Makita 3803A Manual de usuario

MODEL

3803A

Equipped with Electric Brake

Capacities

Max cutter blade size Max. cutting depth

lf.!,~~6x

i<o;y,)

11-7/32")

INSTRUCTION MANUAL

Overall length Net weight

load speed

IRPM)

9,000

411

116-3116") 6.8

(15

lbsl

IMPORTANT SAFETY INSTRUCTIONS

WARNING: When using electric tools, basic safety precautions should always

be followed toreduce the risk of fire, electric shock, and personal injury, includ-

ing the following:

READ ALL INSTRUCTIONS.

IO.

11.

12.

13.

14.

15.

16.

KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.

CONSIDER WORK AREA ENVIRONMENT. Don't use power tools in damp

or wet locations. Keep work area well

lit.

Don't expose power tools to rain.

Don't use tool in presence of flammable liquids or gases.

KEEP CHILDREN AWAY. All visitors should be kept away from work area.

Don't let visitors contact tool or extension cord.

STORE IDLETOOLS. When not inuse, tools should be stored indry, and high

or locked-up place

out of reach of children.

DON'T FORCETOOL.

willdo thejob better and safer at the ratefor which

was intended.

USE RIGHT TOOL. Don't force small tool or attachment to do the job of a

heavy-duty tool. Don't use tool for purpose not intended.

DRESS PROPERLY. Don't wear looseclothing or jewelry. They can be caught

in moving parts. Rubber gloves and non-skid footwear are recommended

when working outdoors. Wear protective hair covering tocontain long hair.

USE SAFETY GLASSES. Also use face or dust mask

cutting operation is

dusty.

DON'T ABUSE CORD. Nevercarry tool by cord or yank

todisconnect from

receptacle. Keep cord from heat, oil, and sharp edges.

SECURE WORK. Use clamps or a vise to hold work. It's safer than using

your hand and

frees both hands to operate tool.

DON'T OVERREACH. Keep proper footing and balance at all times.

MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and

safer performance. Follow instructions for lubricating and changing acces-

sories. Inspect tool cords periodically and if damaged, have repaired by autho-

rized service facility. Inspect extension cords periodically and replace if

damaged. Keep handles dry, clean, and free from oil and grease.

DISCONNECT TOOLS. When notin use, before servicing, and when changing

accessories, such as blades, bits, cutters.

REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to

see that keysand adjusting wrenches are removed from tool before turning

on.

AVOID UNINTENTIONALSTARTING. Don't carry tool withfinger on switch.

Be sure switch is OFF when plugging in.

OUTDOOR USE EXTENSIONCORDS. When tool is used outdoors, use only

extension cords intended for use outdoors and

marked.

17.

STAY ALERT. Watch what you are doing, use common sense. Don’t operate

tool when you are tired.

18.

CHECK DAMAGED PARTS. Before further use of the tool, a guard or other

part that is damaged should be carefully checked to determine that

will

operate properly and performitsintended function. Check for alignment of

moving parts, bindingof moving parts, breakage of parts, mounting, and any

other conditions that may affect its operation. A guard or other part that

isdamaged shouldbe properlyrepairedor replaced by anauthorized service

center unlessotherwise indicated elsewhere

this instruction manual. Have

defective switches replaced by authorized service center. Don’t use tool if

switch does not turn

on and off.

19.

GUARD AGAINST ELECTRIC SHOCK. Prevent body contact

with

grounded

surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.

20.

PROPER GROUNDING. Thistoolshould be grounded while

use to protect

the operator from electric shock.

21.

EXTENSION CORDS: Useonly three-wire extension cords which havethree-

prong grounding-typeplugs and three-pole receptacles which accept the

tool’s plug. Replace or repair damaged or worn cord immediately.

VOLTAGE WARNING: Before connectingthetool toa power source (receptacle,

outlet, etc.) be sure the voltage supplied is the same as that specified on the

nameplate of the tool. A power source

with

voltage greater thanthat specified

for the tool can result

SERIOUS INJURY to the user

as well as damage

the tool. If

doubt, DO NOT PLUG IN THE TOOL. Using a power source

with

voltage less than the nameplate rating is harmful

the motor.

