LRS 93 M - Electric sander FESTOOL - Free user manual and instructions

USER MANUAL LRS 93 M FESTOOL

Original operating manual

1 Symbols 12
2 Technical data 12
3 Intended use 12
4 Safety instructions. 12
5 Compressed-air supply and commissioning 14
6 Settings 15
7 Service and maintenance. 15
8 Accessories 16
9 Disposal 16
10 Warranty 16
11 EU Declaration of Conformity .... 16

The specified illustrations appear at the beginning of the Operating Instructions.

1 Symbols

Warning of general danger

Manual, read the instructions

Wear protective goggles.

Wear ear protection.

Do not throw in the household waste.

2 Technical data

Compressed air orbital sander	LRS 93 M, LRS 93 G
Drive	Compressed-air vane motor
Operating pressure (flow pressure)	6 bar
Speed	4000 - 7000 rpm
Working strokes	4000 - 14000 rpm
Sanding stroke	5 mm
Air consumption at nominal load	310 l/min
Sanding base (replaceable)	93 x 175 mm
Weight	1,4 kg

3 Intended use

The orbital sanders LRS 93 M and LRS 93 G are compressed-air tools for sanding wood, plastic, metal, stone, composite materials, paint/vanish, fillers and similar material. Materials containing asbestos must not be processed.

The user bears the responsibility for damage and accidents caused by improper use.

4 Safety instructions

4.1 General safety instructions

Warning! Before setting up, using, repairing and servicing this air tool or replacing accessory parts, you must have read and understood all safety instructions and information. Ignoring warning notes and instructions may result in serious injuries.

Keep all of the attached documents and pass on the documentation if the machine changes ownership.

a)Keep your work area tidy! Untidiness in work areas can lead to accidents.
b)Take account of environmental influences. Do not leave pneumatic tools out in the rain. Keep work area well lit.

Never use pneumatic tools in the vicinity of flammable liquids or gases.

c)Keep away from children. Do not allow others to touch the pneumatic tool or the compressed-air hose.
Keep others away from your work area.
d)Store your pneumatic tools safely. Unused pneumatic tools should be stored in a dry, inaccessible or locked location, out of the reach of children.
e)Use the correct pneumatic tool. Do not use the pneumatic tool for purposes for which it was not intended.
f) Wear suitable work clothes! Do not wear loose fitting clothing or jewellery. They can get entangled in moving parts. Rubber gloves and non-slip footwear are recommended for outdoor work. Long hair should be protected with a hair net.
g)Wear safety goggles! You should also wear a face mask for work which produces dust.
h)Connect a dust extractor. Make sure that available dust extraction equipment is connected and used correctly. Observe the re

gional safety regulations for hazardous dusts and vapours.

Operate and service the air tool as described in the recommendations included in these instructions and use accessories and attachments from Festool to minimise the release of dust and vapours into the atmosphere. In dusty environments, make sure that the dissipation of exhaust air does not disturb the dust.

i) Do not use the compressed-air hose for purposes for which it was not intended. Never carry the pneumatic tool by the compressed-air hose.
Protect the compressed-air hose from heat, oil and sharp edges.
Never direct the air flow towards yourself or other persons.
j) Secure the workpiece. Use clamping devices or a vice to hold the workpiece firmly.
These clamp the workpiece more securely than with hands and also allow both hands to be free to operate the pneumatic tool.
k) Avoid abnormal body postures. Ensure that you are standing securely and keep your balance at all times.
1) Carefully maintain your tools. Keep cutting tools sharp and clean in order to be able to work better and more safely.
Comply with the instructions for lubrication and tool changes. Check the compressed-air hose regularly and if it becomes damaged, have it replaced by an approved specialist. Keep the hand grips dry, clean and free of oil and grease.
m)Disconnect the compressed-air hose from the compressed-air supply. If the pneumatic tool is idle, prior to maintenance and when changing tools such as saw blades, drill bits, cutting tools.
n) Do not leave tool keys in the tool. Before switching on, check that the key and adjusting tools have been removed.
o) Avoid inadvertent start-ups. Do not carry a pneumatic tool that is connected to a com-

pressed-air supply with your finger on the trigger.

When connecting the compressed-air hose to a compressed-air supply, make sure that the switch is not activated.

p)Pay attention! Take care of what you do. Work sensibly.

Do not use electric power tools when you lack concentration.

Operating and maintenance personnel must be physically strong enough to handle the size, weight and power of the machine.

q) Check the pneumatic tool for possible damage. Before continuing to use the pneumatic tool, carefully examine safety devices and slightly damaged components and make sure that they function correctly and as specified. Check whether moving components function correctly and do not seize, and whether any components are damaged.

All components must be fitted correctly and meet all requirements to ensure that the pneumatic tool operates correctly.

Damaged safety devices and parts should be repaired or replaced by an authorised service centre unless otherwise specified in the operating instructions.

