Makita JN3201 Manual

Model No.
Description
Standard equipment
Optional accessories
Note: The standard equipment for the tool shown above may vary by country.
JN3201
Nibbler 3.2mm (10Ga)
Punch
Die
Punch .................................................. 1
Die ....................................................... 1
Wrench 50 .......................................... 1
Hex wrench ........................................ 1
Washer ............................................... 2
Plastic carrying case .......................... 1 (for some country only)
PRODUCT
Outer edge: 128 (5-1/16),
Inner edge : 120 (4-3/4)
TECHNICAL INFORMATION
CONCEPT AND MAIN APPLICATIONS
P 1/ 9
Dimensions: mm (")
Width (W)
Height (H)
Length (L)
225 (8-7/8)
90 (3-1/2)
254 (10)
Model JN3201 Nibbler is the aesthetic change model of current model JN3200
by using Motor housing of Angle grinder GA5010 series and Rubberized soft grip.
Its Blade section is the same as Nibbler JN3200.
Addition to the above, it has the following advantages.
• 710W continuous rating input
• Low noise level at 81 dB(A)
L
W
H
Specification
Continuous Rating (W)
Voltage (V) Cycle (Hz) Input Output Max. Output (W)
110
120
220
230
240
6.8
6.2
3.4
3.3
3.1
50/60
50/60
50/60
50/60
50/60
710
---
710
710
710
400
400
400
400
400
600
600
700
700
700
Current (A)
Max cutting capacities:
mm (Ga)
Steel with tensile strength
up to 600N/mm²
Weight according to EPTA-Procedure 01/2003*: kg (lbs) 3.4 (7.4)
2.5 (13)
Steel with tensile strength
up to 800N/mm² 1.0 (20)
Aluminum with tensile
strength up to 200N/mm² 3.5 (10)
Steel with tensile strength
up to 400N/mm² 3.2 (10)
No load speed: min.ˉ¹=spm (strokes per minute) 1,300
Minimum cutting radius: mm (")
Power supply cord: m (ft)
European countries: 4.0 (13.1),
Australia, New Zealand: 2.0 (6.6)
Other countries: 2.5 (8.2)
*with Punch and Die

P 2/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear section
[1] NECESSARY REPAIRING TOOLS
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
Code No. Description Use for
1R031 Bearing setting pipe 28-20.2 assembling Spur Gear 44 to Crank shaft
1R034 Bearing setting plate 12.2 supporting Spur gear 44 when assembling Crank shaft
1R217 Ring 22 supporting Spur gear 44 when removing Crank shaft
1R269 Bearing extractor removing Ball bearings 608LLB/ 608ZZ from Armature
781019-5 Wrench 50 (comes with the product) removing / tightening Lock nut
[2] LUBRICATION
DISASSEMBLING
Apply Makita grease FA No.2 to the following portions designated with the black triangle to protect parts and product
from unusual abrasion.
Fig. 1
Item No. Description AmountPortion to lubricate
13
13 Armature assembly Drive (gear ) portion for smooth engaging with Gear complete 15-46
20
7g
10g
Spur gear 44 Teeth portion for smooth engaging with Gear complete 15-46
20
Gear complete 15-46
(1) Remove Lock nut and four 5x45 Tapping screws in order to separate Gear housing complete. (Fig. 2)
Crank shaft complete
Gear housing cover complete
Gear housing complete
Wrench 50
Plastic
hammer
1. Remove Lock nut by turning it
counterclockwise with Wrench 50
and Plastic hammer.
2. Remove four 5x45 Tapping screws. And separate
Gear housing complete together with Dice holder
complete and Gasket.
Lock nut
5x45 Tapping
screw (4 pcs.)
Fig. 2
Gasket
Gear housing complete
Dice holder complete

P 3/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear section (cont.)
DISASSEMBLING
1. Remove Gear complete 15-46.
Note: Be careful not to lose Flat washer 8.
2. Pull off Dice holder complete.
(2) Disassemble the Gears and Punch holder assembly as drawn in Fig. 3.
Flat washer 8
Gear complete
15-46
Dice holder complete
Punch holder assembly
3. Lift up Spur gear 44 until the space
for twisting Spur gear 44 and Crank
shaft is reserved.
4. Remove Super gear 44 together with Crank section
while turning them 90°.
Note: Be careful not to lose Flat washer 12.
Fig. 3
Spur gear 44
Pin 9
Punch holder
assembly
Punch holder assembly
Rod
Crank shaft
Crank shaft
Flat washer 12
Flat washer 10 Crank shaft
Woodruff
key 4
1R217
Stop ring
E-7
Stop ring E-7
Rod
Rod
Crank shaft
Spur gear 44
Spur gear 44
6. While supporting Spur gear 44 with 1R217,
remove Crank shaft with Arbor press.
Note: Be careful not to lose Woodruff key 4.
Spur gear 44
Flat washer 8
5. Pull off Pin 9 by removing one of Stop rings E-7
on the Pin. And separate Punch holder assembly
from Rod. Then, pull off Crank shaft from Rod.
Note: Be careful not to lose Flat washer 10.

