HBS ARC 800 User manual

ARC 800
Power Unit
93-10-0702A
Operating Manual

ii
ii ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
ARC 800 Operating Manual, Issue 03/2008 Order No. BA 93-10-0702A
Customer Service in Germany:
HBS Bolzenschweiss-Systeme GmbH & Co. KG
Felix-Wankel-Strasse 18
85221 Dachau / Germany
Phone [phone]
Fax [phone]
E-mail post@hbs-info.com
Web www.hbs-info.com
Copyright:
The information contained herein may not be copied, reproduced, adapted,
merged, translated or used without the prior written consent of the copyright
owner.
Adaptations, errors and technical modifications reserved without prior notice.
© HBS Bolzenschweiss-Systeme GmbH & Co. KG

iii
ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 iii
Dear customer,
Thank you very much for purchasing a power unit from HBS Bolzenschweiss-
Systeme.
We from HBS wish you always successful working with this stud welding unit.
We ask you to observe the following points:
– Store the operating manual in a way that it can always be accessed by the
operator.
– Let the operator sign before starting up that he has read and completely under-
stood the operating manual.
– This operating manual applies only to this stud welding unit.
– Protect the stud welding unit from unauthorized use.
– The stud welding unit must only be operated by trained personnel.
– Let an electrician check whether the wall sockets where you want to connect the
related stud welding unit, are properly fused and grounded.
– Inform our customer service in case of malfunction.
– In case of accident, inform a physician and the responsible official body.
THREAT TO LIFE!
Persons fitted with a pace maker must not operate the stud
welding machine.
MAGNETIC FIELDS!
During stud welding, strong electro-magnetic fields are
generated. Do not weld in the vicinity of the electrical
equipment which could be affected.
Safety instructions are a delicate subject. Anybody who handles a stud welding
unit, whether it is the welding gun or the power unit, should be familiar with them,
because improper use of stud welding units can be dangerous to life.
For your own sake you should know the safety instructions for operating your HBS
stud welding units inside out.
In addition to the protection of your health and the capital value of the enterprise, the
safety instructions are intended to clarify any responsibilities, which arise from
ownership and operation of the equipment.
This chapter of the operating manual offers you clear and easy to understand information
for the safe operation of your HBS stud welding unit.

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iv ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
Your power unit may differ in some details from the captions in this manual. This has
no effect on the operation of the welding machine.
Should you have questions about this manual or in case you want to order some more
copies, please provide the order number listed in the foot line.
Important reminder:
Data and information herein were collected with greatest care. Although we did our very
best to correctly update any information up to the time of delivery, there is no guarantee
in respect of errors.
If you should detect errors or mistakes right in this manual, please contact us:
HBS Bolzenschweiss-Systeme GmbH & Co. KG
Felix-Wankel-Strasse 18
85221 Dachau / Germany
A feedback blank is provided in the appendix.

vARC 800 Order No. BA 93-10-0702A Issue 01.03.08
Table of Contents
1 General ............................................................................................. 9
1.1 Guide to this Operating Manual .................................................................. 10
1.2 Safety Symbols .......................................................................................... 11
1.3 General Safety Instructions ........................................................................ 12
1.4 Intended Use .............................................................................................. 12
1.5 Transportation, Packaging, Storage ........................................................... 13
1.6 Accompanying Documents ........................................................................ 13
1.7 Markings ..................................................................................................... 14
2 Delivery ........................................................................................... 15
3 Starting-up ..................................................................................... 16
3.1 Requirements of Workplace ...................................................................... 16
3.2 Connecting the Power Unit to the Primary Power Supply .......................... 17
3.3 Connecting the Welding Gun to the Power Unit ......................................... 18
3.4 Ground Connection .................................................................................... 19
3.5 Shielding Gas Connection .......................................................................... 20
3.6 Change Working Place .............................................................................. 20
4 Function ......................................................................................... 21
4.1 Components of the Power Unit .................................................................. 21
4.1.1 Power Unit ............................................................................................................. 21
4.1.2 Control Unit ............................................................................................................ 21
4.2 Keyboard and Display ................................................................................ 22
5 Stud Welding Procedure ............................................................... 23
5.1 Safety Instructions ...................................................................................... 23
5.2 Functional Principle of Stud Welding .......................................................... 26
5.2.1 Drawn-Arc stud Welding with Ceramic Ferrule ........................................................ 28
5.2.2 Drawn-Arc Stud Welding with Shielding Gas .......................................................... 28
5.2.3 Short-Cycle Drawn-Arc Stud Welding with Shielding Gas ....................................... 29
5.2.4 Drawn-Arc Capacitor-Discharge Stud Welding ........................................................ 30
5.3 Welding Preparation ................................................................................... 30
5.4 High-strength Welds ................................................................................... 30
5.5 Determination of Welding Parameters ....................................................... 30

