MLCS 9661 Owner's Manual

4-1/2" circular saw

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4-1/2" CIRCULAR SAW (MLCS #9661)

Rating:

Motor Amperage:

Speed:

Blade diameter:

Arbor:

Depth of cut @ 90°:

Depth of cut @ 45°:

Owner's Manual

PRODUCT SPECIFICATIONS

120 VAC, 60 Hz

5.8 Amps

3,500 RPM (no load)

4-1/2" (114.3 mm)

3/8" (9.5 mm)

1-11/16" (42.9 mm)

1-1/8" (28.6 mm)

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Summary of Contents for MLCS 9661

Page 1: Product Specifications
Motor Amperage: 5.8 Amps Speed: 3,500 RPM (no load) Blade diameter: 4-1/2" (114.3 mm) Arbor: 3/8" (9.5 mm) Depth of cut @ 90°: 1-11/16" (42.9 mm) Depth of cut @ 45°: 1-1/8" (28.6 mm) Copyright © 2018 MLCS, All Rights Reserved...
Page 2: Table Of Contents
TABLE OF CONTENTS Product specifications ………….………………………………………………………………... Table of contents ……………………………………………………………………....General safety warnings ………………………………………………………………………… 3–4 Eye, ear & lung protection ………………………………………………………………………. 3–4 Electrical safety …………………………………………………………………………………... Power tool safety ……………………………………………………………………....5–6 General warning …………………………………………………………………………………. Work area ………………………………………………………………….……………………... Electrical safety …………………………………………………………………………………... Personal safety …………………………………………………………………………………... Power tools use and care ………………………………………………………………………..
Page 3: General Safety Warnings
GENERAL SAFETY WARNINGS WARNING: Before using this tool or any of its accessories, read this manual and follow all Safety Rules and Operating Instructions. The important precautions, safeguards and instructions appearing in this manual are not meant to cover all possible situations. It must be understood that common sense and caution are factors which cannot be built into the product.
Page 4: Electrical Safety
GENERAL SAFETY WARNINGS WEAR A DUST MASK THAT IS DESIGNED TO BE USED WHEN OPERATING A POWER TOOL IN A DUSTY ENVIRONMENT. WARNING: Dust that is created by power sanding, sawing, grinding, drilling, and other construction activities may contain chemicals that are known to cause cancer, birth defects, or other genetic abnormalities.
Page 5: Power Tool Safety
POWER TOOL SAFETY If operating a power tool in a damp location WARNING: Read all safety warnings is unavoidable, use a residual current device and instructions. Failure to follow the warnings (RCD) protected supply. Use of a ground fault and instructions may result in electric shock, fire circuit interrupter (GFCI) reduces the risk of and/or serious injury.
Page 6: Power Tools Use And Care
POWER TOOL SAFETY Power tool use and care Use clamps or another practical way to secure and support the workpiece to a stable Do not force the power tool. Use the correct platform. Holding the work by hand or against power tool for your application.
Page 7: Specific Safety Rules
SPECIFIC SAFETY RULES Hold power tool by insulated gripping WARNING: Know your circular saw. Do surfaces when performing an operation not plug the tool into the power source until where the cutting tool may contact hidden you have read and understand this wiring or its own cord.
Page 8: Additional Specific Safety Rules
SPECIFIC SAFETY RULES CAUSES AND OPERATOR PREVENTION OF ADDITIONAL SPECIFIC SAFETY RULES KICKBACK – cont’d Check the lower guard for proper closing Maintain a firm grip on the saw and position before each use. Do not operate the saw if the lower guard does not move freely and your arms to resist kickback forces.
Page 9: Specific Safety Rules
SPECIFIC SAFETY RULES ADDITIONAL SPECIFIC SAFETY RULES – cont’d Never use the side of the blade for cutting. When making horizontal cuts, make sure the weight of the tool is not forcing the side of the blade to do the cutting. This will reduce the risk of kickback.
Page 10: Extension Cord Safety
EXTENSION CORD SAFETY WARNING: WARNING: Keep the extension cord Repair or replace damaged clear of the working area. Position the cord so or worn extension cords immediately. it will not get caught on the workpiece, tools or any other obstructions while you are working Select the appropriate extension cord gauge with the power tool.
