Dremel 9000 Посібник користувача - Сторінка 5

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Do not attempt to use this

WARNING

to ol to make cut-o uts

a round any fixture or opening which has

live electrical wires, or on any wall which

m ay have live electrical wiring behind it,

as the bit could conduct current to the

tool, creating an electrocution hazard fo r

the operator. Shut off breakers or re m o v e

fuses to disconnect the circuit. Always hold

the tool by its thermoplastic housing, and

always wear eye protection when operating

this device.

• Step 1: Be certain that the box or fixture

which re q u i res a cut-out is firmly mounted

and all wires or other obstructions aro u n d

the opening are pushed back out of the way.

The drywall cut-out bit uses the outer edge

of the box or fixture as a guide, so it is

important that there is nothing in the way

which can prevent it from guiding completely

around the opening. For the purposes of this

instruction manual, the procedure discussed

will be to make a cut-out around a standard

2 1/8" x 3 3/4" electrical box.

• Step 2: Before fastening the drywall sheet,

make a mark close to the center of the

opening in the box on the side of the drywall

facing you. You may then begin to screw or

nail the sheet to the wall, but do not install

fasteners closer then about 15" to the box,

or the sheet will likely bulge and crack before

you cut the opening.

• Step 3: Holding the tool firmly switch the

too l to the "ON" position as described

earlier.

• Step 4: Holding the tool firmly with both

hands, push the bit through the drywall at

the mark you made in step 2. Guide the bit

to the right until you feel it make contact with

the inside edge of the box. Then retract the

bit slightly, (do not pull entirely out) to allow it

to penetrate through the drywall and contact

the outside edge of the box by continuing to

move the tool slightly to the right as you cut.

• Step 5: Keeping the bit in contact with the

outside of the box, move the tool counter-

clockwise to create the opening. When

rounding a corn e r, keep applyi ng li ght

pressure towards the center of the box while

moving the bit steadily and smoothly around

the whole box until the entire cut has been

completed. Slide the switch to the "OFF"

position, and pull the bit free of the drywall.

You may then remove the piece you have

cut, and you will have a smooth opening.

The rest of the screws or nails may now be

put in place on the drywall sheet, and the

task is completed.

The motor may stall if

CAUTION

i m p roperly used or over-

loaded. Reduce the pre s s u re or feed rate to

p revent possible damage to the tool. Do not

attempt to start the tool when the bit is

engaged in the workpiece. Always be sure the

collet nut is tightened securely before use.

Page 8

MAKING CUT-OUTS IN MATERIALS

OTHER THAN DRYWALL

Your tool is capable of cutting many types of

building materials in addition to drywall.

T h e re are several diff e rent bits available for

use on these materials. Most materials can

be cut with the "multipurpose" bit, however

the "carbide" burr bits must be used for

h a rd, abrasive materials such as ceramic

wall tile (will not work on ceramic floor grade

tile), cement board, plaster etc.

To make cut-outs, insert and adjust the

proper bit according to previous instructions.

Hold the tool firmly and turn it on. Place the

depth guide at about a 45º angle against the

work surface and tilt the tool to an upright

position with the bit entering the scrap

portion of the area being cut. Move the bit to

the line you wish to follow and cut in a

clockwise direction. Cutting at a slow even

rate will make following a line easier and will

put less stress on the bit.

N OT E : When cutting on a vertical surface,

avoid ending your cut at the bottom of the

hole. If possible, start and end your cut at

the top so the scrap part will not drop onto

the rotating bit. Turn the tool off and remove

it from the cut out hole.

Maintenance Information

C L E A N I N G

To avoid accidents alw ays disconnect the

tool from the power supply before cl e a n i n g

or performing any maintenance. The tool

may be cleaned most effectively with

c o m p ressed dry air. A lw ays wear safety gog-

gles when cleaning tools with compressed

a i r. Ventilation openings and switch levers

must be kept clean and free of foreign matter.

Do not attempt to clean by inserting pointed

objects through openings.

C e rtain cleaning agents and

CAUTION

solvents damage plastic

p a rt s . Some of these are: gasoline, carbon

tetrachloride, chlorinated cleaning solvents,

ammonia and household detergents that

contain ammonia.

SERVICE

P r eventive maintenance performed by

u n a u t h o r i zed personnel may result in

misplacing

internal

wires

components which could cause serious

h a z a rd. We recommend that all tool service be

performed by a Dremel Service Facility.

FIG. 11

BRUSH & SPRING

CURVED END OF BRU S H

ASSEMBLY

MUST MATCH CURVAT U R E

OF HOUSING

B RUSH CA P

CARBON BRU S H E S

The brushes and commutator in your tool have

been engineered for many hours of dependable

service. To maintain peak efficiency of the

m o t o r, we recommend every two to six months

the brushes be examined. Only genuine Dre m e l

replacement brushes specially designed for

your tool should be used.

MAINTENANCE OF REPLAC E A B L E

B RUSHES Model 9000

The brushes should be inspected fre q u e n t l y

when tools are used continuously. If your tool

runs sporadically, loses power, makes unusual

noises or runs at a reduced speed, check the

brushes. To continue using the tool in this

condition will permanently damage your tool.

With the cord unplugged, remove the brush

caps one at a time with a small screwdriver by

rotating cap counter-clockwise and check each

b r u s h .

If the brush is less than 1/4" long and the end

surface of the brush that contacts the

commutator is rough and/or pitted, they should

be replaced. Check both brushes. Usually the

brushes will not wear out simultaneously. If one

brush is worn out, replace both brushes. Make

s u re the brushes are installed as illustrated. The

curved surface of the brush must match the

c u r v a t u re of the commutator.

After replacing brushes the tool should be run

at no-load; place it on a clean surface and run it

f reely for 5 minutes before loading (or using) the

tool. This will allow the brushes to "seat"

p roperly and will give you more hours of life

f rom each set of brushes. This will also extend

the total life of your tool since the commutator

surface will "wear" longer.

B e a r i n g s - Model 9000 is equipped with ball

bearing construction. Under normal use no

additional lubrication is re q u i re d .

Page 9

and

C U R VATURE

OF HOUSING