Atlas Copco GTG40 S060-727 Merkblatt

GTG40 S060-727

Printed Matter No. 9836 6978 00 Turbine Grinders

Valid from Serial No. B7440001

2015-03-01 Product Instructions

GTG40 S060-727 ( 6000 rpm ) 8423071507

WARNING

Read all safety warnings and instructions

Failure to follow the safety warnings and in-

structions may result in electric shock, fire and/

or serious injury.

Save all warnings and instructions for future

reference

2© Atlas Copco Industrial Technique AB - 9836697800

Table of Contents

EN Product Instructions.......................................................................... 3

FR Instructions sur le produit .............................................................. 15

ES Instrucciones del producto ............................................................ 26

RU Инструкции по изделию .............................................................. 36

GTG40 S060-727 EN Safety and operating instructions

Safety and operating instructions

Safety instructions

Important information for safer grinding

Make sure you are familiar with the operating instructions before you use the

grinder.

All local safety regulations with respect to installation, operation and overhaul

must always be followed.

Avoid accidents

To avoid serious personal injury from disintegrating wheel due to

overspeed, defective wheel or improper mounting:

• Check spindle speed regularly with a tachometer.

Note – Never measure spindle speed with an abrasive wheel attached

• Free speed shall not exceed the rated speed marked on the power tool.

• Speed test intervals shall be determined depending on the working environ-

ment and the compressed air quality. Use shorter intervals (once a week)

when conditions are unfavourable, dirty air, corrosive atmosphere, longer

standstills and unregular lubrication. It is acceptable to use longer intervals

when conditions are favourable.

• Particularly check that the actual spindle speed does not exceed the rated

name plate speed before mounting a wheel, after all repairs and whenever

the tool is issued for use.

• Use only abrasive wheels that are in good condition and rated at or above

actual spindle speed.

Safety and operating instructions EN GTG40 S060-727

4© Atlas Copco Industrial Technique AB - 9836 697800 00

• Before mounting inspect the wheel. Cracked or chipped wheels must not be

used. Do not use a wheel that has been soaked in water or any other liquid.

The wheel shall fit freely but not loosely on the spindle.

• Check for excessive air pressure (max. working pressure 7 bar – 100 psi) or

mal functioning governor, see ANSI B 186.1 section 3 (3.2.12 speed check).

• Always use the wheel safety guard furnished with the grinder. See ANSI

B186.1 Safety Standard section 3 (3.2.8 Safety Guard).

• Inspect the guard. Damaged, bent or severely worn guards shall be replaced.

A guard subjected to wheel failure is likely to be internally weakened and

shall not be used.

• Check driving flange and the adaptor driving flange. Use only equipment in

accordance with ANSI B186.1 section 3.2.4.3. (3).

• When starting the tool with a new or different grinding wheel hold tool and

run for 30 seconds under a bench or in a manner which will avoid the path

of broken wheel parts in case the wheel is defective.

• Do not modify the grinder in any way.

• Do not mount any adaptor not listed in parts book.

To avoid injury from rotating wheel:

• Disconnect tool from air supply when changing wheel.

• The spindle nut shall be properly tightened to avoid the wheel coming loose.

• Keep the wheel guard mounted and positioned in a way to protect the opera-

tor.

• Always wear personal protective equipment suitable for the job as protec-

tion gloves, leather apron and helmet.

Broken grinding wheel

If grinding wheel is broken, a careful investigation shall be made by the user to

determine and correct the cause.

If the failure occurs while the tools is in operation, the wheel manufacturer and

the tool manufacturer should be notified promptly.

To prevent vision loss:

• Always wear approved eye protection, see ANSI 287.1.

• Isolate work by using barriers between work stations.

GTG40 S060-727 EN Safety and operating instructions

Explosive atmosphere must not be ignited:

• To prevent injury and property loss from fire use other non sparking

process.

Long term risks

To prevent gradual loss of hearing due to exposure to high noise

levels:

• wear ear protection

Vibration may be harmful to hands and arms:

• Poorly balanced wheels shall not be used.

• Use vibration dampened handles if available.

• Reduce total time of exposure to vibration.

Avoid inhaling dust:

• Use a dust extraction system.

