MAKITA JN3201 User Manual

INSTRUCTION MANUAL  
Nibbler  
JN3201  
013354  
DOUBLE INSULATION  
IMPORTANT: Read Before Using.  
1
ENH101ꢀ16  
3.  
Keep children and bystanders away while  
operating a power tool. Distractions can cause  
you to lose control.  
For European countries only  
EC Declaration of Conformity  
Electrical safety  
We Makita Corporation as the responsible  
manufacturer declare that the following Makita  
machine(s):  
Designation of Machine:  
Nibbler  
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.  
Model No./ Type: JN3201  
are of series production and  
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.  
Do not expose power tools to rain or wet  
Conforms to the following European Directives:  
2006/42/EC  
And are manufactured in accordance with the following  
standards or standardised documents:  
EN60745  
The technical documentation is kept by:  
Makita International Europe Ltd.  
Technical Department,  
6.  
7.  
conditions. Water entering  
increase the risk of electric shock.  
a
power tool will  
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.  
Michigan Drive, Tongwell,  
Milton Keynes, Bucks MK15 8JD, England  
8.  
9.  
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.  
If operating a power tool in a damp location is  
unavoidable, use a residual current device  
(RCD) protected supply. Use of an RCD  
reduces the risk of electric shock.  
17.5.2012  
000230  
Tomoyasu Kato  
Director  
Makita Corporation  
3ꢀ11ꢀ8, Sumiyoshiꢀcho,  
Anjo, Aichi, 446ꢀ8502, JAPAN  
10. Use of power supply via a RCD with a rated  
residual current of 30mA or less is always  
recommended.  
GEA005ꢀ3  
Personal safety  
11. 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  
General Power Tool Safety  
Warnings  
WARNING Read all safety warnings and all  
instructions. Failure to follow the warnings and  
instructions may result in electric shock, fire and/or  
serious injury.  
medication.  
A
moment of inattention while  
operating power tools may result in serious  
personal injury.  
12. Use personal protective equipment. Always  
wear eye protection. Protective equipment such  
as dust mask, nonꢀskid safety shoes, hard hat, or  
hearing protection used for appropriate conditions  
will reduce personal injuries.  
13. Prevent unintentional starting. Ensure the  
switch is in the off-position before connecting  
to power source and/or battery pack, picking  
up or carrying the tool. Carrying power tools  
with your finger on the switch or energising power  
tools that have the switch on invites accidents.  
14. 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.  
Save all warnings and  
instructions for future reference.  
The term "power tool" in the warnings refers to your  
mainsꢀoperated (corded) power tool or batteryꢀoperated  
(cordless) power tool.  
Work area safety  
1.  
Keep work area clean and well lit. Cluttered or  
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
15. Do not overreach. Keep proper footing and  
balance at all times. This enables better control  
of the power tool in unexpected situations.  
16. 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.  
17. If devices are provided for the connection of  
dust extraction and collection facilities,  
ensure these are connected and properly  
used. Use of dust collection can reduce dustꢀ  
related hazards.  
26. Follow instruction for lubricating and  
changing accessories.  
27. Keep handles dry, clean and free from oil and  
grease.  
GEB028ꢀ2  
NIBBLER SAFETY WARNINGS  
1.  
2.  
3.  
4.  
Hold the tool firmly.  
Secure the workpiece firmly.  
Keep hands away from moving parts.  
Edges and chips of the workpiece are sharp.  
Wear gloves. It is also recommended that you  
put on thickly bottomed shoes to prevent  
injury.  
Power tool use and care  
5.  
Do not put the tool on the chips of the  
workpiece. Otherwise it can cause damage  
and trouble on the tool.  
18. 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.  
19. 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.  
6.  
7.  
Do not leave the tool running. Operate the tool  
only when hand-held.  
Always be sure you have a firm footing.  
Be sure no one is below when using the tool  
in high locations.  
8.  
9.  
Do not touch the punch, die or the workpiece  
immediately after operation; they may be  
extremely hot and could burn your skin.  
Avoid cutting electrical wires. It can cause  
serious accident by electric shock.  
20. 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.  
21. Store idle power tools out of the reach of  
children 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.  
22. Maintain power tools. Check for misalignment  
or binding of moving parts, breakage of parts  
and any other condition that may affect the  
power tool’s operation. If damaged, have the  
power tool repaired before use. Many  
accidents are caused by poorly maintained power  
tools.  
SAVE THESE INSTRUCTIONS.  
WARNING:  
DO NOT let comfort or familiarity with product  
(gained from repeated use) replace strict adherence  
to safety rules for the subject product. MISUSE or  
failure to follow the safety rules stated in this  
instruction manual may cause serious personal  
injury.  
23. Keep cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges  
are less likely to bind and are easier to control.  
24. Use the power tool, accessories and tool bits  
etc. in accordance with these instructions,  
taking into account the working conditions  
and the work to be performed. Use of the  
power tool for operations different from those  
intended could result in a hazardous situation.  
Service  
25. 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.  
4
FUNCTIONAL DESCRIPTION  
ASSEMBLY  
CAUTION:  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before adjusting or checking function  
on the tool.  
Always be sure that the tool is switched off and  
unplugged before carrying out any work on the  
tool.  
