Makita Saw 4340CT User Manual

Jig Saw  
MODEL 4340T  
MODEL 4340CT  
MODEL 4340FCT  
001905  
DOUBLE  
INSULATION  
I N S T R U C T I O N M A N U A L  
WARNING:  
For your personal safety, READ and UNDERSTAND before using.  
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.  
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GENERAL SAFETY RULES  
GEA001-3  
WARNING:  
Read all instructions. Failure to follow all instructions listed below may result in  
electric shock, fire and/or serious injury. The term “power tool” in all of the  
warnings listed below refers to your mains-operated (corded) power tool or battery-  
operated (cordless) power tool.  
SAVE THESE INSTRUCTIONS  
Work area safety  
10. Use safety equipment. Always wear eye protec-  
tion. Safety equipment such as dust mask, non-skid  
safety shoes, hard hat, or hearing protection used  
for appropriate conditions will reduce personal inju-  
ries.  
1. Keep work area clean and well lit. Cluttered and  
dark areas invite accidents.  
2. Do not operate power tools in explosive atmos-  
pheres, such as in the presence of flammable  
liquids, gases or dust. Power tools create sparks  
which may ignite the dust or fumes.  
11. Avoid accidental starting. Ensure the switch is  
in the off-position before plugging in. Carrying  
power tools with your finger on the switch or plug-  
ging in power tools that have the switch on invites  
accidents.  
3. Keep children and bystanders away while oper-  
ating a power tool. Distractions can cause you to  
lose control.  
12. Remove any adjusting key or wrench before  
turning the power tool on. A wrench or a key left  
attached to a rotating part of the power tool may  
result in personal injury.  
Electrical safety  
4. Power tool plugs must match the outlet. Never  
modify the plug in any way. Do not use any  
adapter plugs with earthed (grounded) power  
tools. Unmodified plugs and matching outlets will  
reduce risk of electric shock.  
13. Do not overreach. Keep proper footing and bal-  
ance at all times. This enables better control of the  
power tool in unexpected situations.  
5. Avoid body contact with earthed or grounded  
surfaces such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of electric  
shock if your body is earthed or grounded.  
14. Dress properly. Do not wear loose clothing or  
jewellery. Keep your hair, clothing, and gloves  
away from moving parts. Loose clothes, jewellery  
or long hair can be caught in moving parts.  
6. Do not expose power tools to rain or wet condi-  
tions. Water entering a power tool will increase the  
risk of electric shock.  
15. If devices are provided for the connection of  
dust extraction and collection facilities, ensure  
these are connected and properly used. Use of  
these devices can reduce dust-related hazards.  
7. Do not abuse the cord. Never use the cord for  
carrying, pulling or unplugging the power tool.  
Keep cord away from heat, oil, sharp edges or  
moving parts. Damaged or entangled cords  
increase the risk of electric shock.  
Power tool use and care  
16. Do not force the power tool. Use the correct  
power tool for your application. The correct  
power tool will do the job better and safer at the rate  
for which it was designed.  
8. When operating a power tool outdoors, use an  
extension cord suitable for outdoor use. Use of a  
cord suitable for outdoor use reduces the risk of  
electric shock.  
17. Do not use the power tool if the switch does not  
turn it on and off. Any power tool that cannot be  
controlled with the switch is dangerous and must be  
repaired.  
Personal safety  
9. Stay alert, watch what you are doing and use  
common sense when operating a power tool. Do  
not use a power tool while you are tired or under  
the influence of drugs, alcohol or medication. A  
moment of inattention while operating power tools  
may result in serious personal injury.  
18. Disconnect the plug from the power source and/  
or the battery pack from the power tool before  
making any adjustments, changing accessories,  
or storing power tools. Such preventive safety  
measures reduce the risk of starting the power tool  
accidentally.  
3
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19. Store idle power tools out of the reach of chil-  
dren and do not allow persons unfamiliar with  
the power tool or these instructions to operate  
the power tool. Power tools are dangerous in the  
hands of untrained users.  
6. Check for the proper clearance beyond the  
workpiece before cutting so that the blade will  
not strike the floor, workbench, etc.  
7. Hold the tool firmly.  
8. Make sure the blade is not contacting the work-  
piece before the switch is turned on.  
9. Keep hands away from moving parts.  
10. Do not leave the tool running. Operate the tool  
only when hand-held.  
