAUTION: Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. Replacing carbon brushes Remove and check the carbon brushes regularly. Replace when they wear down to the limit mark. Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same time. Use only identical carbon brushes. 1 1. Limit mark 001999 1 2 Use a screwdriver to remove the brush holder caps.
Cut First-Class Postage Required Post Office will not deliver without proper postage. Makita U.S.A., Inc.
MAIL THIS PORTION Your answer to the following questions are appreciated. 1. This product was purchased from: Home Center 3. How did you learn about this product: Magazine Radio Hardware/Lumber Store From Dealer Exhibition Tool Distributor Newspaper From Friend Industrial Supply Store Display Previous Usage Construction Supply Catalog Other ( Other ( ) 2. Use of the product is intended for: ) 4.
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WARNING Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • lead from lead-based paints, • crystalline silica from bricks and cement and other masonry products, and • arsenic and chromium from chemically-treated lumber. Your risk from these exposures varies, depending on how often you do this type of work.
