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.

Use the hex wrench provided to remove the two screws and insert the washer below the die. Replace screws and tighten securely.

MAINTENANCE

CAUTION:

1

2

3

004794

CAUTION:

1.3.5 -4.0 mm (1/8" - 5/32")

2.Die

3.Washer

•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

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.

Punch

Replace after 150 m (492 ft.) of 3.2 mm (1/8") steel sheet

 

 

Die

Sharpen after 300 m (984 ft.) of 3.2 mm (1/8") steel sheet

 

 

006440

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-grinding the dull portion, finish with a dressing stone. Stock removal should be about 0.3 to 0.4 mm (1/64").

•Secure installing screws carefully when installing. A loose screw can cause tool breakage during operation.

NOTE:

•The die can be sharpened two times. After two sharpenings, it should be replaced with new one.

Replacing carbon brushes

1. Limit mark

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

1

2

004793

1.Grind/sharpen; 0.3 - 0.4 mm (1/64")

2.Remove dull portion

1

cap

2

 

013361

 

Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones

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 result in vibration during cutting.

and secure the brush holder caps.

To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts.

6

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Makita JN3201 instruction manual Maintenance, Punch & die service life, Replacing carbon brushes
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JN3201 specifications

The Makita JN3201 is a robust and versatile electric nibbler designed for efficient and precise cutting of various materials. This lightweight tool is favored by professionals and DIY enthusiasts alike due to its powerful performance and ease of use.

One of the standout features of the Makita JN3201 is its capacity to cut through an array of materials, including sheet metal, aluminum, and steel plates up to 1/8 inch thick. The nibbler operates at a significant speed of 1,500 strokes per minute, making it an ideal choice for tasks that require rapid and accurate cutting. With its compact design, the JN3201 allows for maneuverability in tight spaces, providing optimal control for intricate cuts.

The JN3201 is equipped with a 4.5 amp motor that delivers strong cutting performance while maintaining a lightweight design, weighing in at just 3.5 pounds. This portability is particularly beneficial for extended use, minimizing user fatigue during long projects. Additionally, the ergonomically designed handle ensures a comfortable grip, allowing for precision and reducing strain on the hands.

One of the key technologies incorporated into the Makita JN3201 is its unique nibbler design, which features a bi-metal cutting head. This design allows for the removal of small pieces of material as it cuts, reducing the need for extensive clean-up afterward. The cutting head can be easily adjusted for various angles, enabling users to tackle complicated cutting tasks without difficulty.

For enhanced safety, the JN3201 includes a protective cover that shields the cutting mechanism during operation. This feature is crucial for preventing accidental injuries while ensuring a clean cutting process. Furthermore, the tool's built-in dust blower helps keep the cutting line visible, further enhancing accuracy and efficiency.

In summary, the Makita JN3201 is a powerful electric nibbler equipped with features designed for efficient cutting of various materials. Its lightweight, compact design, combined with a powerful motor and advanced cutting technologies, makes it an ideal tool for both professionals and hobbyists. Whether working on metal roofing, automotive projects, or crafts, the Makita JN3201 delivers outstanding performance, reliability, and precision, making it a vital addition to any tool collection.
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