Atlas Copco RRD37 Foglio di istruzioni

RRD37/57

Printed Matter No. 9836 9778 00 Chipping Hammer

2010-08-01 Product Instructions

RRD 37-11 8425 1101 22

RRD 37-12 8425 1101 30

RRD 57-11 8425 1103 20

RRD 57-12 8425 1103 38

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 - 9836977800

Table of Contents

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

FR Instructions sur le produit .............................................................. 13

DE Produktanweisungen...................................................................... 24

ES Instrucciones del producto ............................................................ 35

PT Instruções do produto .................................................................... 46

IT Istruzioni sul prodotto..................................................................... 57

NL Productinstructies ........................................................................... 68

DA Produktanvisninger......................................................................... 79

NO Produktanvisninger......................................................................... 89

FI Tuoteohjeet...................................................................................... 99

SV Produktanvisningar....................................................................... 109

RRD37/57 EN Safety and operating instructions

Safety and operating instructions

Safety instructions

Important information for safer use of percussive tools

This manual follows the EC Machines Directive (2006/42/EC) regarding opera-

tor's instructions and relevant parts of standards from CEN TC 255 "Hand-held

power driven non-electric tools - Safety" These instructions concern operation,

handling of machine, inserted tool and equipments as well as maintenance.

Neglect to follow these long established recommendations may cause serious

hazards.

Make sure that the operator has fully understood the following recommenda-

tions and has full access to them.

pay strict attention to following measures the operator has to take in order to

avoid risks of misuse or accident

Installation

Follow the instructions for air preparation given in the written instructions sup-

plied with the machine.

When lubrication is recommended - use recommended lubricants only.

Check hose size and air pressure.

Avoid the risk of whipping hose - regularly check hose, hose fittings and condi-

tion of clamps.

Check that the exhaust air is directed to avoid blowing dust or air from the work

piece onto the operator or other persons. Arrange for barriers if possible.

When necessary, use exhaust hose and arrange for dust collection.

Avoid accidents when using the machine

1 The chisel, die or punch may fall out or may be shot out of the

tool accidentally causing serious injury

To prevent injury from a flying chisel:

• always use a retainer

• inspect the retainer for wear or damage regularly

Safety and operating instructions EN RRD37/57

4© Atlas Copco Industrial Technique AB - 9836 977800 00

and:

• be aware that the chisel may break during operation due to fatigue

• never trigger the machine unless held against a work piece

• remove chisel, die or punch from machine when work is over

• before changing accessories, chisel or die - disconnect the machine from the

air supply

• release the start and stop device in case of interruption of energy supply

• when finishing a job, disconnect the machine from its air supply

2 Chips and sparks shall be prevented from striking an eye or

another worker

To prevent vision loss:

• always wear eye protection

• isolate work of this kind by using barriers between work stations

• do not use the machine for other purposes than it is intended for

3 Prevent body injury by using:

• gloves

• protective shoes

• helmet

• always wear eye protection

4 Explosive atmosphere must not be ignited

To prevent injury and property loss from fires:

• use other technique

• use accessories of non sparking material (e.g. needle attachment of Beryl-

lium copper for a needle scaler)

5 Electric chock may be fatal

• avoid chiselling into electric wiring hidden inside walls etc.

RRD37/57 EN Safety and operating instructions

Long term risks when using the machine

6 Always use ear protection

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

• wear ear protection

7 Vibration may be harmful to hands and arms

• use vibration dampened tools if available

• reduce the total time of exposure to vibrations, particularly if the operator

has to guide the chisel by hand

8 Dust generated during operation may be harmful

• use spot suction or a breathing apparatus

Proper use and maintenance

9 Do not perform idle blows with a hammer

• they will cause high internal stresses and shorten the life of the tool

• note the risk of shooting out the chisel, die or punch if the retainer is not in

order

10 Quick coupling

• if a quick coupling is used on a percussive tool, it shall be separated from

the tool by a whip hose (length 0.5 m)

11 Maintenance

Good service life and safe function is offered if the instructions for lubrication,

maintenance and overhaul supplied with the machine are followed.