11. Always switch off and wait for the blade to  
come to a complete stop before removing the  
blade from the workpiece.  
12. Do not touch the blade or the workpiece imme-  
diately after operation; they may be extremely  
hot and could burn your skin.  
13. Do not operate the tool at no-load unnecessar-  
ily.  
14. Some material contains chemicals which may  
be toxic. Take caution to prevent dust inhala-  
tion and skin contact. Follow material supplier  
safety data.  
15. Always use the correct dust mask/respirator for  
the material and application you are working  
with.  
20. Maintain power tools. Check for misalignment or  
binding of moving parts, breakage of parts and  
any other condition that may affect the power  
tools operation. If damaged, have the power tool  
repaired before use. Many accidents are caused  
by poorly maintained power tools.  
21. Keep cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges  
are less likely to bind and are easier to control.  
22. Use the power tool, accessories and tool bits  
etc. in accordance with these instructions and in  
the manner intended for the particular type of  
power tool, taking into account the working con-  
ditions and the work to be performed. Use of the  
power tool for operations different from those  
intended could result in a hazardous situation.  
Service  
23. Have your power tool serviced by a qualified  
repair person using only identical replacement  
parts. This will ensure that the safety of the power  
tool is maintained.  
SAVE THESE INSTRUCTIONS.  
24. Follow instruction for lubricating and changing  
accessories.  
WARNING:  
25. Keep handles dry, clean and free from oil and  
MISUSE or failure to follow the  
safety rules stated in this instruction  
manual may cause serious personal  
injury.  
grease.  
GEB016-1  
SPECIFIC SAFETY RULES  
DO NOT let comfort or familiarity with product  
(gained from repeated use) replace strict adherence  
to jig saw safety rules. If you use this tool unsafely  
or incorrectly, you can suffer serious personal injury.  
1. Hold power tools by insulated gripping sur-  
faces 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.  
2. Use clamps or another practical way to secure  
and support the workpiece to a stable platform.  
Holding the work by hand or against your body  
leaves it unstable and may lead to loss of control.  
3. Always use safety glasses or goggles. Ordinary  
eye or sun glasses are NOT safety glasses.  
4. Avoid cutting nails. Inspect workpiece for any  
nails and remove them before operation.  
5. Do not cut oversize workpiece.  
4
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FUNCTIONAL  
DESCRIPTION  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
adjusting or checking function on the tool.  
001906  
Selecting the cutting action  
This tool can be operated with an orbital or a straight line (up and down) cut-  
ting action. The orbital cutting action thrusts the blade forward on the cutting  
stroke and greatly increases cutting speed.  
To change the cutting action, just turn the cutting action changing lever to the  
desired cutting action position. Refer to the table below to select the cutting  
action.  
1
1. Cutting action changing lever  
001955  
Position  
Cutting action  
Applications  
For cutting mild steel, stainless steel and plastics.  
For clean cuts in wood and plywood.  
For cutting mild steel, aluminum and hard wood.  
For cutting wood and plywood.  
For fast cutting in aluminum and mild steel.  
For fast cutting in wood and plywood.  
0
I
Straight line cutting action  
Small orbit cutting action  
Medium orbit cutting action  
Large orbit cutting action  
II  
III  
001907  
Switch action  
CAUTION:  
1
2
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. For continuous operation, pull the switch trigger and then push in the  
lock button. To stop the tool from the locked position, pull the switch trigger  
fully, then release it.  
1. Switch trigger  
2. Lock button  
Speed adjusting dial  
For 4340CT, 4340FCT  
001908  
The tool speed can be infinitely adjusted between 800 and 2,800 strokes per  
minute by turning the adjusting dial. Higher speed is obtained when the dial is  
turned in the direction of number 5; lower speed is obtained when it is turned  
in the direction of number 1.  
1
Refer to the table to select the proper speed for the workpiece to be cut. How-  
ever, the appropriate speed may differ with the type or thickness of the work-  
piece. In general, higher speeds will allow you to cut workpieces faster but the  
service life of the blade will be reduced.  
1. Speed adjusting dial  
5
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001956  
Workpiece to be cut  
Wood  
Mild steel  
Stainless steel  
Aluminum  
Number on adjusting dial  
4 - 5  
3 - 5  
3 - 4  
3 - 5  
1 - 4  
Plastics  
CAUTION:  
The speed adjusting dial can be turned only as far as 5 and back to 1. Do  
not force it past 5 or 1, or the speed adjusting function may no longer  
work.  
