Makita 5377MG Owner's Manual

INSTRUCTION MANUAL
MANUEL D'INSTRUCTION
MANUAL DE INSTRUCCIONES

Hypoid Saw
Scie hypoïde
Sierra Circular

5377MG

007392

WARNING:

For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.

AVERTISSEMENT:

Pour votre propre sécurité, prière de lire attentivement avant l'utilisation.
GARDER CES INSTRUCTIONS POUR RÉFÉRENCE ULTÉRIEURE.

ADVERTENCIA:

Para su seguridad personal, LEA DETENIDAMENTE este manual antes de usar la
herramienta.
GUARDE ESTAS INSTRUCCIONES PARA FUTURA REFERENCIA.

1

ENGLISH

SPECIFICATIONS

Model 5377MG

Blade diameter

Max. Cutting depth

No load speed (RPM)

Overall length

Net weight

• Due to our continuing programme of research and development, the specifications herein are subject to change without notice.

• Note: Specifications may differ from country to country.

GENERAL SAFETY RULES

(For All Tools)

WARNING! Read and understand all instructions.

Failure to follow all instructions listed below, may result
in electric shock, fire and/or serious personal injury.

SAVE THESE INSTRUCTIONS.

Work Area

1. Keep your work area clean and well lit.

Cluttered benches and dark areas invite
accidents.

2. Do not operate power tools in explosive

atmospheres, such as in the presence of
flammable liquids, gases or dust. Power tools

create sparks which may ignite the dust or fumes.

3. Keep bystanders, children, and visitors away
while operating a power tool. Distractions can
cause you to lose control.

Electrical Safety

4. Grounded tools must be plugged into an
outlet properly installed and grounded in
accordance with all codes and ordinances.
Never remove the grounding prong or modify
the plug in any way. Do not use any adaptor
plugs. Check with a qualified electrician if you
are in doubt as to whether the outlet is
properly grounded. If the tools should electrically

malfunction or break down, grounding provides a
low resistance path to carry electricity away from
the user.

5. Avoid body contact with grounded surfaces

such as pipes, radiators, ranges and
refrigerators. There is an increased risk of

electric shock if your body is grounded.

6. Do not expose power tools to rain or wet
conditions. Water entering a power tool will

at 90°
at 45°
at 50° 40 mm (1-9/16")

USA001-3

increase the risk of electric shock.

7. Do not abuse the cord. Never use the cord to

carry the tools or pull the plug from an outlet.
Keep cord away from heat, oil, sharp edges or
moving parts. Replace damaged cords
immediately. Damaged cords increase the risk of

electric shock.

8. When operating a power tool outside, use an
outdoor extension cord marked "W-A" or "W".
These cords are rated for outdoor use and reduce
the risk of electric shock.

Personal Safety

9. Stay alert, watch what you are doing and use
common sense when operating a power tool.
Do not use tool while tired or under the
influence of drugs, alcohol, or medication. A

moment of inattention while operating power tools
may result in serious personal injury.

10. Dress properly. Do not wear loose clothing or

jewelry. Contain long hair. Keep your hair,
clothing, and gloves away from moving parts.

Loose clothes, jewelry, or long hair can be caught
in moving parts.

11. Avoid accidental starting. Be sure switch is off
before plugging in. Carrying tools with your
finger on the switch or plugging in tools that have
the switch on invites accidents.

12. Remove adjusting keys or wrenches before
turning the tool on. A wrench or a key that is left
attached to a rotating part of the tool may result in
personal injury.

13. Do not overreach. Keep proper footing and
balance at all times. Proper footing and balance
enables better control of the tool in unexpected
situations.

14. Use safety equipment. Always wear eye
protection. Dust mask, non-skid safety shoes,
hard hat, or hearing protection must be used for
appropriate conditions. Ordinary eye or sun
glasses are NOT eye protection.

185 mm (7-1/4")

60 mm (2-3/8")
44 mm (1-3/4")

4,500/min.

450 mm (17-3/4")

5.9 kg (13.0 lbs)

2

Tool Use and Care

15. Use clamps or other practical way to secure
and support the workpiece to a stable platform.

Holding the work by hand or against your body is
unstable and may lead to loss of control.

