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Assembly

!ALWAYS BE SURE THE TOOL IS WARNING IN THE “OFF” POSITION

BEFORE CHANGING ACCESSORIES, CHANGING COLLETS OR SERVICING YOUR CORDLESS ROTARY TOOL.

SHAFT

LOCK

BUTTONCOLLET NUT

TO LOOSEN

TO TIGHTEN

COLLET

(1/8" Collet is included with your tool)

COLLET IDENTIFICATION CHART — Collet sizes can be identified by the rings on the back end of collet.

1/32" Collet has one (1) ring. 1/16" Collet has two (2) rings. 3/32" Collet has three (3) rings. 1/8" Collet has no rings.

COLLET

NUT

IDENTIFICATION

RINGS

4801/8"

COLLET

481 3/32"

COLLET 482 1/16" 483 1/32"

COLLET COLLET

COLLET NUT— To loosen, first press shaft lock but- ton and rotate the collet nut by hand until the lock engages the shaft preventing further rotation.

!

CAUTION

Do not engage lock while the

Tool is running.

 

 

With the shaft lock engaged, loosen the collet nut by hand. Change accessories by inserting the new one into the collet as far as possible to minimize runout and unbalance. With the shaft lock engaged, finger tighten the collet nut until the accessory shank is gripped by the collet. Avoid excessive tightening of the collet nut when there is no bit inserted.

COLLETS — Four different size collets (see illus- tration), to accommodate different shank sizes, are available for your Cordless Rotary Tool. To install a different collet, remove the collet nut and remove the old collet. Insert the unslotted end of the collet in the hole in the end of the tool shaft. Replace col-

let nut on the shaft. Always use the collet which matches the shank size of the accessory you plan to use. Never force a larger diameter shank into a collet.

BALANCING ACCESSORIES — For precision work, it is important that all accessories be in good bal- ance (much the same as the tires on your automo- bile). To true up or balance an accessory, slightly loosen collet nut and give the accessory or collet a 1/4 turn. Retighten collet nut and run the Tool. You should be able to tell by the sound and feel if your accessory is running in balance. Continue adjusting in this fashion until best balance is achieved. To maintain balance on abrasive wheel points, before each use, with the wheel point secured in the collet, turn on the Cordless Rotary Tool and run the 415 Dressing Stone lightly against the revolving wheel point. This removes high spots and trues up the wheel point for good balance.

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Dremel 764 owner manual Assembly, Collet, Tool is running
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764 specifications

The Dremel 764 is a versatile rotary tool that stands out in the Dremel product line, designed for both hobbyists and professionals who seek precision and performance. This tool is particularly favored for its compact design and robust functionality, which make it suitable for a wide array of applications, from intricate detailing to more robust cutting tasks.

One of the defining features of the Dremel 764 is its variable speed control, allowing users to adjust the RPM (revolutions per minute) from 5,000 to 35,000. This flexibility enables users to choose the optimal speed for different materials and tasks, whether it’s sanding, cutting, grinding, or polishing. Such versatility makes it a preferred choice for DIY enthusiasts looking to tackle diverse projects.

The Dremel 764 employs advanced technology in its design, including a powerful motor that provides consistent performance. This motor is designed to handle heavy-duty tasks without overheating, making it reliable for extended use. The ergonomic design of the tool also contributes to its ease of handling, allowing for better control and comfort during prolonged periods of operation.

Another notable characteristic of the Dremel 764 is its compatibility with a wide range of accessories. Users can easily switch out various attachments and bits, from drill bits to sanding drums, enhancing its capabilities significantly. This adaptability ensures that the Dremel 764 can meet the specific needs of any project, whether it involves metal, wood, plastic, or ceramics.

Safety features are also incorporated into the design of the Dremel 764. The tool is equipped with a safety switch that prevents accidental start-ups, providing an added layer of security for users. Additionally, the integrated dust extraction system helps maintain a clean workspace, minimizing the disruption caused by debris during operation.

In summary, the Dremel 764 represents a perfect blend of power, versatility, and user-friendly design. With its variable speed control, powerful motor, ergonomic design, diverse accessory compatibility, and enhanced safety features, it is an indispensable tool for anyone looking to achieve professional-quality results in their projects. Whether you're a seasoned craftsman or a newcomer, the Dremel 764 is poised to take your creative endeavors to the next level.
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