Makita JN3200 User manual

MODEL
JN3200
Max. cutting capacities
Mild steel Stainless
3.2
mm
2 5
mm
(118") 13/32',)
INSTRUCTION MANUAL
AMPS Strokes Overall Net Power
Min. cutting radius
Outside edge Inside edge
"I
per
minute
length we'ght suppl~
cord
128
mm
120
mm
1,300
215
mm
3.4
kg
2.5
m
(5-1116") (4-314")
A
(8-112") (7.5
Ibs)
(8.2
ft.)
DOUBLE
INSU
LATlO
N
SPEC
I
FlCAT1
0
N
S

IMPORTANT
SAFETY
INSTRUCTIONS
(For
All
Tools)
WARNING:
WHEN USING ELECTRICTOOLS, BASICSAFETY
PRECAUTIONSSHOULD 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. Cluttered areas and benches invite injuries.
2.
CONSIDER WORK AREA ENVIRONMENT. Don't use power tools
in
damp
or wet locations. Keep work area well
lit.
Don't expose power tools torain.
Don't use tool in presence of flammable liquids or gases.
3.
KEEP CHILDREN AWAY. All visitors should be kept away from work area.
Don't let visitors contact tool
or
extension cord.
4.
STORE IDLETOOLS. When not
in
use, tools should bestored indry, andhigh
or locked-up place
-
out of reach of children.
5.
DON'T FORCETOOL.
It
will dothejob better andsafer at the ratefor which
it
was intended.
6.
USE RIGHT TOOL. Don't force small tool or attachment to do the job of a
heavy-dutytool. Don't use toolfor purpose notintended; for example, don't
use circular saw for cutting tree limbs or logs.
7.
DRESS PROPERLY. Don't wear loose clothing orjewelry. They can becaught
in moving parts. Rubber gloves and non-skid footwear are recommended
when working outdoors. Wear protective hair covering tocontain long hair.
8.
USE SAFETY GLASSES. Also use face or dust mask if cutting operation is
dusty.
9.
DON'T ABUSE CORD. Nevercarry tool by cordor yank
it
todisconnect from
receptacle. Keep cord from heat, oil, and sharp edges.
IO.
SECURE WORK. Use clamps or a vise to hold work. It's safer than using
your hand and
it
frees both hands to operate tool.
11.
DON'T OVERREACH. Keep proper footing and balance at all times.
12.
MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and
safer performance. Follow instructionsfor lubricating and changing acces-
sories. Inspecttoolcords periodically and
if
damaged, haverepairedby autho-
rized service facility. Inspect extension cords periodically and replace
if
damaged. Keep handles dry, clean, and free from oil and grease.
13.
DISCONNECTTOOLS. When notinuse, beforeservicing, and when chang-
ing accessories, such as blades, bits, cutters.
2

14.
REMOVEADJUSTING KEYS AND WRENCHES. Form habit of checking to
see that keysand adjusting wrenches are removed from tool before turning
it
on.
15.
AVOID UNINTENTIONALSTARTING. Don't carry toolwithfinger onswitch.
Be sure switch is OFF when plugging in.
16.
EXTENSION CORDS. 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 resultingin
loss
of power and overheating. Table
1
shows the
correct size to use depending oncord lengthand 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
SETS
0-
6
6
-
10
10
-
12
12
-
16
I
Total Length
of
Cord in Feet
18 16
14
16 16
14
12
14 12 Not Recommended
18 16
;:
1
12
1
0
-
25
I
26
~
50
1
51
-
100
I
101
-
150
Ampere Rating
More Not More
Than Than AWG
17. OUTDOORUSEEXTENSIONCORDS. Whentool is usedoutdoors, use only
extension cords intended for use outdoors and so marked.
18.
STAY ALERT. Watch what you aredoing, use common sense. Don't operate
tool when you are tired.
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 itsintended function. Check for alignment of
moving parts, bindingof moving parts, breakageof 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 by an authorized serv-
ice center unless otherwise indicated elsewhere
in
this instructionmanual.
Have defective switches replaced by authorized service center. Don't use
tool if switch does not turn
it
on and off.
20.
GUARDAGAINST ELECTRIC SHOCK. Prevent body contact with grounded
surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.
21
.
REPLACEMENT PARTS.When servicing, useonly identical replacement parts.
22. POLARIZEDPLUGS. To reducethe 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,
reversethe plug. If
it
still does notfit, contact aqualifiedelectrician
to
install
the proper outlet. Do not change the plug in any way.
3