16. Do not force tool. Use the correct tool for your
application. The correct tool will do the job better
and safer at the rate for which it is designed.

17. Do not use tool if switch does not turn it on or
off. Any tool that cannot be controlled with the
switch is dangerous and must be repaired.

18. Disconnect the plug from the power source

before making any adjustments, changing
accessories, or storing the tool. Such

preventive safety measures reduce the risk of
starting the tool accidentally.

19. Store idle tools out of reach of children and
other untrained persons. Tools are dangerous in
the hands of untrained users.

20. Maintain tools with care. Keep cutting tools
sharp and clean. Properly maintained tools with
sharp cutting edges are less likely to bind and are
easier to control.

21. Check for misalignment or binding of moving

parts, breakage of parts, and any other
condition that may affect the tool’s operation.
If damaged, have the tool serviced before
using. Many accidents are caused by poorly

maintained tools.

22. Use only accessories that are recommended

by the manufacturer for your model.
Accessories that may be suitable for one tool,
may become hazardous when used on another
tool.

SERVICE

23. Tool service must be performed only by
qualified repair personnel. Service or

maintenance performed by unqualified personnel
could result in a risk of injury.

24. When servicing a tool, use only identical

replacement parts. Follow instructions in the
Maintenance section of this manual. Use of

unauthorized parts or failure to follow
Maintenance instructions may create a risk of
electric shock or injury.

USE PROPER EXTENSION CORD. Use only
three-wire extension cords that have three-prong
grounding-type plugs and three-pole receptacles
that accept the tool’s plug. Make sure your
extension cord is in good condition. Replace or
repair damaged or worn cord immediately. When
using an extension cord, be sure to use one heavy
enough 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 to use depending on cord
length and nameplate ampere rating. If in doubt, use
the next heavier gage. The smaller the gage number,
the heavier the cord.

Table 1: Minimum gage for cord

Ampere Rating

Volts Total length of cord in feet

120 V 25 ft. 50 ft. 100 ft. 150 ft.

More Than Not More Than AWG

0 6 18 16 16 14

18 16 14 12610

10 12 16 16 14 12

000173

GROUNDING INSTRUCTIONS:
This tool should be grounded while in use to protect
the operator from electric shock. The tool is
equipped with a three-conductor cord and
three-prong grounding type plug to fit the proper
grounding type receptacle. The green (or green and
yellow) conductor in the cord is the grounding wire.
Never connect the green (or green and yellow) wire
to a live terminal. Your unit is for use on 120 volts
and has a plug that looks like Fig. "A".

12 16 14 12

Fig. A

Grounding

000088

3

Blade

Not Recommended

Cover of Grounded

Outlet Box

USB066-1

SPECIFIC SAFETY RULES

DO NOT let comfort or familiarity with product
(gained from repeated use) replace strict adherence
to circular saw safety rules. If you use this tool
unsafely or incorrectly, you can suffer serious
personal injury.

1. DANGER! Keep hands away from cutting area
and blade. Keep your second hand on
auxiliary handle, or motor housing. If both

hands are holding the saw, they cannot be cut by
the blade.

Keep your body positioned to either side of
the saw blade, but not in line with the saw
blade. KICKBACK could cause the saw to jump

backwards. (See "Causes and Operator
Prevention of Kickback")
Do not reach underneath the work. The guard
can not protect you from the blade below the work.
Do not attempt to remove cut material when blade
is moving.
CAUTION: Blades coast after turn off. Wait until
blade stops before grasping cut material.

2. Check lower guard for proper closing before

each use. Do not operate saw if lower guard
does not move freely and close instantly.
Never clamp or tie the lower guard into the
open position. If saw is accidentally dropped,

lower guard may be bent. Raise the lower guard
with the Retracting Lever and make sure it moves
freely and does not touch the blade or any other
part, in all angles and depths of cut.
To check lower guard, open lower guard by hand,
then release and watch guard closure. Also check
to see that Retracting Lever does not touch tool
housing. Leaving blade exposed is VERY
DANGEROUS and can lead to serious personal
injury.

3. Check the operation and condition of the

lower guard spring. If the guard and the spring
are not operating properly, they must be
serviced before use. Lower guard may operate

sluggishly due to damaged parts, gummy deposits,
or a buildup of debris.

