Makita 5077B User Manual

185

mm

(744”)

Equlpped

MODEL

wlth

Electric

INSTRUCTION MANUAL

5077B

Blade Brake

SPEC

IF

Blade diameter

185

mm

I

CAT

(7-1/4”)

IONS

Max. cutting capacity

62

No

load speed Overall length Net weight

mm

(2-318”) 4,300 Rimin. 439

DOUBLE

INSULATION

mm

(17.114”) 6.3 kg (13.9

Ibs)

IMPORTANT

SAFETY

(For All

Tools)

INSTRUCTIONS

WARNING: When using electric tools, basic safety precautions

should

always

be

followed to reduce the risk of fire, electric

shock, and personal injury, including the following:

READ

ALL

INSTRUCTIONS.

1.

Keep work area clean.

2.

Consider work area environment.

locations. Keep work area well lit.
use tool in presence of flammable liquids or gases.

3.

Keep children away.

let visitors contact

4.

Store idle tools.

dry, high place

5.

Do not force tool.

intended.

6.

Use correct tool.

heavy-duty tool.
use circular saw for cutting tree limbs or logs.

7.

Dress appropriately.

caught in moving parts. Rubber gloves and non-skid footwear are
recommended when working outdoors. Wear protective hair covering
contain long hair.

Use safety glasses.

8.

9.

Do not abuse cord.

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

10.

Secure workpiece.

your hand; it also leaves both hands free

11.

Do

not over-reach.

12.

Maintain tools with care.

performance. Follow instructions for lubricating and changing accessories.

Inspect tool cords periodically and, if damaged, have repaired by authorized
service facility. Inspect extension cords periodically and replace
Keep handles dry, clean, and free from oil and grease.

Disconnect tools

13.

accessories, such as blades, bits, and cutters.

14.

Remove adjusting keys and wrenches.

adjusting wrenches are removed from

15.

Avoid unintentional starting.

switch. Be sure switch is OFF when plugging in.

16.

Check damaged parts.

that is damaged should be carefully checked to determine that it will operate
properly and perform its intended function. Check for alignment of moving
parts, binding of moving parts, breakage of parts, mounting, and any other
conditions that may affect tool operation.
should be properly repaired or replaced by an authorized service center unless
otherwise indicated elsewhere
should be replaced by an authorized service center.
switch does

-

Do

not

turn it on and off.

2

Cluttered areas and benches invite injuries.

Do

not use power tools in damp or wet

Do

not expose power tools to rain.

All

visitors should be kept away from work area.

tool

or extension cord.

When not in use,
out of reach of children.

It

will do the job better and safer at the rate for which it was

Do

not force small tool or attachment to do the job

not use

Do

not wear loose clothing or jewelry. They can be

Also

use face or dust mask

Never carry tool by cord or yank it

Use clamps or a vise to hold work. It is safer than using

Keep proper footing and balance at all times.

Keep tools sharp and clean for better and safer

when not in use, before servicing, and when changing

Before further use of the

tools

should be locked-up or stored in a

tool

for purpose not intended; for example, don’t

if

cutting operation is dusty.

to

disconnect from

to

operate tool.

if

damaged.

Check to ensure that keys and

tool

before turning the tool on.

Do

not carry plugged-in tool with finger on

tool,

a guard or other part

A

guard or other part that is damaged

in

this instruction manual. Defective switches

Do

not use tool

of

if

Do

to

the

Do

a

not

not

17.

Extension cords.

using an extension cord, be sure

Make sure your extension cord is in

to

use one heavy enough

good

condition. When

to

carry the current
your product will draw. An undersized cord will cause a drop in line voltage
resulting in

loss

of power and overheating. Table 1 shows the correct size
use depending on cord length and nameplate ampere rating. If in doubt, use
the next heavier gauge. The smaller the gauge number, the heavier the cord.

Table

1.

MINIMUM

Ampere Rating

More

NotMore

Than

I

I

18.

Outdoor use extension cords.

Than

0-6

6

-

10

10

-

12

12

-

16

extension cords intended for outdoor use and

19.

Stay alert.

20.

Guard against electric shock.

Watch what you are doing.

GAUGE

0-25

I

I

18
18
16
14

FOR CORD

Total Length

1

When

SETS

of

Cord in Feet

26-50 1 51-100 1 101-150

AWG

16 16 14
16 14 12
16 14 12
12

tool

Do

Not

recommended

is used outdoors, use only

so

marked.

not operate tool when you are tired.

Prevent body contact with grounded surfaces,

for example: pipes, radiators, ranges, refrigerator enclosures.

21.

Replacement parts.

22.

