Maintenance And Cleaning - Scheppach 7906100719 Notice Originale

Ponceuse excetrique à air comprime

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using a suitable special oil for compressed air appli-

ances

• Lubrication with mist oiler: A mist oiler (not sup-

plied) continuously and optimally lubricates the ap-

pliance as a preparation stage after the pressure re-

ducer. A mist oiler gives off fine drops of oil into the

air flow and thus guarantees a regular lubrication.

• Manual lubrication: If you do not have a mist oiler,

lubricate the appliance before every use or longer

work sessions by dripping 3–4 drops of special oil

for compressed air appliances into the connector

nipple (5).

Refilling oil

To ensure that the compressed air-powered random

orbital sander remains operational for as long as

possible, make sure that there is sufficient pneumatic

oil in the appliance.

The following options are available:

• Attach a maintenance unit with an oiler to the com-

pressor.

• Install a fitted oiler into the compressed air line or

the compressor.

• Add 3–5 drops of pneumatic oil into the connector

nipple (5) every 15 minutes of operation.

Connecting to a compressed air source

Before connecting the compressed air source

• the correct working pressure (3–6 bar) must be fully

reached

• make sure that the trigger is in the upper position

• Attach the appliance to a compressor by connecting

the connector nipple (5) with the supply hose of the

compressed air source.

• To ensure that you can regulate the air pressure,

the compressed air source must be equipped with a

pressure reducer.

Handling

Switching on and off

Switching on:

• First press the locking mechanism forwards and

• then the trigger (3) to switch the appliance on.

Switching off:

• Let go of the trigger (3).

• When you have finished working, disconnect the ap-

pliance from the compressed air source.

Regulation of vibration output

• Use the speed controller (6) to control the airflow

and thus the vibration output (also during operation).

• The ideal speed depends on the material being

worked and can be determined through practical

tests.

Use the pressure reducer to set the correct working

pressure. Operate the appliance at a working pressure

of 6.3 bar.

Sanding

• Switch on the compressed air source and allow it

to run until the maximum tank pressure has been

reached.

• Use the pressure reducer on the compressed air

source to set the optimum working pressure. Note

that the maximum working pressure may not be ex-

ceeded. An excessive working pressure does not

mean increased output; it merely increases the air

consumption and accelerates appliance wear. Al-

ways comply with the technical information.

• Switch on the compressed air-powered random or-

bital sander.

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• Allow the device to reach the required speed and

adjust as necessary.

• Guide the compressed air-powered random orbital

sander parallel onto the workpiece.

• Move the appliance parallel and in flat circles or al-

ternatively lengthwise and across the surface. Use

the housing (1) as a handle to guide the appliance in

the desired direction.

• Do not press the compressed air-powered random

orbital sander down. Pressing down hard does not

increase the working efficiency!

• When you have finished working, let go of the trigger

(3) to switch off the appliance.

• When you have finished working, disconnect the ap-

pliance from the compressed air source.

CAUTION!

• Sanding creates dust. Always wear protective

gloves, a suitable mask and clean the sandpaper

and workpiece at regular intervals with a vacuum

cleaner or compressed air.

• Suitable safety precautions must be taken depen-

ding on the size and nature of the workpiece. Use

suitable clamping devices to prevent the workpiece

from slipping.

• In the event of an interruption to the air supply, re-

lease the trigger (3) immediately.

Optimal working procedures

The most important thing to remember when san-

ding is to use successively finer grained paper. With a

coarse grain, the surface will not become smooth, but

rather rougher. If the grain is too fine, you will hardly

achieve any noticeable result. The material removal

rate is determined by the speed and grain size of the

sandpaper. The sandpaper used should be appropri-

ate to the substance being worked and the amount of

material to be removed.

CAUTION! Ensure that the appliance is disconnected

from the compressed air source before you fit or remo-

ve a sandpaper disc (11).

Material

Paint-

rubbing down

work:

removing scratches

removing rust

Wood:

softwood

hardwood

plywood

Metal:

aluminium

steel