Makita HR2450F User Manual download pdf (Page 8)

Torque limiter

The torque limiter will actuate when a certain torque level is

reached. The motor will disengage from the output shaft.

When this happens, the bit will stop turning.

CAUTION:

• As soon as the torque limiter actuates, switch off the tool

immediately. This will help prevent premature wear of the

tool.

• Hole saws cannot be used with this tool. They tend to

pinch or catch easily in the hole. This will cause the

torque limiter to actuate too frequently.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Side handle (auxiliary handle)

Always use the side grip to ensure operating safety. Install

the side grip so that the teeth on the grip fit in between the

protrusions on the tool barrel. Then tighten the grip by turn-

ing clockwise at the desired position. It may be swung 360°

so as to be secured at any position.

Bit grease

Coat the bit shank head beforehand with a small amount of

bit grease (about 0.5 - 1 g).

This chuck lubrication assures smooth action and longer ser-

vice life.

1. Grip base

2. Side grip

3. Loosen

4. Teeth

5. Protrusion

6. Tighten

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Makita HR2450F User Manual Page 8