Page 11: Symbols
SYMBOLS WARNING: Some of the following symbols may appear on the circular saw. Study these symbols and learn their meaning. Proper interpretation of these symbols will allow for more efficient and safer operation of this tool. Volts Direct current Amps No load speed Hertz Alternating or direct...
Page 12: Know Your Circular Saw
KNOW YOUR CIRCULAR SAW Main Motor Adjustable handle vents vacuum adapter Hex key Laser Bevel adjustment Lock-off lever button ON/OFF Trigger switch Blade guard lever Edge guide Blade locking screw guard 4-1/2" x 3/8" 24TCT blade or Edge guide 60T HSS blade Laser ON/OFF Shaft locking switch...
Page 13: Assembly And Operating
ASSEMBLY AND OPERATING 5. To reinstall a blade, reverse the above NOTE: For illustrative purposes, some procedure. drawings show the vacuum adaptor NOTES: installed on the saw. The vacuum adaptor a) Make sure the blade teeth are pointing does NOT have to be installed if a vacuum forward at the bottom of the blade.
Page 14: Setting The Bevel Cutting Angle
ASSEMBLY AND OPERATING SETTING THE BEVEL CUTTING ANGLE 4. Use a #2 screwdriver to turn the zero bevel adjusting screw (3) in or out until the The sole plate can be set to perform bevel cuts saw is cutting at 90° when the sole plate is up to 45°.
Page 15: Installing The Vacuum Adaptor
ASSEMBLY AND OPERATING INSTALLING THE EDGE GUIDE – cont’d WARNING For safety reasons, the operator must read the sections of this Owner’s Manual entitled "GENERAL SAFETY WARNINGS", "POWER TOOL SAFETY", "SPECIFIC SAFETY RULES", "EXTENSION CORD SAFETY" and "SYMBOLS" before using this circular saw.
Page 16: Laser On/Off Switch
ASSEMBLY AND OPERATING LOCK-OFF BUTTON AND TRIGGER SWITCH GENERAL CUTTING – cont’d NOTE: Always make a test cut on a scrap workpiece to verify that all settings are correct. 1. Make any adjustments to the saw before plugging it into the power source. Adjustments include cutting depth, bevel cutting angle and edge guide (if installed).
Page 17: Plunge Cutting
ASSEMBLY AND OPERATING GENERAL CUTTING – cont’d WARNING: Do not force the circular saw. Use only enough force to keep the blade cutting at full speed. Excessive pressure on the blade will cause it to slow down and overheat, resulting in poor cut quality and damage to the motor.
Page 18: Changing The Laser Batteries
ASSEMBLY AND OPERATING CHANGING THE LASER BATTERIES The batteries that operate the laser will have to be replaced after considerable use of the laser. 1. Turn the laser switch OFF. 2. Remove the laser cover screw (1) using a screwdriver (Fig. 12). Fig.
Page 19: General Maintenance
MAINTENANCE GENERAL It has been found that electric tools are subjected to accelerated wear and possible premature failure when they are used on WARNING: When servicing, use only fiberglass boats and sports cars, wallboard, identical replacement parts. The use of any spackling compounds or plaster.
Page 20: Exploded View
EXPLODED VIEW...
Page 21: Parts List
PARTS LIST WARNING: When servicing, use only original equipment replacement parts. The use of any other parts may create a safety hazard or cause damage to the circular saw. Key # Part # Part Name Quantity 3011120013 Left housing 3120010135 Lock off button 3120010136 Trigger button...
Page 22 PARTS LIST Key # Part # Part Name Quantity 3120020163 Spindle lock button 4020010169 Screw M4*14 3180040128 Vacuum adapter 4050040016 Screw M6*20(two ends) 4010020004 Needle bearing HK0608 Washer Φ 0*Φ .1*T0.5 2030020362 2040080058 Big gear 2040040129 Big gear shaft 2020020057 Gearbox side cover 2040080059 Output gear...
Page 23 PARTS LIST Key # Part # Part Name Quantity 4020200002 Screw 2020080048 Lower blade guard 4100020028 Snap ring 22 2010140062 Inner flange 6070100004 24TCT blade 6070100006 60T HSS blade 2010140063 Outer flange 4050050011 Screw M5*14(L)