Use genuine Atlas Copco replacement kits and parts only.

Safety and operating instructions EN RRD37/57

6© Atlas Copco Industrial Technique AB - 9836 977800 00

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:

General chipping and scaling work, fettling of castings in foundries, hole mak-

ing and light demolition in construction and building industry (not for nailing

without proper attachments).

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.

This machine does not satisfy the normal requirements for use in an explo-

sive environment as the machine casing contains aluminium.

General information

EC DECLARATION OF CONFORMITY

We, Atlas Copco Industrial Technique AB, S-105 23 STOCKHOLM, SWE-

DEN declare that the product (with name, type and serial number, see front

page) is in conformity with the following Directive(s):

2006/42/EC

Harmonised standards applied:

ISO 11148-4

Technical file available from:

Quality Manager, Atlas Copco Industrial Technique, Stockholm, Sweden

Stockholm, 1 July 2013

Tobias Hahn, Managing Director

Signature of issuer

Installation

Installation of vibrating tools

It is recommended that a minimum length of 300 mm of flexible hose for com-

pressed air is inserted between a vibrating tool and the quick-action coupling.

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.

RRD37/57 EN Safety and operating instructions

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 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)

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

L* 0.2 = D

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.

•Note – This does not apply to turbine tools, which should be kept oil free.

Compressed air connection

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

87–102 psi.

• Blow out the hose before connecting.

Installation proposal

Choosing the correct couplings, hose and clamps can be a troublesome digging

into details. To save your time and to ensure correct capacity of the airline in-

stallation, from the tapping point to the tool, we offer you an installation pro-

posal.

For more information please read, Atlas Copco Industrial Power Tools cata-

logue Ordering No. 9837 3000 01.

Safety and operating instructions EN RRD37/57

8© Atlas Copco Industrial Technique AB - 9836 977800 00

Handling

Fitting the chisel

Insert the chisel so that chisel retainer (33) snaps into the chisel groove.Check

that the chisel retainer spring is tensioned.

Removing the chisel

Lift the rear end of the chisel retainer (33) and pull the chisel out.

Using the hand guard

The hand guard (41) supplied as an accessory for vibrationdamping has a snap

lock for attachment to the front housing (30).

If it is necessary to guide long chisels near the chisel blade, detach the collet

from the machine with a light jerk and move it down over the chisel.

Attach the collet to the machine before changing chisels.

Avoid holding the chisel directly.

Vibration damping

Vibration damping is accomplished by means of two air springs, one in the im-

pact mechanism between the piston (23) and thecylinder (22) and one behind

the chisel collet ring (28). This latter spring dampens the shock wave reflex

from the chisel. The necessary feed force is determined by the air pressure to

the machine. When the throttle valve is pressed only part of the way in, a lower

speed force is thus required.

For complete vibration damping between the machine housing (2) and the im-

pact mechanism: Use sufficient feed force so that the chisel collet ring (28) is

pressed up a few millimeters from the buffer (29), i.e. the chisel is pressed in a

corresponing amount into the front housing.

If the feed force is too high, the chisel collet ring (28) will butt against the

cylinder (22), whereupon vibrations increase noticeably and the impact effect is

reduced.

Idling

When idling, the machine output is appreciably reduced in that automatic vent-

ing occurs via the collet (25). The idling strokes are absorbed by an elastic buf-

fer (29). When switching from work to idling, a few individual hard idling

strokes may be absorbed via the buffer.

Avoid unnecessary idling

When the buffer (29) is worn, the chipping hammer may stop while operating

and/or be difficult to start. If this occurs, replace the buffer immediately in or-

der to prevent harmful blows directly on the front housing (31).

Maintenance

Overhaul

If the chipping hammer is in daily use, it should be cleaned and overhauled

once every sixth month.