• Use an approved dust mask.

Proper use

• Work piece shall be properly supported or fixed.

• When cutting off, support workpiece not to jam the wheel. Slot shall remain

constant or become wider during operation.

• If jamming the wheel during cutting off, shut off power and ease the wheel

free, check wheel for damage before continuing operation.

• Remember that there is a running on after the throttle has been released.

Safety and operating instructions EN GTG40 S060-727

6© Atlas Copco Industrial Technique AB - 9836 697800 00

• If a grinder fitted with an abrasive wheel is dropped, the wheel must be thor-

oughly examined before reuse.

• Disconnect from power supply before changing wheel or servicing.

• Release control device in case of interruption of energy supply.

• Always keep the tool in a dry and clean place when not in use.

Maintenance

Follow up tool manual and lubrication instruction.

Make overhaul at regular intervals.

Make sure that service personnel are trained.

Take special care concerning dismantling and assembly of speed governors and

overspeed shut off devices.

Always check the free speed after service.

Use genuine Atlas Copco replacement kits and parts only.

For additional safety information

Consult:

• Safety code for Portable Air Tools ANSI B186.1

• Safety requirements for Use, Care and Protection of Abrasive Wheels ANSI

B7.1

Both codes available from American Standards Institute Inc., 1430 Broadway

NY, NY 10018.

Warning

Make sure you are familiar with the operating instructions before you use this

machine.

This machine, its attachments and accessories must only be used for the pur-

pose for which they were designed.

For product liability and safety reasons any modification to the machine, its at-

tachments or accessories must be agreed in advance with an authorized techni-

cal representative of the manufacturer.

To prevent personal injury and long time risks:

• Before making any adjustments to the machine, e.g. changing an accessory,

please ensure that the air supply is disconnected and the machine is safely

isolated.

• Inspect the wheel guard and its locking device before attaching the grinding

equipment.

Always make sure that you have the correct guard for the grinding equip-

ment and adjust the guard for best operator protection.

• The grinding equipment must be approved for the rated speed of the ma-

chine.

• Always use the smaller flange washer for attachment of wheel types 27 or

42 and the larger flange washer for attachment of straight cut-off wheels of

type 41.

GTG40 S060-727 EN Safety and operating instructions

• Check the free speed of the machine daily and whenever the machine has

been serviced. This check should be carried out with the grinding equipment

detached.

NOTE - Before checking the speed the backing flange is to be locked with

the flange washer.

Installation

• Fit the support handle in suitable position for right- or left hand operation

respectively.

• Always make sure that you have the correct guard for the grinding equip-

ment and adjust the guard for best operator protection.

• Attach the grinding equipment according to figure.

• Connect the machine to the air line according to figure.

Blow out the hose before connecting.

The machine is designed for a working pressure (e) of 90 psig.

The motor requires no additional lubrication during operation.

• The throttle valve lever may only be activated after pushing the lever catch

release arm forwards.

Before starting the machine, read the separate safety instruction for grind-

ing.

Check regularly that the catch and the release arm moves easily.

Air quality

• For optimum performance and maximum machine life we recommend the

use of compressed air with a maximum dew point of +10°C. We also rec-

ommend the installation of an Atlas Copco refrigeration-type air dryer.

• Use a separate air filter of type Atlas Copco FIL. This filter removes solid

particles larger than 15 microns and also removes more than 90 % of liquid

water. The filter must be installed as close as possible to the machine/equip-

ment and prior to any other air preparation unit such as REG or DIM (please

see Air Line Accessories in our main catalogue). Blow out the hose before

connecting.

Models which need air lubrication:

• The compressed air must contain a small quantity of oil.

We strongly recommend that you install an Atlas Copco oil-fog lubricator

(DIM). This should be set according to air consumption by the air line tool

according to the following formula:

L = Air consumption (litre/s).

(May be found in our sales literature).

D = Number of drops per min (1 drop = 15 mm3)

L* 0.2 = D

Safety and operating instructions EN GTG40 S060-727

8© Atlas Copco Industrial Technique AB - 9836 697800 00

this applies to the use of long work cycle air line tools. A single point lubri-

cator type Atlas Copco Dosol can also be used for tools with short running

cycles.

