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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").
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2
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.
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2
3
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
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.
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2
013361
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.
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.
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