Makita XWT07 Посібник - Сторінка 8

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Також для Makita XWT07: Інструкція з експлуатації (12 сторінок), Інструкція з експлуатації (12 сторінок)

NOTE: Hold the tool pointed straight at the bolt or nut.

NOTE: Excessive fastening torque may damage the bolt/nut or

impact socket. Before starting your job, always perform a test

operation to determine the proper fastening time for your bolt or nut.

NOTE: 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 cartridge.

The fastening torque is affected by a wide variety of factors

including the following. After fastening, always check the torque

with a torque wrench.

1. When the battery cartridge is discharged almost completely,

voltage will drop & the fastening torque will be reduced.

2. Impact socket:

• Failure to use the correct size impact socket will cause a reduction

in the fastening torque.

• A worn impact socket (wear on the hex end or square end) will

cause a reduction in the fastening torque.

3. Bolt:

• Even though the torque coefficient & the class of bolt are the

same, the proper fastening torque will differ according to the

diameter of bolt.

• Even though the diameters of bolts are the same, the proper

fastening torque will differ according to the torque coefficient, the

class of bolt & the bolt length.

4. The use of the universal joint or the extension bar somewhat

reduces the fastening force of the impact wrench. Compensate by

fastening for a longer period of time.

5. The manner of holding the tool or the material or driving position

to be fastened will affect the torque.

6. Operating the tool at low speed will cause a reduction in the

fastening torque.