4. Lower guard should be retracted manually

only for special cuts such as "Pocket Cuts"
and "Compound Cuts." Raise lower guard by
Retracting Lever. As soon as blade enters the
material, lower guard must be released. For all

other sawing, the lower guard should operate
automatically.

5. Always observe that the lower guard is

covering the blade before placing saw down

on bench or floor. An unprotected, coasting

blade will cause the saw to walk backwards,
cutting whatever is in its path. Be aware of the
time it takes for the blade to stop after switch is
released.

6. NEVER hold piece being cut in your hands or
across your leg. It is important to support the
work properly to minimize body exposure, blade
binding, or loss of control.

7. Hold tool by insulated gripping surfaces when

performing an operation where the cutting tool
may contact hidden wiring or its own cord.

Contact with a "live" wire will make exposed metal
parts of the tool "live" and shock the operator.

8. When ripping always use a rip fence or
straight edge guide. This improves the accuracy
of cut and reduces the chance for blade binding.

9. Always use blades with correct size and shape
(diamond versus round) of arbour holes.
Blades that do not match the mounting hardware
of the saw will run eccentrically, causing loss of
control.

10. Never use damaged or incorrect blade
washers or bolts. The blade washers and bolt
were specially designed for your saw, for optimum
performance and safety of operation.

11. Causes and Operator Prevention of Kickback:
Kickback is a sudden reaction to a pinched, bound
or misaligned saw blade, causing an uncontrolled
saw to lift up and out of the workpiece toward the
operator.
When the blade is pinched or bound tightly by the
kerf closing down, the blade stalls and the motor
reaction drives the unit rapidly back toward the
operator.
If the blade becomes twisted or misaligned in the
cut, the teeth at the back edge of the blade can
dig into the top surface of the wood causing the
blade to climb out of the kerf and jump back
toward operator.
Kickback is the result of tool misuse and/or
incorrect operating procedures or conditions and
can be avoided by taking proper precautions as
given below:

Maintain a firm grip with both hands on the saw
and position your body and arm to allow you to
resist KICKBACK forces. KICKBACK forces can

be controlled by the operator, if proper precautions
are taken.

When blade is binding, or when interrupting a
cut for any reason, release the trigger and hold
the saw motionless in the material until the
blade comes to a complete stop. Never attempt
to remove the saw from the work or pull the
saw backward while the blade is in motion or

4

kickback may occur. Investigate and take
corrective actions to eliminate the cause of blade
binding.

When restarting a saw in the workpiece, center
the saw blade in the kerf and check that saw
teeth are not engaged into the material. If saw

blade is binding, it may walk up or KICKBACK from
the workpiece as the saw is restarted.

Support large panels to minimize the risk of
blade pinching and KICKBACK. Large panels

tend to sag under their own weight. Supports must
be placed under the panel on both sides, near the
line of cut and near the edge of the panel as shown
in Fig. 1.
To minimize the risk of blade pinching and kickback.
When cutting operation requires the resting of the
saw on the workpiece, the saw should be rested on
the larger portion and the smaller piece cut off.

Fig.1

Never use gasoline.

Blade depth and bevel adjusting locking levers
must be tight and secure before making cut. If

blade adjustment shifts while cutting, it may cause
binding and kickback.

Use extra caution when making a "Pocket Cut"
into existing walls or other blind areas. The

protruding blade may cut objects that can cause
KICKBACK. For pocket cuts, retract lower guard
using Retracting Lever.

ALWAYS hold the tool firmly with both hands.
NEVER place your hand or fingers behind the
saw. If kickback occurs, the saw could easily jump

backwards over your hand, leading to serious
personal injury.

Fig. 3

To avoid kickback, do support

board or panel near the cut.

000142

Fig.2

Do not support board or
panel away from the cut.

000143

Do not use dull or damaged blade. Unsharpened
or improperly set blades produce narrow kerf
causing excessive friction, blade binding and
KICKBACK. Keep blade sharp and clean. Gum
and wood pitch hardened on blades slows saw and
increases potential for kickback. Keep blade clean
by first removing it from tool, then cleaning it with
gum and pitch remover, hot water or kerosene.

000160

Never force the saw. Forcing the saw can
cause uneven cuts, loss of accuracy, and
possible kickback. Push the saw forward at a

speed so that the blade cuts without slowing.