vi ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
5.6 Switching on the Power Unit ...................................................................... 32
5.6.1 Adjusting the Welding Time ................................................................................... 33
5.6.2 Adjusting the Gas Pre-Flow Time ........................................................................... 33
5.7 Welding Procedure .................................................................................... 33
5.8 Checking the Quality of the Weld ............................................................... 34
5.8.1 Visual Inspection ................................................................................................... 35
5.8.2 Bending Test .......................................................................................................... 35
5.8.3 Arc Blow Effect ...................................................................................................... 37
5.9 Malfunctions and Corrective Actions .......................................................... 38
5.10 Welding Elements ...................................................................................... 39
6 Switching off the Power Unit ........................................................ 42
6.1 Temporary Switching off ............................................................................. 42
6.2 Disposal ..................................................................................................... 42
7 Care and Maintenance .................................................................. 43
7.1 Safety Instructions ...................................................................................... 43
7.2 Regular Maintenance Operations ............................................................... 43
7.3 Tools to be Used ......................................................................................... 43
7.4 Open the Power Unit .................................................................................. 44
8 Appendix ........................................................................................ 45
8.1 Technical Data............................................................................................ 45
8.2 Spare Parts ................................................................................................ 46
8.3 Electrical Circuit Diagram .......................................................................... 62
8.4 Environmentally Admissible Disposal ......................................................... 63

viiARC 800 Order No. BA 93-10-0702A Issue 01.03.08
Glossary ......................................................................................... 64
Regulations and Standards .......................................................... 65
Further Instructions ....................................................................... 67
Guarantee Clauses ........................................................................ 68
EU-Statement of Conformity ......................................................... 69
Confirmation .................................................................................. 70
Feedback ........................................................................................ 71
Service & Support ......................................................................... 72
Index ............................................................................................... 73

viii ARC 800 Order No. BA 93-10-0702A Issue 01.03.08

ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 9
1 General
Persons addressed by this operating manual
Thisoperatingmanualiswrittenforoperators,personneloftheenduser,andauthorized
servicetechnicians.Itprovidesyouwithallnecessaryinformationtooperatethepower
unit.
Required user qualification
The power unit must only be operated by qualied personnel .
Let the power unit only be operated by persons who
– arequaliedthroughasuitabletraining accordingto thecurrent standards(see
appendix),
–areproperlyinstructed,
– are physically and intellectually suitable,
– can be expected to reliably fulll the requested job.
What else must the owner observe?
Make sure that this operating manual is always in reach of the stud welding unit.
Readtheentiremanual before operating the power unit.
Strictly observe the safety instructions.
Before starting up the power unit, let the operator sign the conrmation that he/
she has read and fully understood the operating manual (see appendix).
Do not commence stud welding until you have understood all operating
processes.
Contact us if there are any doubts on certain operating procedures.
Protect the power unit against unauthorized use.
Inform our service in case of malfunction.
Basedonthisoperatingmanual,acompanyspecicworkorder,aswellasacompany
specicmaintenanceinstruction must be drawn up. Thecompanyspecicwork order
must consider the special user conditions in your company.
Makesurethatoperatorsofthewelderareprovidedwithandwearpersonalprotective
equipment, e.g. protective goggles, gloves, shoes, ear protection etc.
Owners and operators make sure that the power unit is only used as directed.
During any activity such as transportation, set-up, (re-)assembly, production,
maintenanceetc.observe the information given in thisoperatingmanual.

10 ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
1.1 Guide to this Operating Manual
Thisoperatingmanualprovidesyouwiththefollowinginformation
"Delivery" in Chapter 2
"Starting-up" in Chapter 3
"FunctionalPrinciple" in Chapter 4
"Stud Welding Process" in Chapter 5
"Switching o the Power Unit" in Chapter 6
"CareandMaintenance" in Chapter 7
Technical Data and much more in Appendix
THREAT TO LIFE and risk of serious health and material damage in
case of improper use of the power unit. Observe all notes in this
operating manual.
Note for qualified operators (see chapter 1).
All instructions contained in this manual must also be observed
by qualified operators.
The welding process and the sequence of procedures to carry
out a weld are described in chapter 5.

ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 11
1.2 Safety Symbols
Symbols and markings used in this operating manual mean:
Threat to life or risk of personal injury
Risk of material damage
Ban for persons fitted with a pace maker
Warning of dangerous electrical voltage
Warning of electromagnetic fields
Wear protective clothes
Wear protective goggles
Wear ear protection
Additional tips for operation and service safety
Prompt
–List

12 ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
1.3 General Safety Instructions
Improper operation of the power unit is LIFE-THREATENING!
Threat to life
– by electric shock and arc
– by toxic vapors and airborne particles
– by red-hot metal spatters (fire risk)
– by blow-up of explosive gases and materials
– by strong magnetic fields for persons fitted with a pace maker
In addition, through improper use damage to the stud welding unit
and to material can be caused. For details, see chapters 1, 3 and 5.
1.4 Intended Use
Warning: Unauthorized interference with the stud welding unit
as well as unauthorized alteration of the stud welding unit are
prohibited and result in complete cancellation of any guarantee
and liability claims against HBS.
Operation of the power unit is only allowed with HBS welding
guns, this clause is also part of ”use as directed”.
Thepowerunitisintendedtoweldweldingelementsaccordingtoactualstandards(see
chapter 5 and appendix). Any other use is regarded as not used as directed. The
manufacturerisnotliablefordamagesresultingfromthestudweldingunitnotusedas
directed. Any risk is carried by the user.
The power unit is designed according to specic standards and accident prevention
regulations. Basics are European Union guidelines and in Germany valid standards.
Please note that in your country additional standards and safety conditions (especially
rules for accident prevention) may differ from the standards mentioned in this operating
manual.Thepowerunitwasmanufacturedtothelatestdevelopmentsintechnologyand
is regarded as safe to operate (place of operation see section 8.1).
TheweldinggunsA12,A16,AI06andCA08canbeconnectedtotheHBSpowerunit
ARC 800. For details please contact the HBS customer service (address see page ii).
Check in any case the operating manual of the HBS welding gun whether this
power unit can be used.
Observing the operating manual of the used welding gun is also part of the ”use as
directed”.

ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 13
1.5 Transportation, Packaging, Storage
HBS delivers products in a specic transport package.
Save the undamaged packing. Ship and transport the device only in its original
packing.
Rightbefore delivery, the powerunitis once againcheckedfor proper functioning and
acontrolmarkisattached.Whenreceivingthedelivery,checkeverythingfordamages
and completeness. If damages occurred during transportation or components are
missing, inform the manufacturer or the haulier immediately (see page ii).
Proper functioning of the power unit can only be checked before starting-up by visual
inspection(visibledamage).
The following items are to be observed if the power unit is not to be put into operation
immediatelyafterdelivery.
– The power unit must be stored in a secure place
– The power unit must be protected against humidity, dust, metallic dirt.
– Storagetemperature: -5 °C to +50 °C
– Relativehumidity: 0% to 50% at +40 °C
0% to 90% at +20 °C
If you resell the power unit, please provide us with the name and postal address
of the new owner so that we can advise them of any changes to the operating
manual.
1.6 Accompanying Documents
In addition to this operating manual, you must observe the operating manual of the
welding gun as well as applicable accident prevention and safety instructions.

14 ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
1.7 Markings
There are various markings and safety symbols attached to your power unit
(see section 8.1).
Make sure that all markings remain clearly visible.
Type plate
The type plate contains the following data:
Manufacturer
Type
OrderNo./SerialNo.
Primaryvoltage
Fuse
Powerconsumption
Cooling class
Protection class
Date
Safety symbols
Replace illegible or damaged markings
Before opening machine disconnect mains
Observe operating manual
Warning of dangerous electrical voltage
Secure the following safety symbols in the area of welding place:

ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 15
2 Delivery
The basic equipment of your power unit contains the following components:
No. of pieces Part Type Order No.
1Powerunit ARC800 93-10-0702A
1Operatingmanual ARC800 BA93-10-0702A

