Makita LS1440 User Manual
Miter Saw
Equipped with Electric Blade Brake
355 mm (14”)
MODEL LS1440
DOUBLE
INSULATION
INSTRUCTION MANUAL
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
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SPECIFICATIONS
Blade diameter ............................................................................................... 355 mm (14”)
Hole diameter ..................................................................25 mm (31/32”) and 25.4 mm (1”)
Max. Miter angle ......................................................................................Left 45°, Right 45°
Max. Cutting capacities (H x W)
Miter angle
0° 45° (left and right)
122 mm x 152 mm
(4-3/4” x 6”)
No load speed (RPM) .......................................................................................... 3,200/min.
Dimensions (L x W x H) ........................530 mm x 440 mm x 610 mm (21” x 17-1/4” x 24”)
Net weight ....................................................................................................... 30 kg (66 lbs)
• Manufacturer reserves the right to change specifications without notice.
• Specifications may differ from country to country.
122 mm x 115 mm
(4-3/4” x 4-1/2”)
For Your Own Safety Read Instruction Manual
Before Operating Tool
Save it for future reference
GENERAL SAFETY PRECAUTIONS
(For All Tools)
1. KNOW YOUR POWER TOOL. Read the
owner’s manual carefully. Learn the tool’s
applications and limitations, as well as the
specific potential hazards peculiar to it.
2. KEEP GUARDS IN PLACE and in working
order.
3. REMOVE ADJUSTING KEYS AND
WRENCHES. Form habit of checking to
see that keys and adjusting wrenches are
removed from tool before turning it on.
4. KEEP WORK AREA CLEAN. Cluttered
areas and benches invite accidents.
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5. DON’T USE IN DANGEROUS ENVIRONMENT. Don’t use power tools in damp or
wet locations, or expose them to rain.
Keep work area well lighted. Don’t use
tool in presence of flammable liquids or
gases.
6. KEEP CHILDREN AWAY. All visitors
should be kept safe distance from work
area.
7. MAKE WORKSHOP KID PROOF with padlocks, master switches, or by removing
starter keys.
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8. DON’T FORCE TOOL. It will do the job better and safer at the rate for which it was
designed.
9. USE RIGHT TOOL. Don’t force tool or
attachment to do a job for which it was not
designed.
10. WEAR PROPER APPAREL. Do not wear
loose clothing, gloves, neckties, rings,
bracelets, or other jewelry which may get
caught in moving parts. Nonslip footwear
is recommended. Wear protective hair
covering to contain long hair.
11. ALWAYS USE SAFETY GLASSES. Also
use face or dust mask if cutting operation
is dusty. Everyday eyeglasses only have
impact resistant lenses, they are NOT
safety glasses.
12. SECURE WORK. Use clamps or a vise to
hold work when practical. It’s safer than
using your hand and it frees both hands
to operate tool.
13. DON’T OVERREACH. Keep proper footing
and balance at all times.
14. MAINTAIN TOOLS WITH CARE. Keep tools
sharp and clean for best and safest performance. Follow instructions for lubricating
and changing accessories.
15. DISCONNECT TOOLS before servicing;
when changing accessories such as
blades, bits, cutters, and the like.
16. REDUCE THE RISK OF UNINTENTIONAL
STARTING. Make sure switch is in off
position before plugging in.
17. USE RECOMMENDED ACCESSORIES.
Consult the owner’s manual for recommended accessories. The use of improper
accessories may cause risk of injury to
persons.
18. NEVER STAND ON TOOL. Serious injury
could occur if the tool is tipped or if the
cutting tool is unintentionally contacted.
19. CHECK DAMAGED PARTS. Before further
use of the tool, a guard or other part 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 its operation. A guard or other part
that is damaged should be properly
repaired or replaced.
20. DIRECTION OF FEED. Feed work into a
blade or cutter against the direction of
rotation of the blade or cutter only.
21. NEVER LEAVE TOOL RUNNING UNATTENDED. TURN POWER OFF. Don’t leave
tool until it comes to a complete stop.