12. Use extra caution when cutting damp wood,

pressure treated lumber, or wood containing
knots. Adjust speed of cut to maintain smooth

advancement of tool without decrease in blade
speed.

13. Adjustments. Before cutting be sure depth

and bevel adjustments are tight.

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

15. 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. The tool is provided with a
front grip and rear handle for two hand
operation. Operate with proper hand support,
proper workpiece support, and supply cord
routing away from the work area.
WARNING: It is important to support the
workpiece properly and to hold the saw firmly
to prevent loss of control which could cause
personal injury. Fig. 4 illustrates typical hand

5

support of the saw.

Fig. 4

Fig. 7

A typical illustration of proper hand support,
workpiece support, and supply cord routing.

000161

16. 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 of
a board, and Fig. 6 the WRONG way. If the
workpiece is short or small, clamp it down. DO
NOT TRY TO HOLD SHORT PIECES BY HAND!

Fig. 5

000163

Fig. 6

000165

17. Never attempt to saw with the circular saw

held upside down in a vise. This is extremely
dangerous and can lead to serious accidents.

000152

18. WARNING: Blade coasts to stop after switch is

released. Contact with coasting blade can
cause serious injury. 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.

19. Some material contains chemicals which may
be toxic. Take caution to prevent dust
inhalation and skin contact. Follow material
supplier safety data.

SAVE THESE INSTRUCTIONS.

WARNING:

MISUSE or failure to follow the safety rules stated in
this instruction manual may cause serious personal
injury.

Symbols

The followings show the symbols used for tool.

FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and

6

･ volts

･ amperes

･ hertz

･ alternating current

･ no load speed

･ revolutions or reciprocation per minute

unplugged before adjusting or checking function on
the tool.

USD101-2

Adjusting depth of cut

the bevel angle can be adjusted 0 - 22.5°;when the

1. Lever

arrow points 45, it can be adjusted 0 - 45°; when
the arrow points 51.5, it can be adjusted 0 - 51.5°.

Sighting

A B

1

1. Base

1

007393

CAUTION:

• After adjusting the depth of cut, always tighten the

lever securely.
Loosen the lever on the depth guide and move the base
up or down. At the desired depth of cut, secure the base
by tightening the lever.
For cleaner, safer cuts, set cut depth so that no more
than one blade tooth projects below workpiece. Using
proper cut depth helps to reduce potential for dangerous
KICKBACKS which can cause personal injury.

Bevel cutting

Positive stopper

22.5

51.5

45

51.5

22.5

45

2

007394

Turn the positive stopper so that the arrow on it points
one of three positions (22.5°,45°,51.5°). Then, tilt the
tool base until it stops and secure the base with the lever.
At this time, the same angle as the one that the arrow
points is obtained.

Setting bevel angle

Loosen the lever and tentatively set the tool base at the
0°bevel angle, then tighten the lever securely.
Turn the positive stopper so that the arrow on it points
one of three positions (22.5°,45°,51.5°) that is equal to
or greater than the desired bevel angle.
Loosen the lever again and then tilt and secure the tool
base at the desired angle securely.

NOTE:

• When changing the positive stopper's position,

loosening the lever and tilting the bevel angle to

less than the desired stopper position number

allows to change it.

• When the arrow on the positive stopper points 22.5,

1. Lever

2. Positive stopper

1

007395

For straight cuts, align the A position on the front of the
base with your cutting line. For 45° bevel cuts, align the
B position with it.

Switch action

1. Switch trigger

1

007396

CAUTION:

• Before plugging in the tool, always check to see

that the switch trigger actuates properly and

returns to the "OFF" position when released.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.

Hook

1. Hook

1

007397

CAUTION:

• Always unplug the tool when hanging the tool

using the hook.

• Never hook the tool at high location or on

potentially unstable surface.
The hook is convenient for hanging the tool temporarily.

7

To use the hook, simply lift up hook until it snaps into the
open position.
When not in use, always lower hook until it snaps into
the closed position.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the
tool.

Hex wrench storage

1. Grip

1

2. Hex wrench

2

007405

Hex wrench is stored on the tool. To remove hex wrench,
rotate it toward yourself and pull it out.
To install hex wrench, place it on the grip and turn it until
it comes into contact with the protrusion on the grip.