ADDITIONAL SAFETY RULES

Inspect for and remove nails or foreign matter from the workpiece before

Check the cutter blade carefully for cracks or damage before operation.

Secure the workpiece firmly.

Do not wear gloves during operation.

Hold the tool firmly with both hands.

Keep hands away fromthe undersideof the belt cover and the cutter blade.

Also keep the cord away from them.

Never force the tool or cut too fast for existing conditions.

Release the switch immediately if the cutter blade binds or the tool stalls.

Never remove the tool from a cut while the cutter blade is rotating.

operation.

Replace cracked or damaged cutter blade immediately.

IO.

Never leave the tool running unattended.

11.

Never attempt to cut

with

the tool held upside down

a vise. This is

extremely dangerous and can lead to serious accidents.

12.

Switch off and unplug the tool and wait for the cutter blade to come to

complete stop beforeremovingwood chips if wood chips arejammed

the

chip chute. Always use a wooden stick, etc. to remove them.

SAVE THESE INSTRUCTIONS.

WARNING:

Always be sure that the tool

switchedoff and unplugged before performing any adjust-

ments or installing accessories.

Adjusting depth

cut

Loosen the knob on the belt cover. Move

the handle

down untilthe indication

plate indicatesthe graduation

for

the depth

cut desired. The tighten the knob secure-

ly.

Each increment on the depth indicator

indicates

mm (1/8") cuttingdepth.

Cuttingposition

This tool may be operated with conven-

tional cutter blades, four teeth cutter

blades for grooving or dado cutter blades.

There are two arrows on the scale plate

located on the front edge of the tool's base

plate. The arrow on the cutter cover side is

for conventional cutter bladesor four teeth

cutter blades. The arrow on the belt cover

side is for dado cutter blades. Align the

appropriate arrow with the cutting line.

These arrows are to be used to guide along

your desired cutting line. They accurately

Knob

blades and four

tethcutter blades

Arrow for dado

cutter blades

indicate the leftedge of

your

cut

you are cutting.The width of cut may vary according

to the width of cuttter blade selected.

mm; 1/8" per graduation

the

scale

plate)

Guide rule

The handy guide rule allows

you

to make

accurate straight cuts parallel to

straight

edge

workpiece. Loosen the wing bolt

which secures the guide rule. Align the ap-

propriate arrow on the scale platewith the

cutting line. Move the guide rule until it

contacts the side of the workpiece. Tighten

the wing bolt tosecure the guide rule.

Switch action

To start the tool, simply pull the trigger.

Release the trigger tostop. For continuous

operation, pull the

trigger

and then push in

the lock button. To stop the tool from the

locked position, pull the trigger fully, then

release

it.

Lock

button

WARNING:

Before plugging in the tool, always check to

see

that the trigger switch actuates properly

and returns tothe "OFF" position when released.

Operation

WAR NlNG

*Be sure to clamp or secure the workpiece before cutting. It allows both hands to grip

both handles. This helps to maintain secure control of the tool

especially if

kick-

back occurs.

*Always be sure that the cutter blade

securedfirmly before cutting.

Rest

the front end of the tool base on the

workpiece surface and align the arrow on

the scale plate with the cutting line with-

out the cutter blade making any contact

with the workpiece. Switch on and wait

until the cutter blade attains full speed.

Then move the tool gently forward. Hold

the tool base flush with the workpiece

all

times. Be alert and maintain firm con-

trol of the tool

holding both handles

securely.

not cut "one-handed". When

the cut

complete, do not move the tool

away from the workpiece until the cutter

blade has coasted to

complete stop.

NOTE

Cutting

line

The cutter blade does not contact the workpiece untilthe ribon the tool base passes the

end of the workpiece.

Shiplappingattachment

Use the shiplapping attachment when cut-

ting the edge of the workpiece. Attach the

shiplapping attachment to the guide rule

using the screws.