P 4/ 9
Repair
ASSEMBLING
(1) Assemble Spur gear 44 and Crank section as drawn in Fig. 4.
Fig. 4
Crank shaft
Flat washer 10
Rod Spur gear 44
Rod
Pin 9
Blade
Punch holder
assembly
Punch
Spur gear 44
Stop ring E-7
Stop ring E-7
Flat washer 12
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear section (cont.)
(2) Assemble Spur gear 44, Crank section and the other component parts to Gear housing complete by reversing
the disassembly procedure. (Refer to Fig. 3)
Note: Do not forget to mount Flat washer 8 to Gear complete 15-46. (Refer to the upper drawn in Fig. 3)
1R031
Woodruff key 4
Crank shaft
Crank shaft
1. Set Woodruff key 4 to Crank shaft.
And then, insert the slim end of Crank shaft
into Spur gear 44 from its stepped side
while fitting Woodruff key 4 to the groove of
Spur gear 44.
2. Put Super gear 44 and Crank section onto 1R034.
Then, press down the gear with 1R031 until it stops.
slim end
stepped side Spur gear 44
Spur gear 44
groove
1R034
3. Insert Crank shaft into Rod.
Note: Do not forget to mount
Flat washer 10.
4. Assemble Punch holder assembly to the other end of Rod
with Pin 9.
Note: Do not forget to mount Flat washer 12.

P 5/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Armature
DISASSEMBLING
Fig. 4
Disassemble Handle set from Motor housing complete as drawn in Fig. 4.
Note: Gear housing cover complete, which holds Armature assembly in Motor housing, is fixed to Motor housing
complete with Handle set. It is necessary to remove Handle set from Motor housing complete to remove
Gear housing cover complete and Gear housing complete.
4x18 Tapping
screw (5 pcs.)
5x45 Tapping
screw (4 pcs.)
Handle R
1. Remove Handle L and R by unscrewing five 4x18 Tapping screws.
3. Separate Gear housing complete together with Gear
housing cover complete from Motor housing
by unscrewing four 5x45 Tapping screws.
2. Remove Carbon brushes.
Carbon brush
Armature
Ball bearing
608LLB
Ball bearing
608ZZ
4. Pull off Armature from Motor housing
complete.
5. Remove Ball bearings 608ZZ and 608LLB
with 1R269.
Handle L
Carbon brush
Gear housing complete
Gear housing cove complete
Motor housing complete
Assemble by reversing the disassembly procedure. (Refer to Fig. 4)
ASSEMBLING
Ball bearing 608ZZ
1R269

P 6/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Die, Punch
DISASSEMBLING
Fig. 5
(1) Remove Lock nut from Gear housing complete with Wrench 50 as drawn to left in Fig. 2.
(2) Remove Dice and Punch as drawn in Fig. 5.
Assemble Punch and Die holder as drawn in Fig. 6.
ASSEMBLING
1. Separate Dice holder complete from Gear housing complete.
And then, pull off Punch by loosening Screw with Wrench 13.
Punch
Die
2. Remove Die by unscrewing two
M4x16 Hex socket head bolts.
M4x16 Hex socket
head bolt
stepped portion
of Punch
1. Facing the stepped portion to front side, insert Punch into Punch holder complete until it stops
while fitting the groove of Punch to Spring pin 2-14 into Punch holder complete.
And tighten Punch with Screw. Then, assemble Die holder complete to Gear housing complete.
Front side
Fig. 6
Dice holder
complete
Screw
Groove
Spring pin 2-14
Punch
Die holder
complete
Screw
Punch
stepped portion
of Punch
[cross section of Die holder complete]
Wrench 13
Screw
Dice holder
complete

Circuit diagram
Wiring diagram
P 7/ 9
Color index of lead wires' sheath
Black
Name plate side
Handle side
Wiring of Field lead wire and Line filter
Wiring in Handle L
Noise suppressor
Fig. D-1
Fig. D-2
Terminal
block Line filters
Power supply cord
Switch
Field
[ viewed from Field’s commutator side]
Opening
Pull out Field lead wires from
the opening of Handle side.
Pass Lead wires through
two Line filters as drawn
below.
Blue
White
High Voltage with Radio interference suppression
Brown
Line filters
Field lead wires have to be
tight in Motor housing and
fix them with this Lead wire
holder.
Put Line filters
in these place.
Lead wire holder
Noise
suppressor
Line filter
Ribs
Do not put any Lead wires
under Terminal block.
Terminal block
Put Noise suppressor in this place while facing
its wire connected portion to Switch side.
Put Lead wires
between the Ribs.
White lead wire is used
for some countries.
Black lead wire is used
for some countries

P 8/ 9
Put Connector 2-SD
in this place.
Connector 2-SD
Circuit diagram
Wiring diagram
Color index of lead wires' sheath
Black
Name plate side
Handle side
Wiring of Field lead wire and Line filter
Wiring in Handle L
Noise suppressor
Fig. D-1A
Fig. D-2A
Connector 2-SD
Power supply cord
Switch
Field
[ viewed from Field’s commutator side]
Opening
Pull out Field lead wires from
the opening of Handle side.
Blue
White
Low Voltage with Radio interference suppression
Brown
Field lead wires have to be
tight in Motor housing and
fix them with this Lead wire
holder.
Lead wire holder
Noise
suppressor
Ribs
Put Noise suppressor in this place while facing
its wire connected portion to Switch side.
Put Lead wires
between the Ribs.
Black lead wire is used
for some countries
White lead wire is used
for some countries.

P 9/ 9
Countries where Radio interference suppression is not required
Circuit diagram
Wiring diagram
Color index of lead wires' sheath
Black
Name plate side
Handle side
Wiring of Field lead wire and Line filter
Wiring in Handle L
Fig. D-1B
Fig. D-2B
Terminal block
or
Insulated splice
* Connector 2-SD is used for some countries
instead of Terminal block.
Power supply cord
Switch
Field
Opening
Pull out Field lead wires from
the opening of Handle side.
Blue
White
Brown
Field lead wires have to be
tight in Motor housing and
fix them with this Lead wire
holder.
Lead wire holder
Ribs
Put Lead wires
between the Ribs.
Black lead wire is used
for some countries
White lead wire is used
for some countries.
[ viewed from Field’s commutator side]
Do not put any Lead wires
under Terminal block.
Terminal block*