VOLTAGE WARNING: Before connecting thetool toa 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 withvoltage greater than that specified
for the tool can result
in
SERIOUS
INJURY
tothe user
-
as well as damage to
the tool.
If
in doubt,
DO
NOT PLUG INTHE TOOL. Using a power source with
voltage less than the nameplate rating is harmful to the motor.
Nibbler
&
Standard Equipment
0
Washer
.........................................
2
(For die installation height adjustment)
0
Hex wrench
...................................
1
0
Wrench
(50)
..................................
1
4

How
to
use
Pre-lubrication
The cutting line should be pre-lubricatedwith the following. For mild steel or stainless,
use machine
oil
for
aluminum
light oil
or
kerosene.
Switch operation
*To
start the tool, simply pull the trigger.
Release the trigger to stop. For contin-
uous operation without having to keep
your finger on the trigger, just pull the
trigger and then push in the lock button
with your thumb.
To
stop the tool from
the lock position, simply pull the trigger
again and release
it.
Permissiblecutting thickness
*The thickness of material to
be
cut de-
pends upon the tensile strength of the
material itself. The groove on the die
holder
acts
as
a
thickness gauge.
Do
not
attempt to cut any material which will
not fit intothis groove.
Material thickness
(kg
mm2)
Mild
steel
Stain
I
e
ss
Cutting procedure
*Smooth nibbling
is
achieved by holding
the nibbler upright and applying gentle
pressure in the cutting direction. For
clean cutting apply
oil
to the punch
about every
10
meters
(32.8
feet) of
a
material cut.
-
Lock
button
5

cutouts
cutouts
can
be
done by first opening
a
round hole
of
about
42
mm
(1
-5/8")
dia.
or more inthe material.
Cutting
stainless
steel
.There
is
more vibration when cutting
stainless
steel
than mild
steel.
Less
vibra-
tion and better cutting
is
possible by add-
ing another washer (standard equipment)
beneath the die.
.Use the hex wrench provided to remove
the
2
screws and insert the washer below
the die. Replace screws and tighten
se-
curely.
Punchreplacement
.Fit the wrench provided onto the lock
nut and tap
the
handle lightly with
a
hammer to loosen the nut.
.Then, take off the die holder and use
the
wrench provided to remove the screw to
the left (counterclockwise), now remove
the
punch.
Note
:
When installing the screw and lock
nut, be sure to tighten securely.
If
they become loose during opera-
tion, the tool may break down.
Loosen
with wrench
Screw
6

Maintenance
After using, clean out the die area, lubricate with machine
oil,
runfor
a
minute or two
and storethe tool.
Replace after
150
m
(492.1 ft.)
of 3.2
mm
(118") steel sheet
Sharpen after 300
m
1984.3 ft.)
of 3.2
mm
(118")
steel sheet
Punch
Punch
&
die service
life
Replace or sharpen punch and die after
cutting the lengths indicated in the
ac-
companying table. Their life, of course,
depends upon the thickness
of
materials
cut and lubrication conditions.
*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 rough-grindingthe dull por-
tion, finish with
a
dressing stone. Stock
removal should be about
0.3
to
0.4
mm
(1/64")
per pass; two passes should suf-
fice.
When installing ground die,
a
clearance of
3.5
to
4.0
mm
(1/8"
to
5/32")
should be
obtained by attaching one or two
of
the
washer provided,
as
shown in the figure.
Failure
to
have the proper clearance will
reulst in
vibration
during cutting.
Caution
;
Secure installing screws carefully when
installing.
A
loose screw can cause tool
breakageduring operation.
Grind/sharpen;
Remove
dull
portion
3.5
-4.0
mm
I
rm
Washer