Polarized plugs:

When servicing,

To

reduce the risk of electric shock, this equipment has a

use

only identical replacement part.

polarized plug (one blade is wider than the other). This plug will fit in a

If

polarized outlet only one way.
the plug.
outlet.

If

it still does not fit, contact a qualified electrician

Do

not change the plug in any way.

the plug does not fit fully in the outlet, reverse

to

install the proper

to

3

VOLTAGE WARNING:

Before connecting the tool to a 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
than that specified for the tool can result in SERIOUS INJURY to the user, as
well as damage the tool.

in doubt,

DO

NOT PLUG IN

THE

TOOL.

Using a

If

power source with voltage less than the nameplate rating is harmful to the
motor.

4

ADDITIONAL SAFETY RULES

1.

Keep Guards In Place and In Working Order.
Never wedge or tie lower guard open. Check operation of lower guard be-

fore each use. Don’t use

If

CAUTION:

2.

Keep Blades Clean and Sharp.
Sharp blades minimize stalling and kickback.

3.

DANGER: Keep Hands Away From Cutting Area.
Keep hands away

is rotating. Don’t attempt to remove cut material when blade
CAUTION: Blades coast after turn off.

4.

Support Large Panels.
Large panels must be supported as
shown
of blade pinching and kickback.
When cutting operation requires
the resting of the saw on the work
piece, the saw shall be rested on
the larger portion and the smaller

piece cut off.

saw is dropped, lower guard may be bent, restricting full return.

in

Fig. 1 to minimize the risk

if

lower guard does not close briskly over saw blade.

from

blades. Don’t reach underneath work while blade

6+4!k=a

is

moving.

To avoid

or panel near the cut.

Don‘t

from the cut.

5.

Use Rip Fence.

Always use a fence or straight edge guide when ripping.

6.

Guard Against Kickback.
Kickback occurs when the saw stalls rapidly and is driven back towards the
operator. Release switch immediately if blade binds or saw stalls. Keep blades
sharp. Support large panels as shown in Fig.
guide when ripping. Don’t force tool. Stay alert exercise control. Don’t re­move saw from work during a cut while

kickback,

support board or panel away

1.

Use fence or straight edge

the

blade is moving.

do support board

Fig.

Fig.

2

5

NEVER place your hand or fingers
behind the saw. If kickback occurs,
the saw could easily jump back­wards over your hand, possibly
causing severe injury.

7.

Lower Guard. Raise lower guard

8.

Adjustments. Before cutting be sure depth and bevel adjustments are tight.

9.

Use Only Correct Blades

In

with

the retracting handle.

Mounting. Don’t use blades with incorrect size

holes. Never use defective or incorrect blade washers or bolts.

IO.

Avoid Cutting Nails. Inspect for and remove all nails from lumber before
cutting.

11.

When operating the saw, keep the

cord away from the cutting area

and position

it

so

that

it

will not be
caught on the workpiece during
the cutting operation.
Operate

with

proper hand support,
proper workpiece support, and
supply cord routing away from the
work area.

Fig.

A

typical illustration
support, workpiece support, and
supply cord routing.

of

proper hand

WARNING:

It

is important to support the workpiece properly and to hold the saw firmly

loss

to prevent

of control which could cause personal injury. Fig. 4 illustrates

typical hand support of the saw.

6

12.

Place the wider portion of the saw base on that part of the workpiece which
is solidly supported, not on the section that will fall off when the cut is made.

As

examples, Fig. 5 illustrates the RIGHT way to cut off the end

and Fig. 6 the WRONG way. If the workpiece

DON'T TRY TO HOLD SHORT PLECES BY HAND!

is

short or small, clamp

of

a

board,

it

down.

Fig.

13.

Never attempt to saw with the cir­cular saw held upside down in a

14.

Before setting the tool down after completing a cut, be sure that the lower
(telescoping) guard has closed and the blade has come to a complete stop.

SAVE

THESE INSTRUCTIONS.

Fig.

7

Removing

CAUTION
Always

or

installing saw blade

:

be

sure that the tool

is

switched off and unplugged before removing or installing

the blade.
To remove the blade, press the shaft lock

so

that the blade cannot revolve and use
the wrench to loosen the hex bolt clock­wise. Then remove the hex bolt, outer
flange and blade.

To

install the blade, follow the removal
procedure in reverse. BE SURE TO
TIGHTEN THE HEX BOLT SECURELY.

CAUTION

:

.Be sure the blade

at

pointing up

the front of the tool.

is

installed with teeth

inner flange

Blade Outer flange

\

*Use only the Makita wrenches to install

or remove the blade.

*One side

of

the inner flange

is

for

5/8"

hole diameter of the blade; the other side

is

for

13/16"

hole diameter.