Removal of front housing with chisel retainer and buffer:

RRD37/57 EN Safety and operating instructions

1. Disconnect the machine from the compressed air mains.

2. Back off the screw (32) using key (52).

3. Screw the threaded end of key (52) into the hole “A” so that the front hous-

ing (31) is pried apart and can be removed from the machine casing (2).

4. Remove the buffer (29) with the aid of a screwdriver.

5. Fit a new buffer, making sure that the locking edge snaps into the groove in

the front housing.

6. Before fitting the front housing, check that the chisel collet ring (28) is fitted

with the cone facing towards the sealing ring (27).

7. Push the front housing onto the machine housing as far as it will go.

8. Back off and remove the key (52). Fit the screw (32) andn tighten with a

torque of 40 Nm (4 kpm).

Lubrication

During work, oil must be supplied to the chipping hammer once per shift in an

amount of 2.5 ml. The oil is dripped into the air hose. When the machine is in

continuous service, installation of an Atlas Copco oil—fog lubricator in the

compressed air line is recommended.

Always use lubricants of good quality. The oils and greases mentioned in the

chart are examples of lubricants which are recommended.

Grease guide

Brand Grease Air lubrication

BP Energrease LS-EP2 Energol E46

Esso Beacon EP2 Arox EP46

Q8 Rembrandt EP2 Chopin 46

Mobil Mobilegrease XHP 222 Almo Oil 525

Shell Alvania EP2 Torcula 32

Texaco Multifak EP2 Aries 32

Molycote BR2 Plus

Useful information

You can find information concerning our products, accessories, spare parts and

published matters on our website.

Ergonomic guidelines

Consider your workstation as you read through this list of general ergonomic

guidelines and see if you can identify areas for improvement in posture, compo-

nent placement, or work environment.

• Take frequent breaks and change work positions frequently.

• Adapt the workstation area to your needs and the work task.

• Adjust for convenient reach range by determining where parts or tools

should be located to avoid static load.

Safety and operating instructions EN RRD37/57

10 © Atlas Copco Industrial Technique AB - 9836 977800 00

• Use workstation equipment such as tables and chairs appropriate for the

work task.

• Avoid work positions above shoulder level or with static holding during as-

sembly operations.

• When working above shoulder level, reduce the load on the static mus-

cles by reducing the weight of the tool, using for example torque arms,

hose reels or weight balancers. You can also reduce the load on the static

muscles by holding the tool close to the body.

• Make sure to take frequent breaks.

• Avoid extreme arm or wrist postures, particularly for operations requir-

ing a degree of force.

• Adjust for convenient field of vision by minimizing movement of the eyes

and head during the work task.

• Use the appropriate lighting for the work task.

• Select the appropriate tool for the work task.

• Use ear protection equipment in noisy environments.

• Use high-quality inserted tools or consumables to minimize exposure to ex-

cessive levels of vibration.

• Minimize exposure to reaction forces.

• When cutting:

A cut-off wheel can get stuck if the wheel is either bent or if it is not

guided properly. Make sure to use the correct flanges for cut-off wheels

and avoid bending the wheel during cut-off operation.

• When drilling:

The drill might stall when the drill bit breaks through. Makes sure you

use support handles if the stall torque is too high. The safety standard

ISO11148 part 3 recommends using something to absorb the reaction

torque above 10 Nm for pistol grip tools and 4 Nm for straight tools.

• When using direct-driven screw or nutrunners:

Reaction forces depend on tool setting and joint characteristics. The abil-

ity to bear reaction forces depends on the operator’s strength and pos-

ture. Adapt the torque setting to the operator's strength and posture and

use a torque arm or reaction bar if the torque is too high.

• Use dust extraction system or mouth protection mask in dusty environments.

Country of origin

Please refer to the information on the product label.

Spare parts

Parts without ordering number are not delivered separately for technical rea-

sons.

The use of other than genuine Atlas Copco replacement parts may result in de-

creased tool performance and increased maintenance and may, at the company

option, invalidate all warranties.

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