Makita BTP140RFE Specifications download pdf (Page 13)

Drilling in metal

To prevent the bit from slipping when starting a hole, make an indentation with

a center-punch and hammer at the point to be drilled. Place the point of the bit

in the indentation and start drilling.

Use a cutting lubricant when drilling metals. The exceptions are iron and brass

which should be drilled dry.

CAUTION:

• Pressing excessively on the tool will not speed up the drilling. In fact, this

excessive pressure will only serve to damage the tip of your bit, decrease

the tool performance and shorten the service life of the tool.

• There is a tremendous force exerted on the tool/bit at the time of hole

break through. Hold the tool firmly and exert care when the bit begins to

break through the workpiece.

• A stuck bit can be removed simply by setting the reversing switch to

reverse rotation in order to back out. However, the tool may back out

abruptly if you do not hold it firmly.

• Always secure small workpieces in a vise or similar hold-down device.

• If the tool is operated continuously until the battery cartridge has

discharged, allow the tool to rest for 15 minutes before proceeding with a

fresh battery.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is

removed before attempting to perform inspection or maintenance.

Replacing carbon brushes

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 two screws then remove the rear cover.

1. Limit mark

006258

1. Rear cover

2. Screws

006259

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Makita BTP140RFE Specifications Page 13