I

Use the correct side for the hole diameter of the blade you intend to use. Mounting the
blade on the wrong side can result in dangerous vibration.

a

Fig.

Fig.

9

1(

Adjusting depth

Loosen

the

lever

of

cut

on

the

depth guide and
move the base up or down. At the desired
depth of cut, secure the base

by

tightening

the lever.

CAUTION

:

Use a shallow depth of cut when cutting thin workpiece for cleaner, safer cuts.

*After adjusting the depth of cut, always tighten the lever securely.

Bevel

cutting

Loosen

the front of the

angle

the lever on the bevel

base.

(0"

-45')

by tilting accordingly, then

Set

scale

for

the desired

plate on

tighten the lever securely.

Fig. 1

Sighting

left

For straight cuts, align the

notch in the

front of the base with your cutting line on

45"

the workpiece. For

the right notch with

bevel cuts, align

it.

I

For straight

cuts

I1

Bevel

For

45"

bevel

Base plate

scale plats

cuts

Fig.

1

9

Switch action

To

start the tool, simply pull the trigger.

Release

CAUTION
Before plugging in the tool, always check
to
perly and returns to the
when released.

Operation
Grasp the rear handle with your right hand,

the front grip with your
plate on the workpiece to be cut without
the blade making any contact. Then turn
the tool on and wait until the blade attains
full speed. Now simply move the tool for­ward over the workpiece surface, keeping

it

sawing
keep your sawing line straight and your
speed of advance uniform.

the trigger

:

see

that the trigger switch actuates pro-

flat and advancing smoothly until the

is

completed.

to

stop.

To

"OFF"

left.

Set

get

clean cuts,

position

the base

-

Trigger

switch

Guide rule

The handy guide rule allows you to do
extra-accurate straight cuts. Simply slide
the guide rule up snugly against the side
of the workpiece and secure
with the wing bolt on the front of the base.

It

also makes repeated cuts of uniform

workpiece width possible, too.

10

it

in position

Fie.

Fig.

1!

16

MAINTENANCE

CAUTION
Always be sure that the tool
inspection or maintenance.

Replacing carbon brushes

Remove and check the carbon brushes
regularly. Replace when they wear down
to the limit mark. Keep the carbon brushes
clean and free to slip in the holders. Both
carbon brushes should be replaced
same time. Use only Makita carbon brushes.

Use
holder caps. Take out the worn carbon
brushes, insert the new ones and secure the
brush holder caps.

:

is

switched off and unplugged before attempting

a

screwdriver to remove the brush

at

the

I

to

perform

Limit

mark

Fig.

1'

I

Screwdriver

1

To

maintain product SAFETY and RELIABILITY, repairs, any other maintenance or

adjustment should

be performed by Makita Authorized or

Factory Service Centers,

always using Makita replacement parts.

Fig.

18

OPTIONAL

The accessories listed in this manual are available at an extra cost from your Makita distributor or Makita factory
service center. Service centers are listed on the warranty card packed with your

ACCESSORIES

tool.

CAUTION

These accessories or attachments are recommended for use with your Makita tool specified in this
manual. The use of any other accessories or attachments might present
The accessories

0

Guide
Part

0

Wrench

Part

Saws

Chisel tooth combination saw blade

For rip and cross-cut work.

Most

general carpentry.

Part

792436-4

:

or

attachments should

rule

No.

164095-8

13

No.

782016-4

frequently used for

No.

Diameter

I I

Hole

diameter

5/8”

a

be

used only in the proper and intended manner.

0

Steel carrying
Part

No.

823204-5

Carbide-tipped
Faster, smoother, longer sawing

without blade sharpening.
Cuts wood, drywall, plastics,
hard wood, etc.

teeth

I

No.

20

Part

No.

Diameter

risk of injury to persons.

case

saw

blade

Hole

diameter

No.

teeth

Combination saw blade

No.

Part

792446-1

12

Diameter

I

7-1

I

(185

14-

mm)

Hole

diameter

1-

518”

I

teeth

I

No.

40

185

mm

HYPOID

Model

5077B

(7-1/4")

SAW

May-26-'87

US

Note The switch, noise suppressor and other part conftguratlons

may

differ from country

to

country.

