makita JN1601 Cordless Electric Nibblers Instruction Manual

: June 5, 2024
: Makita

Table of Contents

Explanation of general view
SPECIFICATIONS
General Power Tool Safety
SAVE THESE INSTRUCTIONS
ASSEMBLY
OPERATION
MAINTENANCE
ACCESSORIES
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Makita JN1601 Cordless Electric Nibblers makita JN1601 Cordless
Electric Nibblers FIG 14

Explanation of general view

1-1. Die
1-2. Die holder
1-3. Lock nut
1- 4. Wrench
2- 1. Gauge for cutting stainless: 1.2 mm
(3/64″)
2-2. Gauge for cutting mild steel: 1.6 mm
(1/16″)
2- 3. Notch
3- 1. Switch lever
4- 1. Die holder
4-2. Die
4-3. Bolts
4- 4. Hex wrench
5- 1. Punch
5-2. Punch holder
5-3. Screw
5- 4. Hex wrench
6- 1. Punch
6- 2. Notch
7- 1. Bolts
7-2. Die
7-3. Punch
7-4. Die holder
10-1. From the top view
10-2. Cutting at an angle to grooves
10-3. Cutting perpendicular to grooves
10-4. From the side view
11- 2. Cutting head should be at a right angle (90 ﾟ) to cutting surface.
12- 1. Limit mark
13- 1. Brush holder cap
13-2. Screwdriver

SPECIFICATIONS

Model	JN1601

Max. cutting capacities

Min. cutting radius

Due to our continuing programme of research and development, the specifications herein are subject to change without notice.
Specifications may differ from country to country.
Weight according to EPTA-Procedure 01/2003

Intended use
The tool is intended for cutting sheet steel and stainless sheet steel.

Power supply
The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can only be operated on single-phase AC supply. They are double-insulated and can, therefore, also be used from sockets without earth wire.

Noise
The typical A-weighted noise level determined according to EN60745:

Sound pressure level (LpA) : 83 dB(A)
Sound power level (LWA) : 94 dB(A)
Uncertainty (K) : 3 dB(A)

Wear ear protection

Vibration
The vibration total value (tri-axial vector sum) determined according to EN60745:

Work mode : cutting sheet metal
Vibration emission (ah) : 7.0 m/s2
Uncertainty (K) : 1.5 m/s2
The declared vibration emission value has been measured in accordance with the standard test method and may be used for comparing one tool with another.
The declared vibration emission value may also be used in a preliminary assessment of exposure.

WARNING:

The vibration emission during actual use of the power tool can differ from the declared emission value depending on the ways in which the tool is used.
Be sure to identify safety measures to protect the operator that are based on an estimation of exposure in the actual conditions of use (taking accoun of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).

For European countries only
EC Declaration of Conformity
We Makita Corporation as the responsible manufacturer declare that the following Makita machine(s):
Designation of Machine:
Nibbler
Model No./ Type: JN1601
are of series production and
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 our authorised representative in Europe who is:

Makita International Europe Ltd.
- Michigan Drive, Tongwell,
Milton Keynes, Bucks MK15 8JD, England

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.
Save all warnings and instructions for
future reference.

NIBBLER SAFETY WARNINGS

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.
Do not put the tool on the chips of the workpiece. Otherwise it can cause damage and trouble on the tool.
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.
Do not touch the punch, die or workpiece immediately after operation; they may be extremely hot and could burn your skin.
Avoid cutting electrical wires. It can cause serious accidents by electric shock.

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.
FUNCTIONAL DESCRIPTION

CAUTION :

Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool.
Changing the die position

Fig.1
The die position can be changed 360°. To change it, proceed as follows.

Loosen the lock nut with the wrench provided.
Pull the die holder slightly and turn it to the desired position for operation.
Tighten the lock nut to secure the die holder in the desired position.

There are four positive stops at 90° each: 0°, 90° left and right and 180°. To position the die to any of these positive stops:

Loosen the lock nut with the wrench provided.
Pull the die holder slightly and depress lightly while turning it to the desired position. The die holder will lock into one of the positive stop positions as desired.
Turn the die holder slightly to make sure that it is positively locked into position.
Tighten the lock nut to secure the die holder.

Permissible cutting thickness

Fig.2

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.

Cutting line
The notch in the die holder indicates your cutting line. Its width is equal to the cutting width. Align the notch to the cutting line on the workpiece when cutting.

Switch action Fig.3

CAUTION:

Before plugging in the tool, always check to see that the switch actuates properly and returns to the “OFF” position when the rear of the switch lever is depressed.
To switch on, depress the rear of the switch lever and push it forward. Then depress the front of the switch lever to lock it.
To switch off, depress the rear of the switch lever.

ASSEMBLY

CAUTION:

Always be sure that the tool is switched off and unplugged before carrying out any work on the tool.

Removing or installing the punch and die

Fig.4

Always replace the punch and die as a set. To remove the punch and die, loosen the lock nut with the wrench. Remove the die holder from the tool. Use the hex wrench to loosen the bolts which secure the die. Remove the die from the die holder.

Use the hex wrench to loosen the screw which secures the punch. Pull the punch out of the punch holder.

Fig.5

To install the punch and die, insert the punch into the punch holder so that the notch in the punch faces toward the screw. Tighten the screw to secure the punch. Install the die on the die holder. Tighten the bolts to secure the die.

Fig.6

Then install the die holder on the tool so that the punch is inserted through the hole in the die holder. Tighten the lock nut to secure the die holder. After replacing the punch and die, lubricate them with machine oil and run the tool for a while.

Fig.7

OPERATION

Pre-lubrication

Coat the cutting line with machine oil to increase the punch and die service life. This is particularly important when cutting aluminum.

Cutting method

Fig.8

Hold the tool so that the cutting head is at a right angle (90°) to the workpiece being cut. Move the tool gently in the cutting direction.

Cutouts
Fig.9
Cutouts can be done by first opening a round hole over 21 mm in diameter which the cutting head can be inserted into.
Cutting the corrugated or trapezoidal sheet metals
Fig.10
Set the die position so that the die faces the cutting direction either when cutting at an angle or perpendicular go grooves in corrugated or trapezoidal sheet metals. Always hold the tool body parallel to the grooves with the cutting head at a right angle (90°) to the cutting surface as shown in the figure.
Fig.11

MAINTENANCE

CAUTION

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.

Replacing carbon brushes

Fig.12

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.

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.

Fig.13

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.

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.