WS 7400 - Screwdriver METABO - Free user manual and instructions

USER MANUAL WS 7400 METABO

KONFORMITÄTSERKLÄRUNGVEDECLARATION OF CONFORMITY

We herewith declare in our sole responsibility that this product complies with the following standards in accordance with the regulations of the undermentioned Directives*

Director Innovation, Research and Development

Dokumentationsbevollmachtigter/ responsible person for documentation/ Chargé de la documentation

Metabowerke GmbH

Metabo-Allee 1

D-72622Nurtingen

1. Components and Parts (standard delivery)

1 Anti-vibration side handle
2 Grinding disc spindle
3 Wheel guard clamping fixture
4 Exhaust, muffled
5 Plug seat (air inlet)
6 Trigger
7 Trigger lock
8 Wheel guard

Not shown:

• Plug 1/4" (Germany) for air inlet
  Plug 1/4" (France, Spain)
• Plug 1/4" (Switzerland, Belgium, Netherlands)
• Open jaw wrench SW 19
• Special spindle nut tool
• Operating instructions

Table of Contents

1. Components and Parts (standard delivery). 8
2. Please Read First! 9
3. Safety 9
   3.1 Specified Conditions of Use....9
   3.2 General Safety Instructions 9
   3.3 Symbols on the Machine 10
4. Operation 10
   4.1 Before Initial Operation.. 10
   4.2 Installation of Grinding Disc or Cutoff Wheel 10
   4.3 Air Supply 10
   4.4 Adjusting the Wheel Guard....10
   4.5 Using the Tool.... 10
5. Care and Maintenance. 11
6. Available Accessories 11
7. Repairs.. 11
8. Environmental Protection ....11
9. Technical Specifications..11

2. Please Read First!

These instructions are written in a way to let you work with the tool quickly and safely. Here is how to use the instructions:

• Read these instructions before use. Pay special attention to the safety information.
  If you notice transport damage while unpacking, notify your supplier immediately. Do not operate the tool!
  These instructions are intended for persons having a basic technical knowledge in the handling of tools like the one described herein. If you have no experience whatsoever with such tool, we strongly recommend to seek the advise of experienced persons.
• Keep all documents supplied with this tool for future reference. Retain your proof of purchase in case of a future warranty claim.
• Should you rent or sell the tool,pass on all documents supplied with the tool.

The manufacturer assumes no liability for any damage caused by neglect of these operating instructions.

Information in these instructions is marked as under:

Danger! Risk of personal injury or environmental damage.

Caution! Risk of material damage.

Note: Additional information.

• At times numbers are used in illustrations (1, 2, 3, ...). These numbers
  indicate component parts; are consecutively numbered;
  Numbered steps must carried out in sequence.
• Instructions which can be carried out in any order are marked by a bullet point () .
• Listings are indicated by a dash (-).

3. Safety

3.1 Specified Conditions of Use

This angle grinder is an air tool for use by craftsmen. It can be used for grinding, deburring, polishing, cutting and surface preparation of metals, stones or ceramics.

This tool shall only be powered by an air compressor. The max. permissible working pressure stated in the Technical Specifications must not be exceeded. This tool must not be operated with gases that are explosive, combustible or detrimental to health.

Any other use is not as specified. Use not as specified, modification of the tool or use of parts not approved by the manufacturer can cause unforeseeable damage!

3.2 General Safety Instructions

• When using this air tool follow the safety instructions given below, to exclude the risk of personal injury or material damage.
• Please also observe the special safety instructions in the respective chapters.
• Observe the statutory accident insurance institution regulations and regulations for the prevention of accidents pertaining to the operation of air compressors and air tools, where applicable.
• This air tool must only be operated by persons who have read and understood the operating instructions, and who are aware of the dangers associated with handling such tool. Persons under 18 years of age shall use this tool only in the course of their vocational training, under the supervision of an instructor.

General hazards!

• Keep your work area tidy - a messy work area invites accidents.
• Be alert. Do not operate this tool while under the influence of drugs, alcohol or medication.
• Never use the tool when under the influence of alcohol or medication.
• Consider environmental conditions: keep work area well lighted.
• Prevent adverse body positions. Ensure firm footing and keep your balance at all times.
• Keep children and bystanders away from the work area.
• Store air tools out of the reach of children.
  Always use a quick coupler to connect this air tool to a compressor.
• Do not work materials detrimental to health.
• Working with this tool may generate sparks. Do not use the tool near flammable materials, liquids or gases.
• Do not inhale the sanding dust.
• Do not touch any rotating parts.
• Disconnect from air supply before
• changing grinding discs or cutoff wheels,
  servicing, or when tool is left unattended.
• Use only grinding and cuttings discs intended by the manufacturer for this tool.
• Do not operate the tool without installed wheel guard.
• Make sure that all assembly tools are removed from the air tool before turning it on.

Entanglement hazard!

• Ensure that no parts of the body or clothing can be drawn in by rotating components during operation (no neckties, no loose-fitting clothes; contain long hair with a hair net).

Hazard generated by insufficient personal protection gear!

• Wear personal protection gear:

ear protection,
protective spectacle,
- protective gloves,
- dust respirator (when work generates dust).

Hazard generated by machine defects!

• Do not attempt to repair the tool yourself! Only trained specialists are permitted to service or repair com

pressors, pressure vessels and air tools.

Danger by vibration!

• Vibrations are transmitted to the entire body, particularly to arms and hands. Very heavy vibrations may cause nerve and vascular disorder.

Caution!