22. REPLACEMENT PARTS. When servicing
use only identical replacement parts.
23. POLARIZED PLUGS. To reduce the risk of
electric shock, this equipment has a
polarized plug (one blade is wider than
the other). This plug will fit in a polarized
outlet only one way. If the plug does not fit
fully in the outlet, reverse the plug. If it
still does not fit, contact a qualified electrician to install the proper outlet. Do not
change the plug in any way.
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 to the tool. If in doubt, DO NOT PLUG IN THE
TOOL. Using a power source with voltage less than the nameplate rating is harmful to the
motor.
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USE PROPER EXTENSION CORD. Make sure your extension cord is in good condition.
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
More Than Not More Than AWG
0 6 18 16 16 14
6 10 18161412
10 12 16 16 14 12
12 16 14 12 Not Recommended
Volts Total length of cord in feet
120 V 25 ft. 50 ft. 100 ft. 150 ft.
ADDITIONAL SAFETY RULES USB037-2
DO NOT let comfort or familiarity with product (gained from
repeated use) replace strict adherence to miter saw safety rules.
If you use this tool unsafely or incorrectly, you can suffer serious personal injury.
1. Wear eye protection.
2. Keep hands out of path of saw blade.
Avoid contact with any coasting blade. It
can still cause severe injury.
3. Do not operate saw without guards in
place.
4. Do not perform any operation freehand.
The workpiece must be secured firmly
against the turn base and guide fence with
a vise during all operations. Never use
your hand to secure the workpiece.
5. Never reach around saw blade.
6. Turn off tool and wait for saw blade to
stop before moving workpiece or changing settings.
7. Unplug tool before changing blade or servicing.
8. Always secure all moving portions before
carrying the tool.
9. Do not use the tool in the presence of
flammable liquids or gases.
10. Check the blade carefully for cracks or
damage before operation. Replace
cracked or damaged blade immediately.
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.
Never use gasoline to clean blade.
11. Use only flanges specified for this tool.
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12. Be careful not to damage the arbor,
flanges (especially the installing surface)
or bolt. Damage to these parts could
result in blade breakage.
13. Make sure that the turn base is properly
secured so it will not move during operation. Use the holes in the base to fasten
the saw to a stable work platform or
bench. NEVER use tool where operator
positioning would be awkward.
14. For your safety, remove the chips, small
pieces, etc. from the table top before
operation.
15. Avoid cutting nails. Inspect for and
remove all nails from the workpiece
before operation.
16. Make sure the shaft lock is released
before the switch is turned on.
17. Be sure that the blade does not contact
the turn base in the lowest position.
18. Hold the handle firmly. Be aware that the
saw moves up or down slightly during
start-up and stopping.
19. Make sure the blade is not contacting the
workpiece before the switch is turned on.
20. Before using the tool on an actual workpiece, let it run for a while. Watch for
vibration or wobbling that could indicate
poor installation or a poorly balanced
blade.
21. Wait until the blade attains full speed
before cutting.
22. Stop operation immediately if you notice
anything abnormal.
23. Do not attempt to lock the trigger in the on
position.
24. Be alert at all times, especially during
repetitive, monotonous operations. Do
not be lulled into a false sense of security.
Blades are extremely unforgiving.
25. Always use accessories recommended in
this manual. Use of improper accessories
such as abrasive wheels may cause an
injury.
26. NEVER hold workpiece on right side of
blade with left hand or vice versa. This is
called cross-armed cutting and exposes
user to risk of SERIOUS PERSONAL
INJURY as shown in the figure. ALWAYS
use vise to secure workpiece.
27. Do not abuse cord. Never yank cord to
disconnect it from the receptacle. Keep
cord away from heat, oil, water and sharp
objects.
28. NEVER stack workpieces on the table top
to speed cutting operations. Cut only one
piece at a time.
29. 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.
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INSTALLATION
1
1. Handle latch
1
1. Bolt
Bench mounting
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When the tool is shipped, the handle is locked in the lowered
position by the handle latch. Release the handle latch by lowering the handle slightly and turn the handle latch to the
released position.
