How to Change a Circular Saw Blade

A circular saw is one of the most turned to power tools in the industry. With the capacity to cut just about any material and to cut it just about any way you need it cut, circular saws are some of the most universally useful and commonly used power tools on the planet. Accordingly, in the interest of different projects or applications, or simply because a certain blade has seen better days, the occasional circular saw blade change is inevitable.

Circular Sander

Fortunately, changing the blade on your circular saw is quite a bit easier than you might think. In fact, with just a few simple steps and an adjustable wrench, you can have that blade changed in no time.

Circular Sander

As with all other power tool repairs and procedures, the first thing to do to begin your circular saw blade replacement is disengage the tool. Turn the tool off and remove the battery or unplug the tool and ensure the entire cord remains in sight for the duration of the repair.

Lay the saw down on a sturdy surface allowing the blade to hang slightly off the edge of the table. If you have access to clamps, securely clamp the saw to the bench. If not, simply use your weight to secure the saw holding it steady with the saw's operating handle.

Slide up the protective blade guard and hold it in place, if necessary holding it with the thumb of the hand securing the saw to the table. Slowly rotate the saw blade by hand to locate the blade's offset hole (a smallish hole drilled through the blade at a point usually not far behind the saw teeth). Insert a standard 3/8" drill bit (or similarly shaped object) half-way into the offset hole and continue rotating the blade clockwise until the bit hits the saw itself. Although many newer circ saw models feature a blade locking mechanism that would render this step unnecessary, the bit will, nonetheless, keep the blade from moving as you continue with the procedure.

Attach an adjustable wrench to the blade bolt at the center of the saw blade. This bolt holds the blade to the saw and, to ensure the blade remains secured to the saw while the tool is engaged, has a left-handed thread or the opposite thread one is accustomed to. Accordingly, the bolt must be rotated clockwise to be removed. Remove the bolt, remove the bit, and remove the old blade.

Slide the new blade over the saw's blade hub and, by hand, replace and lightly twist the blade bolt onto the hub. Re-insert the bit into the offset hole and rotate the blade counterclockwise until the bit catches on the saw's body.

Tighten the bolt firmly by hand before securing it completely with your adjustable wrench, and lastly, plug the saw back in or replace its battery and give the saw spin (carefully) to ensure everything has come back together properly.

How to Change a Circular Saw Blade
Circular Sander

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Makita BO5030K 5-Inch Random Orbit Sander
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Makita BO5030K 5-Inch Random Orbit Sander

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Makita BO5030K 5-Inch Random Orbit Sander Feature

  • Includes: 1 ea.abrasive discs (#120;794520-1),dust bag(166078-4) and plastic case (824566-2)


Makita BO5030K 5-Inch Random Orbit Sander Overview

Makita BO5030K 5" Random Orbit Sander KitMakita BO5030K 5" Random Orbit Sander Kit Features:; Random orbit sander; Fast and super smooth sanding; Pad control system for controlled pad speed upon start-up; Efficient through-the-pad dust collection system for a cleaner environment; Dust-sealed switch minimizes contamination; Rubberized grip for improved operator comfort and control; Oversized sealed ball bearing construction for longer tool lifeMakita BO5030K 5" Random Orbit Sander Kit Specifications:; Includes: 1 abrasive disc (#120; 794520-1), dust bag (166078-4) and case (183782-0); Pad Size: 4-13/16â; Abrasive Disc Size: 5â; No Load OPM: 12,000; Orbit Diameter: 1/8â; AMPS (120V): 3.0; Dimensions (LxWxH): 6â x 4-7/8â x 6â

Makita BO5030K 5-Inch Random Orbit Sander Specifications

Makita's 5-Inch Random Orbit Sander, Model BO5030K, delivers fast, smooth performance with better grip and control. The BO5030K is ideal for woodworkers and finish carpenters who require a best-in-class random orbit sander.

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BO5030K Features
PERFORMANCE - 1/8" random orbit action

SPEED - 3.0 AMP motor rotates pad 12,000 OPM for fast and smooth sanding

CONVENIENCE - Uses hook-and-loop abrasive discs for quick changes

EFFICIENCY - Efficient through-the-pad dust collection system

INCLUDES - Abrasive disc, dust bag and tool case

Tool Specifications
Tool Spec
Pad size4-13/16"
Abrasive disc size5"
No load speed12,000 OPM
Orbit diameter1/8"
AMPS (115V)3.0
Overall length6"
Net weight2.9 lbs.
The BO5030K features a pad control system for controlled pad speed upon start up, with a powerful 3 AMP motor for continuous operation, 1/8-inch random orbit action, and 12,000 OPM for fast and smooth sanding. The BO5030K is precision engineered with all ball bearing construction for longer tool life.

Comfort and ease-of-use features include an ergonomically designed rubberized palm that fits like a glove with even pressure and easy control. The rubber sealed switch minimizes dust contamination and increases durability. The efficient through-the-pad dust collection system helps provide a cleaner work environment, while the fabric dust bag has an extra wide mouth for faster disposal. The BO5030K uses quick-change five-inch eight-hole hook-and-loop abrasive disc.

Model BO5030K includes abrasive disc, dust bag and tool case. It is ideal for a wide range of sanding applications. The BO5030K is just another example of Makita's commitment to innovative technology and best-in-class engineering.

About Makita's Power Tools
Makita delivers precision, accuracy, capacity, and innovation to woodworkers. Makita has full range of miter saws, jig saws, circular saws, routers, planers, sanders, nailers and staplers, blades, compact cordless drills and impacts, and more. Makita's woodworking solutions are engineered for pro contractors, for use in high production settings and in home shops.

Makita LogoAbout Makita
Makita is a worldwide manufacturer of industrial quality power tools and offers a wide range of industrial accessories. Makita applies leading-edge innovation to engineer power tools that are more compact and energy efficient, yet deliver industrial strength power and results. Makita U.S.A., Inc. is located in La Mirada, California, and operates an extensive distribution network located throughout the U.S. For more information, please call 800/4-MAKITA (800/462-5482) or visit makitatools.com. Makita is Best in Class Engineering.

Warranty
Every Makita tool is thoroughly inspected and tested before leaving the factory. If you are not satisfied with any Makita tool within 30 days of purchase, return it and Makita will provide a replacement or refund. Each Makita tool 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 Centers. Please see makitatools.com for complete details.

Whats in the Box
Makita BO5030K 5-Inch Random Orbit Sander, abrasive disc, dust bag and tool case.




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Makita BO5030K 5-Inch Random Orbit Sander

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