The tools equipped with electronic function are easy to operate because of the  
following features.  
Constant speed control  
Electronic speed control for obtaining constant speed. Possible to get fine fin-  
ish, because the rotating speed is kept constant even under load condition.  
Soft start feature  
Safety and soft start because of suppressed starting shock.  
Lighting up the lamps  
For 4340FCT only  
CAUTION:  
Do not look in the light or see the source of light directly.  
To turn on the lamp, pull the trigger. Release the trigger to turn it off.  
NOTE:  
Use a dry cloth to wipe the dirt off the lens of lamp. Be careful not to  
scratch the lens of lamp, or it may lower the illumination.  
ASSEMBLY  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
carrying out any work on the tool.  
001909  
Installing or removing saw blade  
CAUTION:  
Always clean out all chips or foreign matter adhering to the blade and/or  
blade holder. Failure to do so may cause insufficient tightening of the  
blade, resulting in a serious injury.  
Do not touch the blade or the workpiece immediately after operation;  
they may be extremely hot and could burn your skin.  
1
Tighten the saw blade securely. Failure to do so may cause a serious  
injury.  
1. Tool opener  
When you remove the saw blade, be careful not to hurt your fingers with  
the top of the blade or the tips of workpiece.  
To install the blade, open the tool opener to the position shown in the figure.  
6
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001910  
Keeping that situation, insert the saw blade into the blade clamp as far as the  
two protrusions of the blade can not be seen.  
3
Return the tool opener to its original position.  
After installing, always make sure that the blade is securely held in place by  
trying to pull it out.  
CAUTION:  
1
Do not open the tool opener excessively, or it may cause tool damage.  
2
1. Blade clamp  
2. Jig saw blade  
3. Protrusions  
001911  
To remove the blade, open the tool opener to the position shown in the figure.  
Pull the saw blade out toward the base.  
NOTE:  
Occasionally lubricate the roller.  
1
1. Jig saw blade  
001912  
Hex wrench storage  
When not in use, the hex wrench can be conveniently stored.  
1
2
1. Base  
2. Hex wrench  
OPERATION  
CAUTION:  
Always hold the tool base flush with the workpiece. Failure to do so may  
cause blade breakage, resulting in a serious injury.  
001913  
Turn the tool on and wait until the blade attains full speed. Then rest the tool  
base flat on the workpiece and gently move the tool forward along the previ-  
ously marked cutting line. When cutting curves, advance the tool very slowly.  
1
2
1. Cutting line  
2. Base  
7
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001914  
Bevel cutting  
CAUTION:  
Always be sure that the tool is switched off and unplugged before tilting  
the tool base.  
With the tool base tilted, you can make bevel cuts at any angle between 0°  
and 45° (left or right).  
001915  
Loosen the bolt on the back of the base with the hex wrench. Move the base  
so that the bolt is positioned in the center of the bevel slot in the base.  
1
3
2
1. Base  
2. Bolt  
3. Hex wrench  
001916  
Tilt the base until the desired bevel angle is obtained. The V-notch of the gear  
housing indicates the bevel angle by graduations. Then tighten the bolt firmly  
to secure the base.  
2
3
1
5
6
4
1. Graduations  
2. Bevel slot  
3. Base  
4. V-notch  
5. Bolt  
6. Gear housing  
001917  
Front flush cuts  
Loosen the bolt on the back of the tool base with the hex wrench, then move  
the tool base all the way back. Then tighten the bolt to secure the tool base.  
1
2
3
1. Base  
2. Bolt  
3. Hex wrench  
8
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Cutouts  
Cutouts can be made with either of two methods A or B.  
001918  
A) Boring a starting hole  
For internal cutouts without a lead-in cut from an edge, pre-drill a starting  
hole 12 mm or more in diameter. Insert the blade into this hole to start  
your cut.  
1
1. Starting hole  
001919  
B) Plunge cutting  
You need not bore a starting hole or make a lead-in cut if you carefully  
do as follows.  
(1) Tilt the tool up on the front edge of the base with the blade point  
positioned just above the workpiece surface.  
(2) Apply pressure to the tool so that the front edge of the base will not  
move when you switch on the tool and gently lower the back end of  
the tool slowly.  
(3) As the blade pierces the workpiece, slowly lower the base of the  
tool down onto the workpiece surface.  