Protect the tool, air inlet and operating elements in particular, from dust and dirt.

Make sure that the max. permissible working pressure stated in the Technical Specifications is not exceeded. The working pressure must be adjusted by a pressure regulator.
- Do no overload the tool:

• use it only within the range of capacity stated in the Technical Specifications;

• avoidimpacts to the work piece;
  avoidlateral load on the cuttingoff wheel.

• Let tool run idle for a short time only.

3.3 Symbols on the Machine

Danger! Disregard of the following warnings may lead to serious personal injury or material damage.

Read instructions.

Wear protective spectacle.

Wear ear protection.

Maximum permissible working pressure: 6.3 bar.

Speed n_0 : 11000 rpm

4. Operation

4.1 Before Initial Operation

Install plug.

4.2 Installation of Grinding Disc or Cutoff Wheel

Danger!

• Use only grinding discs and cutoff wheels intended by the manufacturer for this tool.
  Always disconnect tool from air supply before servicing.

• Fit the special spindle nut tool (9) on the spindle nut (11).

1. To lock the spindle (14), fit the open jaw wrench (12) below the inner wheel flange (13) onto the spindle.

1. Loosen spindle nut (11), holding spindle with the open jaw wrench.
2. Remove spindle nut (11) and grinding disc or cutoff wheel (10).
3. Check to see that the inner wheel flange (13) fits correctly on the spindle (14). Put a new grinding disc or cutoff wheel (10) on.
4. Put the spindle nut (11) on and tighten hand-tight only while holding the spindle with the open jaw wrench.
5. Remove special spindle nut tool and open jaw wrench.

4.3 Air Supply

Caution!

To ensure a long service life of this tool, it needs to be supplied with sufficient quantities of pneumatic oil. This can be achieved as follows:

by a service unit on the compressor.
by a line oiler, integrated in the air line or directly installed to the tool.
- by adding approx. 3-5 drops of pneumatic oil by hand every 15 minutes of use (continuous operation) to the air inlet.

1. Adjust working pressure at the compressor (see Technical Specifica

tions for max. permissible working pressure).

1. Connect the compressor's air supply (quick coupler).

4.4 Adjusting the Wheel Guard

The wheel guard protects your hands. Its position can be adapted to the individual job on hand.

1. Loosen screw (15) of the clamping fixture.

1. Rotate wheel guard into desired position.
2. Tighten screw (15) hand-tight.

4.5 Using the Tool

Hazard generated by insufficient personal protection gear!

• Wear personal protection gear:

ear prdction,
protectivespectacle,
protectivegloves,
- dust respirator (when work generates dust).

Grinding and roughing-down

1. Connect tool with quick coupler to air supply.
2. Secure work piece in a vice or with G-cramps/clamps.
3. To start:

push trigger guard and
- press trigger fully down.

1. Hold grinding disc with light and even pressure to the surface to be worked. Note the direction of the flying sparks!

Note:

The disc's optimal working angle on the work piece is 15^ for grinding and 30 - 40^ for roughing-down.

Cutting

1. Connect tool with quick coupler to air supply.

2. Secure work piece in a vice or with G-cramps/clamps.

3. To start:

push trigger guard and
- press trigger fully down.

1. Set the cutoff wheel to the work piece at the desired cutting angle.

This angle should be maintained during the entire cutoff operation.

1. Cut the work piece, exerting only light pressure on the cutoff wheel. Note the direction of the flying sparks!

5. Care and Maintenance

Danger!

Always disconnect tool from air supply before servicing.

Repair and maintenance work other than described in this section must only be carried out by qualified specialists.

• Check all screwed connections for tightness, tighten if necessary.
• If the tool is not lubricated by a service unit or line oiler, add for every 15 operating minutes (continuous oper

ation) 3-5 drops of pneumatic oil into the air inlet.
- Do not store tool unprotected outdoors or in damp environment.

6. Available Accessories

• Pneumatic oil 0.5 litre Special lubricant for air tools, service units and line oilers. Stock-no. 090 100 8540
  Add-on lubricator R1/4" female Installs directly on air tool. Oil level can always be checked through sight glass. Stock-no.090 105 4584
• Swivel-type air inlet
  DKG 1/4"
  For fitting directly to air tools.
  Improves tool manoeuvrability.
  Stock-no. 090 106 0991

7. Repairs

Danger!

Repairs to air tools must be carried out by qualified specialists only!

Air tools in need of repair can be sent to the service centre in your country. See spare parts list for address.

Please attach a description of the fault to the air tool.

8. Environmental Protection

The tool's packaging can be 100% recycled.

Worn out machines and accessories contain considerable amounts of valuable raw and plastic materials, which can be recycled.

These instructions are printed on paper produced with elemental chlorine free bleaching process.

9. Technical Specifications

Model WS 7400
Air consumption l/min 400
Max. permissible working pressure bar 6.3
Speed min	-1 11000
Orbital stroke mm 5
Sanding pad diameter mm	"	125
		5
Spindle thread M 14
Vibration (effective value of weighted acceleration)	m/s2	0.6
Uncertainty K	m/s2	<2.5
EN ISO 15744:2008 (ISO 15744:2002)
Sound power level LWA	dB (A)	90
Sound pressure level LPA	dB (A)	78
Uncertainty K	dB (A)	4
Dimensions:
length x width x height	mm	230 × 108 × 148
Weight: Tool without packaging	kg	1.8
Tool with packaging	kg	2.74

Régime n_0:11000 trs/min

4. Fonctionnement

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ApTnkyI 090 100 8540