King Canada 8353N Instruction Manual Download Page 3

GETTING TO KNOW 

YOUR ROTARY TOOL

WARNING!: 

If any parts are missing, do

not operate your rotary tool until missing
parts are replaced. Failure to do so could
result in serious personal injury.

WARNING!: 

Do not use this product as a

component of others products. Also, do not
use attachments or accessories not
recommended for use with this product. Any
such use could result in possible serious
injury. 

Variable Speed 
Thumb Dial

Getting to know your Rotary Tool

Brush Cap #1

Attachment

Collet Nut

Housing Nut

Spindle Lock Button

Brush Cap #2

ON/OFF Switch

Tool Hook

Soft Grip Housing

Power Cord & Power
Cord protector

Technical Specifications

Voltage ..........................................................................................120V
Amperage ........................................................................................1.1A
Cycle/Phase ....................................................................60Hz, 1 phase
Power input ..................................................................................135W
No load speed/min. ........................................................10,000-33,000
Collet nut capacity ............................................................................1/8”
Collet sizes......................................................1/32”, 5/64”, 3/32” & 1/8”
Weight ........................................................................................1.5 lbs.

Figure 1

WARNING! 

Always unplug Rotary Tool before changing accessories, changing collets

or servicing.

Attachment, collet and collet nut assembly

CAUTION!

Always use the collet which matches the shank size of the accessory you

plan to use. Never force a larger diameter shank into a smaller sized collet.

Collet Nut- To loosen the collet nut (A) Fig.2, press shaft lock button (B) and rotate the
tool shaft by hand until the lock engages the shaft preventing further rotation. 

WARNING: Do not engage shaft lock button while the tool is running.

With the shaft lock engaged, use the collet nut wrench (C) to loosen it if necessary. The
collet nut must be loosely threaded on when inserting an accessory. Change
accessories by inserting the new one into the collet (D) 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 tigtening of the collet nut
when there is not accessory inserted.

To install a different collet, remove the collet nut and the collet already in place. Insert
the unslotted end of the collet in the hole at the end of the tools’ shaft. Replace collet
nut on the shaft and tighten.

Attaching the Flex Shaft

Unscrew the housing nut (A) Fig.3 and remove it. The collet nut (B) and the 1/8” collet
(C) must be kept in place. Mount the Flex Shaft by placing the inner shaft (D) into the
tools’ chuck, secure it in place by tightening the collet nut. Then using the Flex Shaft
housing nut (E), fix the Flex Shaft to the rotary tool by turning it clockwise.

ASSEMBLY & OPERATION

Figure 2

Figure 3

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