MAINTENANCE
CAUTION:
Always be sure that the tool is switchedoff and unplugged before attempting to perform
.
inspection or maintenance.
Replacing carbon brushes
Remove and check the carbon brushes
regularly. Replace when they wear downto
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.
To replace the carbon brushes, unscrewthe
brush holder cap with a
(-1
screwdriver.
Remove the carbon brushes and insert new
ones. Always replace both brushes at the
same time.
I
:Limit
mark
Unscrew
to
left
a
0
Carbon brush
\
q
To maintainproduct SAFETY and RELIABILITY, repairs, any other maintenance or adjustment
should be performed by Makita Authorized or Factory Service Centers, always usingMakita
replacement parts.

ACCESSOR
I
ES
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.
The accessories or attachments should
be
used only
in
the proper and intended manner.
Punch
Part
No.
792291-4
Washer
Part
No.
341796-7
(For
die
installation height adjustment)
.Wrench
50
Part
No.
781019-5
Die
Part
No.
792292-2
Hex wrench
Part
No.
783201-2
.Steel carrying case
Part
No.
181795-5
9

NIBBLER
Model
JN3200
Sep.--22--'94
US
Note:
The switch and other part configurations
may differ from country to country.
10

MODEL JN320O
,":,
DESCRIPTION
10
11
12
13
14
15
16
11
18
19
20
21
22
Sop-22--'94
US
'E,',"
$:,
DESCRIPTION
14
21
31
41
51
61
71
81
91
1
1
1
2
1
1
1
1
1
1
1
1
1
Pan Hedd
Screw
M5x50
lWith
Washer)
Gear
Housing
Flat Washer
12
Rod
Needle
Bearing
2020
Crank
Shaft
Spur Gear 44
Flat
Washer
10
Gear
Housing Cover
Ball
Bearinq
608LB
Fan
10
ARMATURE ASSEMBLY
IWifh
Ifem
10
~
12
14
&
151
Pan
Head
Screw
M5x60 lWith Washer)
Insulation Washer
aaii
Bearing
608~~
BafflP Platri
Cord Guard
Cord
Handle
Set
[With
Item
481
Gear
Compleie 15-
46
Flat
Washer
8
Woodruff
Key
4
1
Stop
Rinq
E
1
1
Punch Holder
30
2 Hex
Socket
Head
Bolt
M4x16
31
1
Lock
Nul
32 ~
1
Die
::
'
3
31
1
Sw8tc.h
38
1
Strain
Relief
39
2
Pan
Head
Screw
M4x18
IWith
Washer)
40 4 Pan Head
Screw
M5x25 IWith Washer1
41
2
Carbon Brush
42
2
Brush
Holder Cap
43
2
Rivet
0
3
44
1
Name
Plate
45
1
Motor
Housing
46
1
Band
48
1
Handle
Set
IWith
Item
191
1
FIELD
ASSEMBLY
Pan
Head
Screw
M5x25 (With
Washer1

MAKITA LIMITEDONE 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.
ThisWarranty does not apply where:
0
repairs have been made or attempted by others:
0
repairs are required because of normal wear and tear:
0
The
tool
has been abused, misused or improperly maintained;
0
alterations have been made
to
the
tool.
IN NO 1:VbNT SHALL MAKITA
BE
LIABLE FOR ANY INDIKtCT, INCIDkNTAL OR CON-
SFQUFNTIAL DAMAGES FROM THF SALI: OK USE
01:
THI. PRODUCT. THIS DISCLAIMER
APPLIFS BOTH DURING AND AFTI’R THE TERM
01.
THIS WARRANTY.
MAKlTA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED
WARRANTIES OF “MERCHANTABILITY” AND “FITNESS FOR A SPECIFIC PURPOSE,”
AFTER THE ONE-YEAR TERM OFTHISWARRANTY.
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 onhow long an implied warranty lasts,
so
the above Limitation may not apply to you.
Makita Corporation
3-11
-8,
Sumiyoshi-cho,
Anjo, Aichi
446
Japan
883334A066 PRINTED IN JAPAN
1994
-
11
-
N
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