13

MODEL

'iLM

MACHINE

1

2

3

4
5

6

7

8

9
10
11
12
13
14
15
16

17

1s
19

20

21

22

23

24
25

26

27

28

29

30
31

32

33

34

36

37

38

39

40

-

Note:

50778

&

1
1
1
1
1
1
1
1
1
1

3

1
1
1
1
1

1

1
1

3

1
1
1

2

1
4
4

2

2

1
1

1

1

2

1
1
1
1

4

-

The switch

DESCRIPTION

Hex

Flange

Hesd

Outer

Flange
Inner Flange
Spindle

Woodruff
Bearing

Ball

Retaining

Safety

Tension Spring

Pan

Bsarlng

Hex

Rubber

~aii

Retaining

Hypoid

Sleeve
Blade

Hex

Rubber

Countersunk Head

Indication

Rivet

Name

Flat

Hex

Brush

Carbon Brush

Motor
Cord
Cord Guard

Strain

Pan
Handle

Rubber

Switch

Dust

Pan

and

40

40

Key

4

Retainer

23-36

Bearing

6003LLB

Ring

5-42

Cover

4

Head

Screw

M5x20

BOX

Socket Head Bolt M6x12

Pin

4

BearlngwLLe

Ring

S-16

Gear36

16

Care

Socket Head

Sleeve

6

Label

0-5

Plate

Washer

5

Socket

Head

Holder

Cap

Housing

Relief

Head

Screw

Cover

Pin

4

cover

Head

Screw

other part specifications

Bolt

Bolt

Screw

Bolt

M4x18

M4x25

M8x20

!With Washer]

M6x25

!With Warherl

M6x28

M5x30

lWith Washer)

IWRh Washer)

may

differ from country

'iLM

MACHINE

41
42
43
44
45
46
47
48
49

50

51

52

53

54
55

56

57

58

59

60

61

62

63

64

65

66

67
68

69

70
71
72
73
74
75
76
77
76

-

to

country.

At.,

DESCRIPTION

2

Hex

2

Flat

1

Side Grip

1

LWB,

1

Pan

1

Ring Spring

Pin

1
1

compresrlon

1

Retaining

1

Gear

1

Seal

1

Ball Bearing
Binding Head

3

1

Fan

1

ARMATURE ASSEMBLY

lWith

1

Insulation

1

Ball

1

Baffle
Hex

2

FIELD ASSEMBLY

1
1

Flat

1

Base

1

wing

1

Cap

1

Screw

1

Flat

1

Flat

LeYe,

1
1

Lock

1

Hex

1

Pan

1

Spring

1

Hex

1

Lock

1

Lever

1

Flat

1

Flat

1

Pan

-

Socket

Head

Washer

Head

6

Housing

Ring 17

92

Bearing

Bolt M5x65

Washer

Square

Washer

Washer

Head

Washer
Washer

Hesd

Bolt M5x14

5

Screw

M4x10

8

sprmg

Ring

S-

17

6203LLB

Screw

Item 52 & 54 - 571

Washer

608LB

Plate

lWith Washer]

8

em

~5x10

Neck

Bolt M8x24

M5x12

8

8

Plate

Plate

Nut

MB

Screw

M4xB

Pin

6-45

Bolt

M8x28

Plate

Plate

8

8

Screw

M4x8

IWith Washed

7

M5x12

IWith Warherl

(With

Washer)

May-26-'87

US

14

MAKITA

LIMITED

ONE

YEAR WARRANTY

Warranty

Every Makita tool is thoroughly inspected and tested before leaving the factory.

be free of defects from workmanship and materials for the period

original purchase. Should any trouble develop during this one-year period, retum the COMPLETE

tool,

freight prepaid, to one of Makita’s Factory or Authorized Service Centers.
the trouble is caused by defective workmanship
replace) without charge.

This Warranty does not apply where:

repairs have been made or attempted by others:

repairs are required because of normal wear and tear:

The

tool

has been abused, misused or improperly maintained;

alterations have been made

IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CON­SEQUENTIAL DAMAGES FROM THE SALE OR USE OF THE PRODUCT. THIS DISCLAIMER
APPLIES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY.

MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED
WARRANTIES OF “MERCHANTABILITY” AND “FITNESS FOR A SPECIFIC PURPOSE,”
AFTER THE ONE-YEAR TERM OF THIS WARRANTY.

This Warranty gives you specific legal rights, and you may also have other rights which vary from
state to state. Some states do not allow the exclusion or limitation
damages,

so

limitation on how long an implied warranty lasts,

the above limitation or exclusion may not apply to you. Some states do not allow

c___

to

the

tool.

Policy

of

ONE YEAR from the date

or

material, Makita will repair

so

the above limitation may not apply

If

of

incidental or consequential

It

is warranted to

inspection

(or

at our option,

to

you.

of

shows

MCA

-

a195

Makita Corporation

2650

Gainesville

Buford,

GA

305

883588E065

of

America

Hwy

18

PRINTED

IN

U.S.A.

1995-9-c