Dremel 7700-1/15 Use and Care Manual download pdf (Page 11)

Assembly

ALWAYS BE SURE THE TOOL IS IN

THE “0” POSITION BEFORE

CHANGING ACCESSORIES, CHANGING COLLETS OR

SERVICING YOUR CORDLESS ROTARY TOOL.

SHAFT

LOCK

BUTTON

TO LOOSEN

TO TIGHTEN

COLLET

NUT

COLLET

NUT

IDENTIFICATION

RINGS

480 1/8"

COLLET

481 3/32"

COLLET

482 1/16"

COLLET

483 1/32"

COLLET

COLLET NUT— To loosen, first press shaft lock button

and rotate the collet nut by hand until the lock engages

the shaft preventing further rotation.

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

avail able for your Cordless Rotary Tool. To install a dif-

ferent 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 collet 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 balance

(much the same as the tires on your automobile). To

true up or balance an accessory, slightly loosen collet

nut and give the accessory or collet a 1/4 turn. Re -

tighten collet nut and run the Cordless Rotary 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

(not included, available as accessory) lightly against

the revolving wheel point. This removes high spots and

trues up the wheel point for good balance.

Remember, your new Dremel Cordless Rotary Tool is

the finest power tool of its kind. But its performance

is only as good as the accessories with which it is

used. We recommend only Dremel accessories be

used. Use of any other accessories may create a haz-

ard. We hope you’ll enjoy many years of trouble free

pleasure from your Dremel Cordless Rotary 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.

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

CAUTION

WARNING

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Dremel 7700-1/15 Use and Care Manual Page 11

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