Makita JN3201 Instruction Manual download pdf (Page 6)

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:

• 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").

004793

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.

004794

CAUTION:

• 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

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.

013361

Use a screwdriver to remove the brush holder caps.

Take o ut t he wo rn c ar bon br us hes , insert t he n ew o ne s

and secure the brush holder caps.

To mainta in p ro duct SAFETY an d RE LI ABILITY, re pa ir s,

any other maintenance or adjustment should be

performed by Makita Authorized or Factory Service

Centers, always using Makita replacement parts.

1. Screwdriver

2. Brush holder

cap

1. Limit mark

1. 3.5 -4.0 mm

(1/8" - 5/32")

2. Die

3. Washer

1. Grind/sharpen;

0.3 - 0.4 mm

(1/64")

2. Remove dull

portion

1 2 3 4 5 6 7 8 9 10 11 ... 23 24

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Makita JN3201 Instruction Manual Page 6

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