Manual Fein ASb 648-EC2 (page 14 of 53) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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For your safety.

Do not use this power tool before you have thor-

oughly read and completely understood this

Instruction Manual and the enclosed “General

Safety Instructions” (document number

3 41 30 054 06 1). The documents mentioned should be

kept for later use and enclosed with the power tool,

should it be passed on or sold.

Please also observe the relevant national industrial safety

regulations.

Special safety instructions.

Use the auxiliary handles supplied with the power tool. A

loss of control over the power tool can cause personal

injuries.

Secure the workpiece firmly. A work piece that is gripped

tightly in a clamping device or vice, is more secure than if

held by hand.

Hold the power tool firmly and only position it onto screws

or nuts whilst it is switched off. It is possible that strong,

sudden jerking reactions occur.

Hold power tool by insulated gripping surfaces, when per-

forming an operation where the cutting accessory may con-

tact hidden wiring or its own cord. Cutting accessory

contacting a “live” wire will make exposed metal parts of

the power tool “live” and shock the operator.

Do not rivet or screw any name-plates or signs onto the

power tool. If the insulation is damaged, protection against

an electric shock will be ineffective. Adhesive labels are

recommended.

Do not use accessories which are not specifically designed

and recommended by the power tool manufacturer. Safe

operation is not ensured merely because an accessory fits

your power tool.

Clean the ventilation openings on the power tool at regular

intervals using non-metal tools. The blower of the motor

draws dust into the housing. An excessive accumulation

of metallic dust can cause an electrical hazard.

Before putting into operation, check the mains connection

and the mains plug for damage.

Intended use of the power tool:

Hand-guided drive impact wrench for commercial use for

tightening and loosening screws and nuts in weather-pro-

tected environments using the application tools and

accessories recommended by FEIN.

Note: When using for soft screwdriving connections (e.g.,

large wood screws), increased wear of power tool com-

ponents is possible due to their high loading.

Operating instructions.

Adjust the rotation direction only when the machine is at

a complete stop.

The diagrams at the end of this instruction manual

approximately show the impact duration required to

achieve a specified torque. The values apply for 100 %-

setting of the dial control (where applicable).

The torque reached must be checked with a torque

wrench, whereby the tightening torque is to be deter-

mined, and not the loosening torque.

Adjusting the tightening torque.

ASbe 642, ASbe 647-1, ASbe 648: The speed can be

reduced with the speed dial control, which leads to a flat-

tening of the torque characteristic.

ASb 636-EC2, ASb 647-1-EC2, ASb 648-EC2, ASb 658-1-EC2:

For repetitive screwdriving operations, continuous tor-

ques (± 10 %) can be achieved with the EC2 controller.

60–100 % of the maximum value can be variably

adjusted. When the selected torque is reached, the con-

troller switches the drive impact wrench off.

An already tightened screw may not be retightened.

ASbe 647-1, ASbe 648, ASb 658-1: In left-rotation mode,

the power tool operates with maximum speed/torque

independent of the speed setting.

Repair and customer service.

Blow out the interior of the power tool at

regular intervals from outside through the air

vents with dry, compressed air.

Lubricate the output shaft each month, or even

more often in case of frequent usage and heavy

If the supply cord of this power tool is damaged it must

be replaced by a specially prepared cord available

through the FEIN customer service centre.

If required, you can change the following parts yourself:

application tools

Warranty and liability.

The warranty for the product is valid in accordance with

the legal regulations in the country where it is marketed.

In addition, FEIN also provides a guarantee in accordance

with the FEIN manufacturer’s warranty declaration.

Only part of the accessories described or shown in this

instruction manual will be included with your power

tool.

Declaration of conformity.

FEIN declares itself solely responsible for this product

conforming with the documents and standards given on

the last page of this Instruction Manual.

Environmental protection, disposal.

Packaging, worn out power tools and accessories should

be sorted for environment-friendly recycling.

3 41 01 096 06 0.book Seite 14 Donnerstag, 5. Juli 2007 8:46 08

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Fein ASb 648-EC2 Manual

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