16 ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
3 Starting-up
Inthischapteryoulearnwhattoobserveduringsetting-upandstarting-upofthepower
unit.
3.1 Requirements of Workplace
Vapors and airborne particles may occur during stud welding
operations. Especially with surface treated materials, toxic
vapors may be produced.
Ensure that a fume extraction is available and that the room is adequately
ventilatedaccordingtoaccidentpreventionregulations.
If possible, do not weld in rooms which are lower than 3 meters.
Specialregulationsapply for conned rooms, according toaccidentprevention
regulationsofthe ocial bodies (see appendix).
Weld only in adequate distance from combustible articles or liquids.
Before you start welding, remove any combustible articles or liquids in vicinity of
theworkplace.
Make sure that a re extinguisher is within reach.
Never weld in rooms exposed to risk of explosion.
Do not set-up the product in the vicinity of any apparatus or equipment which is
sensitive to welding spatters.
Do not set-up the product in the vicinity of any apparatus or equipment which is
sensitive to magnetic elds.
Set-up the power unit:
– on a stable, clean, and level surface
– so that no-one is inuenced or injured by welding spatters
– so that all cables and primary lines are protected from being damaged
– so that nobody will trip or fall over the cables or connection lines.
Ensure that air is able to circulate freely through the housing.
If heat is built-up inside the housing caused by bad air circulati-
on, the stud welding unit will be seriously damaged.

ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 17
Secure the following safety symbols in the area of welding place:
THREAT TO LIFE to persons fitted with a pace maker
Strong electro-magnetic fields occur in the vicinity of the stud welding
unit during welding. Such fields may affect the proper function of a
pace maker. Thus persons equipped with a pace maker must not
operate the stud welding unit and must not stay in its vicinity during
welding.
During the actual welding process, you must expect red-hot welding
spatters, possibly liquid spatters, a flash, and a loud bang > 90 dB (A).
Alert any colleagues who are occupied in the vicinity of the welder.
Wear your personal protective equipment according to actual
standards (see appendix).
3.2 Connecting the Power Unit to the Primary Power Supply
Comparetheprimary voltage specied on thetypeplate with the voltage provided
by your primary power supply. The type plate is located on the backside of the
powerunit.
Never connect the welder to a power supply with a voltage
different from the voltage indicated on the type plate.
Check the current consumption specied on the type plate with the fuse rating of
your primary power supply.
Have an electrician check whether the outlet to which you want to connect the
power unit is correctly grounded.
Switch o the power unit.
Insert the primary plug into the checked outlet.

18 ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
3.3 Connecting the Welding Gun to the Power Unit
Switch off the power unit. In this way, you avoid any risk of
electrical shock.
Plug the welding cable of the welding gun into the socket of the power unit.
Press-in the plug and twist rmly clockwise.
The connection is not secured against working itself loose!
Check the plug connections regularly to ensure that they are
properly locked. In case of loose connection, heat may build up
in the plug and may destroy the entire plug connection.
Plug the control cable in the connector of the power unit.
Twist the retaining nut of the control cable connector clockwise to secure the
connection.
The welding gun cables must not be coiled during welding.
Coiled cables work as a coil and may negatively affect the
welding result. Before welding, lay out the cables lengthwise.
Fix the cables. Strong magnetic elds occur during welding which may cause a
movement of the cables. This may cause a slackness of the connections.

ARC 800 Order No. BA 93-10-0702A Issue 01.03.08 19
3.4 Ground Connection
Plug the ground cable in the connector of the power unit.
Press in the plug and twist rmly clockwise.
The connection is not secured against working itself loose!
Check the plug connections regularly to ensure that they are
properly locked. In case of loose connection, heat may build up
in the plug and may destroy the entire plug connection.
Remove any rust, paint, or contaminants from the workpiece in the areas where
you intend to connect the ground cables.
Connect the ground clamps to the workpiece as securely as possible.
Take care to ensure good contact and symmetrical connection.
The welding location must lie directly between the two ground
clamps.

20 ARC 800 Order No. BA 93-10-0702A Issue 01.03.08
3.5 Shielding Gas Connection
Observe the standards (see appendix) when handling the
shielding gas bottles.
Connect the shielding gas bottle as follows:
Connect the gas hose of the shielding gas bottle to the gas inlet of the power
unit.
Connect the gas hose of the welding gun to the gas outlet.
Set the ow meter of the shielding gas bottle to 8 - 16 liters/min.
Minimum flow rate for stud welding with shielded gas is 8 l/min.
Agasmixtureof82%Argon(Ar)and18%carbondioxide(CO 2)ismainlyusedforstud
welding.
3.6 Change Working Place
Switch off the power unit. In this way, you avoid any risk of
electrical shock.
When you move your workplace, disconnect the welding gun and the ground
cables from the power unit. Proceed in reversed sequence as described in
sections 3.2, 3.3, 3.4 and 3.5.
After changing the workplace, check the welding gun and the ground cables for
possible damage or missing components.