Makita 8413D User Manual download pdf (Page 7)

Hammer drilling operation

First, turn the action mode changing ring so that the

arrow on the tool body points to the X marking. The

adjusting ring can be aligned in any torque levels for this

operation. Position the bit at the desired location for the

hole, then pull the trigger. Do not force the tool. Light

pressure gives best results. Keep the tool in position and

prevent it from slipping away from the hole. Do not apply

more pressure when the hole becomes clogged with

chips or particles. Instead, run the tool at an idle, then

remove the bit partially from the hole. By repeating this

several times, the hole will be cleaned out and normal

drilling may be resumed.

CAUTION:

There is a tremendous and sudden twisting force exerted

on the tool/bit at the time of hole breakthrough, when the

hole becomes clogged with chips and particles, or when

striking reinforcing rods embedded in the concrete.

Always use the side grip (auxiliary handle) and firmly

hold the tool by both side grip and switch handle during

operations. Failure to do so may result in the loss of con-

trol of the tool and potentially severe injury.

Blow-out bulb (Fig. 12)

Use the blow-out bulb to clean out the hole.

Installing set plate (Fig. 13)

For 8413D

Always install the set plate when using battery cartridges

1200, 1202 or 1202A. Install the set plate on the tool with

the screw provided.

MAINTENANCE

CAUTION:

Always be sure that the tool is switched off and the bat-

tery cartridge is removed before carrying out any work on

the tool.

Replacement of carbon brushes (Fig. 14 & 15)

Replace carbon brushes when they are worn down to the

limit mark. Both identical carbon brushes should be

replaced at the same time.

To maintain product safety and reliability, repairs, mainte-

nance or adjustment should be carried out by Makita

Authorized Service Center.

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Makita 8413D User Manual Page 7