Information about Dosol settings may be found under Air Line Accessories

in our main catalogue.

Lubrication-free models:

• In the case of lubrication-free tools it is up to the customer to decide on the

peripheral equipment to be used. However, it is no disadvantage if the com-

pressed air contains a small quantity of oil e.g. supplied from a fog lubrica-

tor (DIM) or Dosol system. This does not apply to turbine tools, which

should be kept oil free.

Compressed air connection

• The machine is designed for a working pressure (e) of 6–7 bar = 600–700

kPa = 87–102 psi.

• Blow out the hose before connecting.

• Recommended hose size is 16mm (5/8") .

Handling

Operating instructions

See figure in Service instructions

Maintenance

Service interval overview

The table below shows the recommended service interval for light and heavy

duty operation.

The service must only be carried out by an authorized workshop or qualified

service technician.

Service Light duty service interval Heavy duty service interval

Changing oil Every 6th month Every 3rd month

Overhaul Every year Every 6th month

Bearings and sealings Replace after 2-4 years Replace after 1-2 years

Checking and cleaning the wheel guard connection

Run the machine at free speed simultaneously pushing the locking arm up-

wards. Check that the wheel guard is properly clamped by the air pressure

(heavy force needed for turning). If air is leaking at the wheel guard, vibrations

may be increased – replace O-rings when necessary.

When it is required to clean at or under the locking arm, dismantle backing

flange and wheel guard according to figure.

Oil changing

For best service life the oil should be changed four times a year at heavy duty

applications and twice a year at light duty operation.

GTG40 S060-727 EN Safety and operating instructions

Lubricate the gear with Mereta32 oil, available to order as service kit from At-

las Copco, or with similar oil of good quality.

To avoid overfilling, which can result in a rise of temperature and cause dam-

age to the seal, no topping up of oil is recommended. The oil should be drained

and changed by refilling 20 ml of new oil. Hold the machine vertically with the

throttle handle pointing upwards while doing this. The proper amount of oil is

indicated when the oil is pouring out at the oil filling holes. Clean and refit both

oil plugs.

Do not use compressed air for cleaning when changing the oil - the gear

case must not be put under pressure.

The ball bearings are permanently lubricated or running in oil bath.

Overhaul

Once a year at light duty operation and twice a year at heavy duty operation the

machine should be dismantled for cleaning.

Clean the strainers, the motor casing cover draining slots, and the wheel guard

locking arm and its connection.

Replace bearings and sealings after 2–4 years at light duty operation and 1–2

years of heavy duty operation.

Be particularly careful with the speed governor and the overspeed shut-off

device. Careless treatment may prevent them from functioning correctly. If

the machine stops or does not reach rated speed when air is connected, the

overspeed shut-off device may have closed the inlet air. The machine must

be dismantled and checked before re-setting the overspeed shut-off device.

This service must only be carried out by authorized workshop or quali-

fied service technician.

Make sure that the governor and strainer are properly reassembled to

avoid malfunction.

Free speed check

Check free speed daily with a tachometer. Always check the free speed of

the machine after service.

This check should be carried out with the grinding equipment detached.

Free speed must not exceed the rated speed marked on the tool.

Safety and operating instructions EN GTG40 S060-727

10 © Atlas Copco Industrial Technique AB - 9836 697800 00

Useful information

Country of origin

Please refer to the information on the product label.

Warranty

Contact the Atlas Copco sales representative within your area to claim a prod-

uct. Warranty will only be approved if the product has been installed, operated

and overhauled according to the Operating Instructions.

Please also see the delivery conditions applied by the local Atlas Copco com-

pany.

ServAid

ServAid is a utility for providing updated product information concerning:

- Safety instructions

- Installation, Operation and Service instructions

- Exploded views

ServAid facilitates the ordering process of spare parts, service tools and acces-

sories for the product of your choice. It is continuously updated with informa-

tion of new and redesigned products.

You can use ServAid to present content in a specific language, provided that

translations are available, and to display information about obsolete products.

ServAid offers an advanced search functionality of our entire product range.

ServAid is available on DVD and on the web:

http://servaidweb.atlascopco.com

For further information contact your Atlas Copco sales representative or e-mail

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