Damaged switches must be replaced by an authorised service centre. Do not use pneumatic tools with faulty switches (machine cannot be switched on or off).

r) IMPORTANT! Only use accessories and auxiliary devices that are listed in the operating manual or that are recommended by the manufacturer (catalogue). The use of other tools and accessories can represent a risk of injury.
s)Have your pneumatic tool repaired by a qualified specialist. This pneumatic tool corresponds to the relevant safety regulations. Repairs should only be carried out by a qualified specialist. The operator is otherwise at risk of an accident.
t) Only trained and qualified persons are permitted to set up, adjust and operate this air tool. Persons without the relevant qualifications and training are more likely to cause accidents.
u)This air tool may not be modified. Modifications may reduce the effectiveness of

safety devices and pose a greater risk to operating personnel.

v)Hold the machine correctly. Prepare to counteract normal or sudden movements - hold the machine with both hands.

4.2 Machine-related safety instructions

• If potentially explosive or self-igniting dust is produced during sanding, the processing instructions of the material manufacturer must be observed under all circumstances.
• If dust dangerous to health is produced during sanding, the machine should be connected to an appropriate extraction device and the safety regulations that apply to the working material should be observed.
• The operating pressure should not exceed 6.5 bar.
• The tool should only be operated with sandpaper. Grinding wheels and parting grinder discs are not permitted.
• Only work with correctly processed compressed air. Using the Festool service unit VE guarantees this.
• Wear suitable protection such as ear protection, safety goggles, a dust mask for work which generates dust, and protective gloves when working with raw materials and when changing tools.
• The permissible rotational speed of the accessory must be at least as high as the maximum speed specified on the machine. Accessories that rotate faster than the permissible level can rupture.
• Proceed with caution in unfamiliar surroundings that may contain electricity or other supply cables that harbour hidden dangers. Make sure that there are no electrical cables, gas pipelines or similar that, if damaged, could pose a hazard when the machine is used.

4.3 Residual risks

In spite of compliance with all relevant design regulations, dangers may still present themselves when the machine is operated, e.g.:

• Workpiece parts being thrown off,
• Parts of damaged tools being thrown off,
• Noise emission,
• Wooddust emission.

4.4 Emission levels

Levels determined in accordance with EN ISO 15744/EN ISO 8662 are typically:

Sound pressure level

$$ L _ {P A} = 7 0 \mathrm {d B (A)} $$

Noise level

$$ \mathrm {L} _ {\mathrm {W A}} = 8 1 \mathrm {d B (A)} $$

Measuring uncertainty allowance

$$ K = 3 \mathrm {d B} $$

CAUTION

Operating noise

Damage to hearing

Wear ear protection!

Levels determined in accordance with EN ISO 15744/EN ISO 8662 are typically:

Measured acceleration

$$ < 2, 5 \mathrm {m} / \mathrm {s} ^ {2} $$

Uncertainty

$$ K = 1, 5 \mathrm {m} / \mathrm {s} ^ {2} $$

The emission values specified (vibration, noise) were measured in accordance with the test conditions stipulated in EN 60745 and are intended for machine comparisons. They are also used for making preliminary estimates regarding vibration and noise loads during operation.

The emission values specified refer to the main applications for which the air tool is used. If the air tool is used for other applications, with other tools or is not maintained sufficiently prior to operation, however, the vibration and noise load may be higher when the tool is used. Take into account any machine idling times and downtimes to estimate these values more accurately for a specified time period. This may significantly reduce the load during the machine operating period.

5 Compressed-air supply and commissioning

CAUTION

Risk of injury

Make sure that the pneumatic tool is switched off when you connect the compressed-air supply.

5.1 Compressed-air processing

The Festool service unit should always be used to ensure that Festool pneumatic tools function correctly. Consisting of a filter, control unit, condensation drain and lubricator, the service unit

cleans and lubricates the compressed air and keeps it free of condensation. Here, the lubricator should be set so that a drop is applied to the compressed air approx. every 7-10 minutes.

Damage that occurs as a result of incorrect compressed-air processing is excluded from warranty claims.

① We recommend a service unit with a 3/8'' connector, when up to two Festool pneumatic tools are used.

A compressor that supplies at 500l / min and at an operating pressure of 6 bar should be used to supply compressed-air.

The diameter of the piping system must be sufficiently large (at least 9mm ).

5.2 IAS 2 hose connector

The sander is a pneumatic tool for connection to the Festool IAS 2 system. This hose system combines three functions in one hose:

• Compressed-air supply [1-1]
• Exhaust air extraction [1-2]
• Dust extraction [1-3]

Connection and disconnection - see Fig. [5].

5.3 Switch on/off

Pressing the lever [2-1] switches on the compressed-air tool. Releasing the lever switches the machine off again.