Removing or installing saw blade

1

007398

CAUTION:

• Be sure the blade is installed with teeth pointing up

at the front of the tool.

• Use only the Makita wrench to install or remove the

blade.
To remove the blade, press the shaft lock so that the
blade cannot revolve and use the hex 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
COUNTERCLOCKWISE SECURELY.

1. Shaft lock

2. Hex wrench

2

1. Saw blade

2. Outer flange

3. Hex bolt

4. Inner flange

1

5. Ring 17

2

3

007399

5

4

When changing blade, make sure to also clean upper
and lower blade guards of accumulated sawdust. Such
efforts do not, however, replace the need to check lower
guard operation before each use.

CAUTION:

• One side of the inner flange is for 5/8" hole

diameter of the blade and the other side is for
13/16" hole diameter. 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.

4

5

1. Ring 17

2. Inner flange

3. Blade

4. Outer flange

5. Hex bolt

6. Mounting shaft

2

1

13/16"

3

5/8"

6

007400

OPERATION

CAUTION:

• Be sure to move the tool forward in a straight line

gently. Forcing or twisting the tool will result in
overheating the motor and dangerous kickback,
possibly causing severe injury.

1. Rear handle

2

007401

Hold the tool firmly. The tool is provided with both a front
grip and rear handle. Use both to best grasp the tool. If
both hands are holding saw, they cannot be cut by the

1

2. Front grip

3. Base

3

8

blade. Set the base 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
flat and advancing smoothly until the sawing is
completed.
To get clean cuts, keep your sawing line straight and
your speed of advance uniform. If the cut fails to properly
follow your intended cut line, do not attempt to turn or
force the tool back to the cut line. Doing so may bind the
blade and lead to dangerous kickback and possible
serious injury. Release switch, wait for blade to stop and
then withdraw tool. Realign tool on new cut line, and
start cut again. Attempt to avoid positioning which
exposes operator to chips and wood dust being ejected
from saw. Use eye protection to help avoid injury.

Rip fence (Guide rule) - optional accessory

1. Rip fence
(Guide rule)

1

007403

1

007404

Replacing carbon brushes

1. Adjusting screw

for 90 ﾟ

1. Triangular rule

1. Limit mark

1

007402

The handy rip fence allows you to do extra-accurate
straight cuts. Simply slide the rip fence up snugly against
the side of the workpiece and secure it in position with
the screw on the front of the base. It also makes
repeated cuts of uniform width possible.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and

unplugged before attempting to perform inspection
or maintenance.

Adjusting for accuracy of 90° cut (vertical cut)

This adjustment has been made at the factory. But if it is
off, adjust the adjusting screw with a hex wrench while
squaring the blade with the base using a triangular rule,
try square, etc.

CAUTION:

• Do not touch or tamper two securing screw.

1

001145

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 at the same
time. Use only identical carbon brushes.
Use a screwdriver to remove the brush holder caps.
Take out the worn carbon brushes, insert the new ones
and secure the brush holder caps.

1. Brush holder

2

001521

cap

2. 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.

9

ACCESSORIES

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 a risk of
injury to persons. Only use accessory or

attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.

• Steel & Carbide-tipped saw blades

Combination

Pressure treated/
Wet lumber

006545

• Rip fence (Guide rule)

• Hex wrench

General purpose blade for fast and smooth rip,
crosscuts and miters.

Designed for fast cutting of pressure treated and
wet lumber.

MAKITA LIMITED ONE YEAR WARRANTY

Warranty Policy

Every Makita tool is thoroughly inspected and tested
before leaving the factory. It is warranted to be free of
defects from workmanship and materials for the period
of ONE YEAR from the date of original purchase.
Should any trouble develop during this one year period,
return the COMPLETE tool, freight prepaid, to one of
Makita’s Factory or Authorized Service Centers. If
inspection shows the trouble is caused by defective
workmanship or material, Makita will repair (or at our
option, 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 to the tool.

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 of incidental or consequential damages, so
the above limitation or exclusion may not apply to you.
Some states do not allow limitation on how long an
implied warranty lasts, so the above limitation may not
apply to you.

EN0006-1

10