Permissible cutting thickness  
Punch replacement  
1. Stainless steel  
gauge 2.5 mm  
(3/32")  
1. Wrench  
2. Lock nut  
3. Die holder  
1
2. Mild steel  
gauge 3.2 mm  
(1/8")  
1
2
2
3
013355  
013357  
The thickness of material to be cut depends upon the  
tensile strength of the material itself. The groove on the  
die holder acts as a thickness gauge for allowable  
cutting thickness. Do not attempt to cut any material  
which will not fit into this groove.  
Fit the wrench provided onto the lock nut and tap the  
handle lightly with a hammer to loosen the lock nut.  
Take off the die holder and use a wrench to remove the  
screw. Then remove the punch.  
1. Punch  
2. Screw  
3. Wrench  
Max.cutting capacities  
Steel up to 400 N/mm2  
Steel up to 600 N/mm2  
Steel up to 800 N/mm2  
Aluminum up to 200 N/mm2  
mm  
3.2  
2.5  
1.0  
3.5  
ga  
10  
13  
20  
10  
1
3
2
006439  
Switch action  
013358  
1. Switch trigger  
2. Lock button  
1
2
To install the punch, insert it into the punch holder with  
its cutting edge facing forward so that the pin in the  
punch holder fits into the groove in the punch. Install the  
screw and lock nut. Then tighten them securely.  
NOTE:  
When installing the screw and lock nut, be sure to  
tighten securely. If they become loose during  
operation, the tool may break down.  
013356  
CAUTION:  
Before plugging in the tool, always check to see  
that the switch trigger actuates properly and  
returns to the "OFF" position when released.  
Switch can be locked in "ON" position for ease of  
operator comfort during extended use. Apply  
caution when locking tool in "ON" position and  
maintain firm grasp on tool.  
1. Cutting edge  
2. Punch  
3. Groove  
4. Punch holder  
5. Pin  
1
3
2
4
5
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.  
004785  
To stop the tool from the locked position, pull the switch  
trigger fully, then release it.  
5
There is more vibration when cutting stainless steel than  
mild steel. Less vibration and better cutting is possible  
by adding another washer (standard equipment)  
beneath the die.  
OPERATION  
CAUTION:  
Use the hex wrench provided to remove the two screws  
and insert the washer below the die. Replace screws  
and tighten securely.  
Hold the tool firmly with one hand on the main  
handle when performing the tool.  
Pre-lubrication  
Coat the cutting line with machine oil to increase the  
punch and die service life. This is particularly important  
when cutting aluminum.  
MAINTENANCE  
CAUTION:  
Cutting method  
Always be sure that the tool is switched off and  
unplugged before attempting to perform inspection  
or maintenance.  
Never use gasoline, benzine, thinner, alcohol or  
the like. Discoloration, deformation or cracks may  
result.  
The tool and its air vents have to be kept clean.  
Regularly clean the tool's air vents or whenever the  
vents start to become obstructed.  
Punch & die service life  
013359  
Replace or sharpen punch and die after cutting the  
lengths indicated in the accompanying table. Their life,  
of course, depends upon the thickness of materials cut  
and lubrication conditions.  
Smooth cutting is achieved by holding the tool upright  
and applying gentle pressure in the cutting direction.  
Apply tool oil to the punch about every 10 meters of mild  
steel or stainless steel to be cut. Light oil or kerosene  
should be used to keep an aluminum lubricated  
continuously. Failure to lubricate aluminum in the cut will  
cause chips to adhere to the tool, dulling the die and  
punch and increasing load on the motor.  
Punch  
Die  
Replace after 150 m of 3.2 mm steel sheet  
Sharpen after 300 m of 3.2 mm steel sheet  
006441  
When cutting is poor even after replacing the punch,  
sharpen the die. Grind down the dull edge shown in the  
figure using a grinder. After roughꢀgrinding the dull  
portion, finish with a dressing stone. Stock removal  
should be about 0.3 to 0.4 mm.  
Cutouts  
1. Grind/sharpen;  
0.3 ꢀ 0.4 mm  
(1/64")  
1
2
2. Remove dull  
portion  
013360  
Cutouts can be done by first opening a round hole of  
about 42 mm diameter or more in the material.  
004793  
Cutting stainless steel  
When installing ground die, a clearance of 3.5 to 4.0  
mm should be obtained by attaching one or two of the  
washer provided, as shown in the figure. Failure to have  
the proper clearance will result in vibration during  
cutting.  
1. Screw  
2. Hex wrench  
3. Washer  
4. Insert washer in  
between  
3
1
5. Die  
4
5
2
004792  
6
OPTIONAL ACCESSORIES  
1. 3.5 ꢀ4.0 mm  
(1/8" ꢀ 5/32")  
2. Die  
CAUTION:  
3. Washer  
1
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.  
2
3
004794  
CAUTION:  
If you need any assistance for more details regarding  
these accessories, ask your local Makita Service Center.  
Secure installing screws carefully when installing.  
A loose screw can cause tool breakage during  
operation.  
Die  
Punch  
Hex wrench  
Wrench 50  
NOTE:  
The die can be sharpened two times. After two  
sharpenings, it should be replaced with new one.  
Die height adjustment washer  
Replacing carbon brushes  
NOTE:  
Some items in the list may be included in the tool  
1. Limit mark  
package as standard accessories. They may differ  
from country to country.  
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.  
1. Screwdriver  
2. Brush holder  
cap  
1
2
013361  
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.  
To maintain product SAFETY and RELIABILITY, repairs,  
any other maintenance or adjustment should be  
performed by Makita Authorized Service Centers,  
always using Makita replacement parts.  
7
Makita Corporation  
Anjo, Aichi, Japan  
885172ꢀ226  

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