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This tool should be bolted with four bolts to a level and stable
surface using the bolt holes provided in the tool’s base. This
will help prevent tipping and possible injury.
FUNCTIONAL
DESCRIPTION
1. Blade guard
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CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
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Blade guard
When lowering the handle, the blade guard rises automatically. The guard is spring loaded so it returns to its original
position when the cut is completed and the handle is raised.
NEVER DEFEAT OR REMOVE THE BLADE GUARD OR
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THE SPRING WHICH ATTACHES TO THE GUARD.
In the interest of your personal safety, always maintain the
blade guard in good condition. Any irregular operation of the
blade guard should be corrected immediately. Check to
assure spring loaded return action of guard. NEVER USE
THE TOOL IF THE BLADE GUARD OR SPRING ARE DAMAGED, FAULTY OR REMOVED. DOING SO IS HIGHLY
DANGEROUS AND CAN CAUSE SERIOUS PERSONAL
INJURY.
1. Blade guard
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1. Turn base
2. Kerf board
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1
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2
If the see-through blade guard becomes dirty, or sawdust
adheres to it in such a way that the blade is no longer easily
visible, unplug the saw and clean the guard carefully with a
damp cloth. Do not use solvents or any petroleum-based
cleaners on the plastic guard.
If the blade guard is especially dirty and vision through the
guard is impaired, use the supplied socket wrench to loosen
the hex bolt holding the center cover. Loosen the hex bolt by
turning it counterclockwise and raise the blade guard and
center cover. With the blade guard so positioned, cleaning
can be more completely and efficiently accomplished. When
cleaning is complete, reverse procedure above and secure
bolt. Do not remove spring holding blade guard. If guard
becomes discolored through age or UV light exposure, contact a Makita service center for a new guard. DO NOT
DEFEAT OR REMOVE GUARD.
Kerf board
This tool is provided with the kerf board in the turn base to
minimize tearing on the exit side of a cut. If the kerf groove
has not yet been cut in the kerf board by the factory, you
should cut the groove before actually using the tool to cut a
workpiece. Switch on the tool and lower the blade gently to
cut a groove in the kerf board.
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2
1. Gear housing
2. Hex nut
3. Adjusting bolt
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Maintaining maximum cutting capacity
This tool is factory adjusted to provide the maximum cutting
capacity for a 355 mm (14”) saw blade.
3
When installing a new blade, always check the lower limit
position of the blade and if necessary, adjust it as follows:
First, unplug the tool. Lower the handle completely. Loosen
the hex nut at the rear of the gear housing. Use a screwdriver
to turn the adjusting bolt until the periphery of the blade
extends slightly below the top surface of the turn base at the
point where the front face of the guide fence meets the top
surface of the turn base.
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2
1
1. Top surface ot turn base
2. Periphery of blade
3. Guide fence
3
1. Pointer
2. Latch spring
3. Miter scale
4. Grip
1
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2
4
With the tool unplugged, rotate the blade by hand while holding the handle all the way down to be sure that the blade
does not contact any part of the lower base. Re-adjust
slightly, if necessary.
After adjusting, tighten the hex nut with the wrench while
carefully holding the adjusting bolt in position with the screwdriver.
3
At this time, make sure that the handle can be locked in the
lowered position by turning the handle latch. If the handle
cannot be locked so, turn the adjusting bolt so that the handle can be locked in the lowered position.
CAUTION:
• After installing a new blade, always be sure that the
blade does not contact any part of the lower base when
the handle is lowered completely. Always do this with the
tool unplugged.
Adjusting the miter angle
Loosen the grip by turning counterclockwise. Turn the turn
base while pressing down the lock lever. When you have
moved the grip to the position where the pointer points to the
desired angle on the miter scale, securely tighten the grip
clockwise.
CAUTION:
• When turning the turn base, be sure to raise the handle
fully.
• After changing the miter angle, always secure the turn
base by tightening the grip firmly.
Fence plate
The fence plate is designed to prevent smaller cutting scraps
from jamming inside the blade case. The fence plate moves
right or left automatically as the turn base is rotated.
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