Align the right side of the cutter blade with

the cutting line. Move the guide rule until

the shiplapping attachment contacts the

side of the workpiece. Then tighten the

wing boltfirmly tosecure the guide rule.

Guide

rule

Shiplappingattachment

Removing

installingcutter blade

WARNING

Always be sure that the tool is switched off and unpluggedbefore removingor installing

the cutter blade.

remove the cutter blade, loosen the

wing bolt and take off the cutter cover.

Hold the outer flange with wrench

and

loosen the hex nut with wrench 19

turning counterclockwise. Remove the hex

nut, outer flange and cutter blade.

Loosen

install the cutter blade, mount the

flange, cutter blade, flange and hex nut

onto the spindle in that order, making

sure that the cutter blade

installed with

teeth pointingup

the front of the tool.

WARNING:

Remove

all

wood chips or foreign matter adhering to the spindle, flanges, etc. before

instal

ng the cutter blade.

Hex nut

Flange Flange

When using cutter blades

7.5

(5/16”)

wide or

less,

install

flange

betweenthe

cutter blade and the flange

shown inthe

figure.

Flange Cutter blade

Use the two wrenches to tighten the hex

nut securely.

Side

plates

WARNING:

Always make sure that the tool

switched off and unplugged before installing, removing

or adjustingthe side plates.

The side plates help to prevent splintering of workpieces.This tool

equippedwith two

side plate

21-30

(originally installed on the tool),

side plate

2.4-

(provided

standard equipment) and

side plate

33-

(provided

standard equipment). Use the

correct combination for the cutter bladetobe used. Refer tothe table below.

Width

cutter blade to be used

2.4

(13/16"

1-3/16")

On cutter cover side

Side plate 2.4

Side plate 21

Side plate

(3/32"

23/32")

(1-5/16"

1-13/16")

On belt cover side

Side plate 21

When installing the side plates, adjust them

that the clearances between the side of

the cutter blade and the side plates

are

approx.

0.1

(0.004").

Slowly revolve

the cutter blade by turning the drive

belt by hand to make sure that the clear-

ances

are

adequate. There must be no con-

tact when rotated.

Adjusting the indicationplate

WARNING

Always make sure that the tool

switched off and unplugged before makingany adjust-

ments.

Adjust the indication plate

follows when

replacing the cutter blade. Loosen the

knob on the belt cover. Move the handle

up or down until the cutter blade tips are

flush with the underside of the tool base

while revolving the cutter blade by turning

the drive belt by hand. Then tighten the

knob securely. Adjust the indication plate

that

points tothe

"0"

graduation.

When usingcutter blades

120

(4-3/4") india.

Depth indicator

When using cutter blades

110

(4-3/8')

in diameter, simply re-install the indication

plate upside down and adjust

so that

pointstothe

"0'

graduation.

When usingcutter blades

110

(4-3/8")

dia.

Indicationplate

Adjusting the scale plate

WARNING:

Always make sure that the tool

switched off and unplugged before making any adjust-

ment.

Adjust the scale plate

follows when

using cutter blades

13.5

(9/16')

wide

less.

Loosen the screws which secure the

scale

plate. Adjust the scale plate right or

left

that the arrow on the scale plate is

aligned with the side of the cutter blade

using the guide rule

shown in the figure.

Tighten the screws securely.

Scale plate Cutter blade

Miter guide rule (optional accessory)

WARNING:

Always make sure that the tool

switched off and unpluggedbefore making any adjust-

ments.

Loosen the wing bolt on the miter guide

rule. Place the miter guide rule on the

workpiece and adjust

that the ege

the miter guide rule

aligned with the cut-

ting line. Securely tighten the wing bolt on

the miter guide rule. Then position the

miter guide rule

that the arrow on the

scale plate on the tool

aligned with the

cutting line. Secure the miter guide rule

by stepping on the foot plate on the miter

guide rule. Move the tool gently forward

along the miter guide rule. Be especially careful to maintain proper balance and footing,

else

loss

of control and subsequent injury may result.

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