Wen 20604 Instruction Manual
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Wen 20604 Instruction Manual

20v max 4-1/2" cordless mini circular saw
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MODEL 20604, 20604BT
20V MAX 4-1/2" CORDLESS
MINI CIRCULAR SAW
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
1-847-429-9263 (M-F 8AM-5PM CST)
TECHSUPPORT@WENPRODUCTS.COM
IMPORTANT: Your new tool has been engineered and manufactured to WEN's highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged,
trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use
your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
WENPRODUCTS.COM
For replacement parts and the most up-to-date instruction manuals, visit

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  • Page 1 1-847-429-9263 (M-F 8AM-5PM CST) TECHSUPPORT@WENPRODUCTS.COM IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.

  • Page 2: Table Of Contents

    4-1/2-Inch 24-Tooth Woodworking Replacement Saw Blades (3 Pack) (Model BL0424) WEN plans to continue to add more items to our 20V line. For an up-to-date list of the 20V cordless tools compatible with the included battery and charger, visit wenproducts.com and search model number 20202 (2Ah), 20204 (4Ah),...

  • Page 3: Welcome

    INTRODUCTION Thanks for purchasing the WEN Circular Saw. We know you are excited to put your tool to work, but first, please take a moment to read through the manual. Safe operation of this tool requires that you read and understand this operator’s manual and all the labels affixed to the tool.

  • Page 4: Safety

    GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
  • Page 5 GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

  • Page 6: Circular Saw Safety Warnings

    CIRCULAR SAW SAFETY WARNINGS WARNING! Do not operate the power tool until you have read and understood the following instructions and the warning labels. CIRCULAR SAW SAFETY 7. STANDING POSITION. Keep your body positioned to either side of the saw blade, but not in line with cutting 1.
  • Page 7 CIRCULAR SAW SAFETY WARNINGS WARNING! Do not operate the power tool until you have read and understood the following instructions and the warning labels. CIRCULAR SAW SAFETY (CONT.) REDUCING KICKBACK 14. REPLACEMENTS. Should any component of your Kickback is a sudden reaction to a pinched, bound or saw be missing/damaged or fail in any way, shut OFF the misaligned saw blade, causing an uncontrolled saw to switch and remove the battery from the battery terminal.
  • Page 8 CIRCULAR SAW SAFETY WARNINGS WARNING! Do not operate the power tool until you have read and understood the following instructions and the warning labels. LASER SAFETY LASER BATTERY SAFETY ATTENTION! LASER RADIATION. CLASS 2 LASER. DO 1. Do not short-circuit batteries. Keep the batteries away NOT STARE INTO THE BEAM.

  • Page 9: Electrical Information (Charger)

    ELECTRICAL INFORMATION (CHARGER) DOUBLE-INSULATED CHARGER The charger’s electrical system is double-insulated where two systems of insulation are provided. This eliminates the need for the usual three-wire grounded power cord. Double-insulated tools do not need to be grounded, nor should a means for grounding be added to the product. All exposed metal parts are isolated from the internal metal components with protecting insulation.

  • Page 10: Battery & Charger Safety Warnings

    Never carry the charger by its cord or yank it by the cord battery chemicals. If the battery or charger are damaged, to disconnect it from the receptacle. Keep the cord away call WEN customer service at 1-847-429-9263 for as- from heat, oil and sharp edges. Make sure the cord will sistance.
  • Page 11 BATTERY & CHARGER SAFETY WARNINGS ABOUT THE BATTERY 1. The battery pack has to be charged completely before you use the tool for the first time. 2. For optimum battery performance, avoid low discharge cycles by charging the battery pack frequently. 3.

  • Page 12: Before Operating

    Circular Saw Hardware & Accessories Dust Extraction Tube (1) *20V 2.0Ah Battery (1) Rip Fence (1) 5mm Hex Wrench (1) *20V Charger (1) *NOTE: Battery and charger only included with model 20604. 20604BT does not include a battery or charger.

  • Page 13: Know Your Circular Saw

    TOOL PURPOSE Easily make miter cuts and rough cuts on large sheets of material with your WEN Circular Saw. Refer to the follow- ing diagrams to become familiarized with all the parts and controls of your circular saw. The components will be referred to later in the manual for assembly and operation instructions.

  • Page 14: Assembly & Adjustments

    ASSEMBLY & ADJUSTMENTS WARNING! To avoid injury from accidental startups, be sure that the tool is switched OFF and the battery is removed from the tool before inspecting the unit, making adjustments, or changing accessories. INSTALLING/REPLACING THE SAW BLADE Use saw blades with 4-1/2 inch (115mm) diameter and 3/8 inch (9.53mm) arbor. Do not use a blade that does not match the diameter or arbor size.
  • Page 15 ASSEMBLY & ADJUSTMENTS SETTING THE DEPTH OF CUT Before making a cut, it is important to set the correct cutting depth. The saw’s maximum cutting depth at 90° is 1-11/16 inch (43mm) and at 45° it is 1-1/8" (28mm). We recommend adjusting the cutting depth about 1/16 inch (2mm) deeper than the thickness of the material.
  • Page 16 ASSEMBLY & ADJUSTMENTS USING THE LASER Fig. 6 The laser (Fig. 6 - 1) located on the top of your saw can also be used to indicate the line of cut. Switch the laser ON (Fig. 6 - 2) and align the laser line with your cutting guideline.
  • Page 17 ASSEMBLY & ADJUSTMENTS ADJUSTING THE BLADE BEVEL Fig. 10 Bevel your mini circular saw blade from 45° to 90° to cut your work- piece on an angle. The saw’s maximum cutting depth at 90° is 1-11/16 inch (43mm) and at 45° it is 1-1/8" (28mm). Be sure to set your saw to the proper depth for the angle you are using.

  • Page 18: Operation & Maintenance

    OPERATION PREPARING FOR OPERATION 1. Prepare the work space and connect your saw to a dust extraction system. 2. Ensure that the saw blade is sharp. Set the correct depth of cut for your workpiece. 3. Draw a guideline along the desired path of the cut on the workpiece surface. 4.

  • Page 19: Maintenance

    WARNING! Any attempt to repair or replace electrical parts on this tool may be hazardous. Servicing of the tool must be performed by a qualified technician. When servicing, use only identical WEN replacement parts. Use of other parts may be hazardous or induce product failure.

  • Page 20: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST NOTE: Not all parts may be available for purchase. Parts and accessories that wear down over the course of normal use are not covered under the warranty.
  • Page 21 Wiring Harness 2 20604-037 Self-tapping Screw, ST4x12 20202 20V 2Ah Battery 20604-038 Blade Cover Lever 20200C 20V 2A Charger 20604-039 Reset Spring Screw, M5 500 20604-500ASM Laser Module Assembly 20604-040 Reset Spring Phillips-head Screw with 20604-041 Self-Tapping Screw, ST4.2×14 Flange, M3x8...
  • Page 22 EXPLODED VIEW & PARTS LIST PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. Laser Base Self-tapping Screw, ST2.9x14 Set Screw, M3x20 Limiting Spring Spring Self-tapping Screw, ST3x8 Spring Base Laser Housing 1.5V Battery, LR44 Rocker Switch Laser Lock Nut, M3 Laser Cover Nut Bracket NOTE: Not all parts may be available for purchase.

  • Page 23: Warranty Statement

    (2) years from date of purchase or 500 hours of use; whichever comes first. Ninety days for all WEN products if the tool is used for pro- fessional or commercial use.
  • Page 24 THANKS FOR REMEMBERING V. 2023.08.17...

This manual is also suitable for:

20604bt

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