6 Settings

CAUTION

Risk of injury

The machine should always be disconnected from the compressed air supply before any work is carried out on the machine.

6.1 Electronics

Speed adjustment

You can regulate the rotational speed steplessly between 4000 - 7000 rpm using the adjusting wheel [2-2].

This enables you to optimise the cutting speed to suit the material.

6.2 Attaching sanding accessories

You can choose between 2 types of abrasive fastening for the compressed-air orbital sanders LRS 93 M and LRS 93 G:

Clamping abrasive

Start at the rear.

• Open the clamping device [4-1] by pressing the locking lever.
  Insert abrasive up to stop [4-2] and release lever.
  Then apply abrasive onto sanding pad, pull tight and clamp with the front lever.

Fasten abrasive with StickFix

The suitable StickFix sandpaper and StickFix sanding cloth can be attached quickly and simply to the StickFix sanding pad.

Press the self-adhesive sanding accessory onto the sanding pad.

6.3 Dust extraction

WARNING

Dust hazard

Dust can be hazardous to health. Always work with a dust extractor.
Always read applicable national regulations before extracting hazardous dust.

Sanding dust is extracted through the extraction channels in the sanding pad directly to the material removal point. To guarantee optimized dust extraction, we recommend using Festool extractors with automatic switch-on/ switch-off device for compressed-air tools.

In order to prevent damage to the pneumatic motor, dust extraction must not be carried out on the pneumatic tool when it is at standstill.

7 Service and maintenance

WARNING

Risk of injury

The machine should always be disconnected from the compresses air supply before any work is carried out on the machine.
All maintenance and repair work which requires the motor casing to be opened may only be carried out by an authorised service centre.

7.1 Vanes

We recommend that the vanes on the motor be replaced after approx. 500 operating hours.

7.2 Lubrication

If the tool is not used for longer periods, e.g. for a weekend, introduce 1 or 2 drops of lubricating oil into the compressed-air supply [5-1] on the tool prior to use.

7.3 Replacing the silencer

The silencer on the IAS 2 connecting piece must be replaced at regular intervals to maintain the power of the pneumatic tool.

7.4 Cleaning the extraction channels

We recommend that the extraction channels in the tool [3] be cleaned using a small pipe-cleaner brush or a cloth once a week (especially when sanding resin filler). For this purpose release the sanding base with the 4 screws.

8 Accessories

Use only original Festool accessories and Festool consumable material intended for this machine because these components are designed specifically for the machine. Using accessories and consumable material from other suppliers will most likely affect the quality of your working results and limit any warranty claims. Machine wear or your own personal workload may increase depending on the application. Protect yourself and your machine, and preserve your warranty claims by always using original Festool accessories and Festool consumable material!

Festool offers the appropriate sanding and polishing attachments for every application.

The order numbers of the accessories and tools can be found in the Festool catalogue or on the Internet under "www.festool.com".

9 Disposal

Do not throw the power tool in your household waste! Dispose of machines, accessories and packaging at an environmentally responsible recycling centre. Observe the valid national regulations.

EU only: European Directive 2002/96/EC stipulates that used electric power tools must be collected separately and disposed of at an environmentally responsible recycling centre.

10 Warranty

We offer a warranty for material and production defects for all our tools in accordance with the locally applicable legal provisions, but for a minimum of 12 months. Within the EU member states, the warranty period is 24 months (verification through invoice or delivery note). Damage caused by the operator, natural wear, over

loading, incorrect handling or through the use of the equipment not specified in the operating manual, or damage which was known at the time of purchase, is not covered by the warranty. Furthermore, damage caused by the use of nonoriginal accessories and consumable materials (e.g. sanding pads) is also excluded.

Complaints can only be accepted if the tool is returned while still assembled to the supplier or an authorised Festool Customer Service workshop. Keep the operating manual, safety instructions, spare parts list and purchase receipt in a safe place. Otherwise the current warranty conditions of the manufacturer shall apply.

Note

Due to continuous research and development work, we reserve the right to make changes to the technical content of this documentation.

11 EU Declaration of Conformity

Compressed air orbital sander	Serial no.
LRS 93 M	692049
LRS 93 G	692050
Year of CE mark: 2000

We declare under sole responsibility that this product complies with the following directives and standards:

EN 792-8 in accordance with the regulations stipulated in Directive 98/37/EC (until 28 Dec. 2009), 2006/42/EC (from 29 Dec. 2009).

Festool GmbH

Wertstr. 20, D-73240 Wendlingen, Germany

paa. 0a. Jdaanu nn

Head of Research, Development and Technical Documentation

11.01.2010

REACH for Festool products, its accessories and consumable materials:

REACH is a European Chemical Directive that came into effect in 2007. As "downstream users" and product manufacturers, we are aware of our duty to provide our customers with information. We have set up the following website to keep you updated with all the latest news and provide you with information on all the materials used in our existing products:

www.festool.com/reach

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