(4) Complete the cut in the normal manner.  
001920  
Finishing edges  
To trim edges or make dimensional adjustments, run the blade lightly along  
the cut edges.  
Metal cutting  
Always use a suitable coolant (cutting oil) when cutting metal. Failure to do so  
will cause significant blade wear. The underside of the workpiece can be  
greased instead of using a coolant.  
9
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001921  
Dust extraction  
1
The dust nozzle (accessory) is recommended to perform clean cutting opera-  
tions.  
To attach the dust nozzle on the tool, insert the hook of dust nozzle into the  
hole in the base.  
The dust nozzle can be installed on either left or right side of the base.  
2
1. Dust nozzle  
2. Base  
001922  
001923  
Then connect a Makita vacuum cleaner to the dust nozzle.  
CAUTION:  
If you try to remove the dust nozzle forcibly, the hook of the dust nozzle can be  
diminished and removed unintentionally during operation.  
2
1
1. Dust nozzle  
2. Hose for vacuum cleaner  
Rip fence set (accessory)  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
installing or removing accessories.  
10  
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001924  
1. Straight cuts  
When repeatedly cutting widths of 160 mm or less, use of the rip fence will  
assure fast, clean, straight cuts. To install, insert the rip fence into the rectan-  
gular hole on the side of the tool base with the fence guide facing down. Slide  
the rip fence to the desired cutting width position, then tighten the bolt to  
secure it.  
1
1. Rip fence  
001925  
3
1
2
1. Bolt  
2. Fence guide  
3. Hex wrench  
001926  
2. Circular cuts  
When cutting circles or arcs of 170 mm or less in radius, install the rip fence as  
follows.  
Insert the rip fence into the rectangular hole on the side of the tool base with  
the fence guide facing up. Insert the circular guide pin through either of the two  
holes on the fence guide. Screw the threaded knob onto the pin to secure the  
pin.  
Now slide the rip fence to the desired cutting radius, and tighten the bolt to  
secure it in place. Then move the tool base all the way forward.  
NOTE:  
001927  
Always use blades No. B-17, B-18, B-26 or B-27 when cutting circles or  
arcs.  
2
3
1
1. Fence guide  
2. Threaded knob  
3. Circular guide pin  
11  
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004446  
Guide rail adapter set (accessory)  
When cutting parallel and uniform width or cutting straight, the use of the guide  
rail and the guide rail adapter will assure the production of fast and clean cuts.  
004447  
To install the guide rail adapter, insert the rule bar into the square hole of the  
base as far as it goes. Secure the bolt with the hex wrench securely.  
2
1
1. Bolt  
2. Rule bar  
004448  
Install the guide rail adapter on the rail of the guide rail. Insert the rule bar into  
the square hole of the guide rail adapter. Put the base to the side of the guide  
rail, and secure the bolt securely.  
1
CAUTION:  
Always use blades No. B-8, B-13, B-16, B-17 or 58 when using the guide  
rail and the guide rail adapter.  
2
3
1. Guide rail adapter  
2. Screw  
3. Guide rail  
001928  
Cover plate  
1
Use the cover plate when cutting decorative veneers, plastics, etc. It protects  
sensitive or delicate surfaces from damage. Fit it on the back of the tool base.  
2
1. Cover plate  
2. Base  
12  
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001929  
Anti-splintering device  
For splinter-free cuts, the anti-splintering device can be used. To install the  
anti-splintering device, move the tool base all the way forward and fit it from the  
back of tool base. When you use the cover plate, install the anti-splintering  
device onto the cover plate.  
1
CAUTION:  
The anti-splintering device cannot be used when making bevel cuts.  
2
1. Base  
2. Anti-splintering device  
MAINTENANCE  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
attempting to perform inspection or maintenance.  
To maintain product SAFETY and RELIABILITY, repairs, carbon brush inspec-  
tion and replacement, any other maintenance or adjustment should be per-  
formed by Makita Authorized Service Centers, always using Makita  
replacement parts.  
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.  
Jig saw blades  
Anti-splintering device  
Dust nozzle  
Hex wrench 4  
Rip fence (guide rule) set  
Guide rail adapter set  
Guide rail set  
Cover plate  
Hose (For vacuum cleaner)  
13  
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Memo  
14  
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Memo  
15  
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Makita Corporation Anjo, Aichi, Japan  
884426E228  
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