Groove Cutter MODEL 3803A 004818 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.
SPECIFICATIONS Model 3803A Max. cutter blade size 46 mm x 120 mm (1-13/16” x 4-3/4”) Max. cutting depth 31 mm (1-7/32”) No load speed (RPM) 9,000/min. Overall length 411 mm (16-3/16”) Net weight 6.8 kg (15 lbs) • Manufacturer reserves the right to change specifications without notice. • Specifications may differ from country to country. GENERAL SAFETY RULES USA001-3 (For All Tools) WARNING: Read and understand all instructions.
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.
SPECIFIC SAFETY RULES USB084-1 DO NOT let comfort or familiarity with product (gained from repeated use) replace strict adherence to groove cutter safety rules. If you use this tool unsafely or incorrectly, you can suffer serious personal injury. 1. Inspect for and remove nails or foreign matter from the workpiece before operation. 2. Check the cutter blade carefully for cracks or damage before operation. Replace cracked or damaged cutter blade immediately. 3. Secure the workpiece firmly. 4.
FUNCTIONAL DESCRIPTION • 004819 2 1 CAUTION: Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Adjusting the depth of cut Loosen the knob on the belt cover. Move the handle up or down until the indication plate indicates the graduation for the depth of cut desired. The tighten the knob securely. Each increment on the depth indicator indicates 3 mm (1/8”) cutting depth. 3 1. Depth indicator 2. Indication plate 3. Knob 004820 1 2 3 4 5 1.
004822 • 1 When using cutter blades 110 mm (4-3/8”) in diameter, simply re-install the indication plate upside down and adjust it so that it points to the “0” graduation. 2 3 1. When using cutter blades 110 mm (4-3/8”) in dia. 2. Depth indicator 3. Indication plate 004823 Adjusting the scale plate Loosen the screws which secure the scale plate.
004825 Installing or removing cutter blade To remove the cutter blade, loosen the wing bolt and take off the cutter cover. Hold the outer flange with wrench 21 and loosen the hex nut with wrench 19 by turning counterclockwise. Remove the hex nut, outer flange and cutter blade. 1 2 3 1. Wrench 19 2. Wrench 21 3. Hex nut 004826 1 2 3 1. 2. 3. 4. 2 4 When using cutter blades 7.5 mm (5/16”) wide or less, install a flange 35 between the cutter blade and the flange as shown in the figure.
Side plates The side plates help to prevent splintering of workpiece. This tool is equipped with two side plate 21 - 30 (originally installed on the tool), a side plate 2.4 - 18 (provided as a standard equipment) and a side plate 33 - 46 (provided as a standard equipment). Use the correct combination for the cutter blade to be used. Refer to the table below. C00105 Width of cutter blade to be used 004829 1 3 2 Correct combination On cutter cover side On belt cover side 2.
004831 2 Align the right side of the cutting blade with the cutting line. Move the guide rule until the shiplapping attachment contacts the side of the workpiece. Then tighten the wing bolt firmly to secure the guide rule. 1 3 4 5 1. 2. 3. 4. 5. Depth of cut Guide rule Shiplapping attachment Width of cut Width of cutter blade 004832 3 2 1 1. Cutting line 2. Foot plate 3. Miter guide rule (Angle guide) 004833 A 1 2 1. Cutter blade 2. Indicator A-0.5 mm(0.
004834 Firmly clamp a straight board to the workpiece parallel to the cutting line and use it as a guide against the dado cutting guide rule. Adjust the dado cutting guide rule so that the arrow on the scale plate is aligned with the cutting line. The best distance between the cutting line and the guide (straight board) is approximately 150 mm (5-29/32”). 1 2 3 1. 2. 3. 4. Dado cutting guide rule (optional accessory) 4 Straight board Dado cutting guide rule Approx.
004836 The handy guide rule allows you to make accurate straight cuts parallel to a straight edge of a workpiece. Loosen the wing bolt which secures the guide rule. Align the appropriate arrow on the scale plate with the cutting line. Move the guide rule until it contacts the side of the workpiece. Tighten the wing bolt to secure the guide rule. 1 2 3 1. 2. 3. 4.
ACCESSORIES • CAUTION: These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose. If you need any assistance for more details regarding these accessories, ask your local Makita service center. • Cutter blades C00106 Width (mm) For groove cutting Dia. 120 mm (4-3-4”) For dado cutting Dia. 110 mm (4-3/8”) 2.
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Cut Stamp Timbre Makita Canada Inc.
Your answers to the following questions are appreciated. 1. This product was purchased from? 3. How did you first learn of Makita Power Tools? Hardware/lumber Store Industrial Supply Tool Distributor Other ( ) Magazine/Newspaper Catalog From dealer Other ( ) Store display 2. Use of the product is intended for? 4. Most favored points are? Construction trade Home maintenance Design Makita Brand Industrial maintenance Other ( Features Power Size Other ( ) ) Price 5.
Factory Service Centres Head Office: 1950 Forbes St., Whitby, Ontario, L1N 7B7 (905) 571 - 2200 1-800-263-3734 Regional Office: 11771 Hammersmith Way, Richmond B.C. V7A 5H6 (604) 272 - 3104 1-800-663-0909 Regional Office: (Montreal) 6389 boul. Couture, St. Leonard, Quebec H1P 3J5 (514) 323 - 1223 1-800-361-7049 Dartmouth: 202 Brownlow Avenue Dartmouth, N.S., B3B 1T5 (902) 468 - 7064 1-888-625-4821 Ville St. Laurent: (Montreal) 1140 Rue Bégin, Ville St.
MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one year period, return the COMPLETE tool, freight prepaid, to one of Makita’s Factory or Authorized Service Centres.
