Becker VT 3.6 Betriebsanleitung

1 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

TRANSLATION OF THE OPERATING INSTRUCTIONS

VT 3.6

VT 4.2/4/8

VX 3.6

ROTARY VANE-

VACUUM PUMP

dry-running

MAKE IT BECKER.

2 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

Important notes for the user of the operating instructions

We reserve the right to make technical changes and additions to the operating instructions.

No liability is accepted for the content, in particular for damage caused by existing, non-existing or incorrect

information.

Passing on this operating manual is not permitted unless expressly authorised.

Operating instructions valid for:

General designation

Rotary vane-Vakuumpumpe, hereinafter described as "pump".

Product type

dry-running

Model

VT 4.2, VT 4.4, VT 4.8, VT 3.6 and VX 3.6

Manufacturer

Gebr. Becker GmbH

Hölker Feld 29-31

42279 Wuppertal

CONTENT

1TO THE OPERATING INSTRUCTIONS 4

1.1 GENERAL 4

1.2 STRUCTURE OF THE SAFETY INSTRUCTIONS 4

1.3 SAFETY SYMBOLS 4

1.4 ADDITIONAL DOCUMENTATION 5

1.5 WARRANTY AND LIABILITY 5

1.6 MODIFICATIONS AND CONVERSIONS 5

2BASIC SAFETY INSTRUCTIONS 6

2.1 PROVISION 6

2.2 OBLIGATIONS OF THE OPERATOR 6

2.3 OBLIGATIONS OF THE STAFF 6

2.4 STAFF QUALIFICATION 7

2.5 INTENDED USE 7

2.6 INADMISSIBLE USE 7

2.7 PROTECTIVE MEASURES FOR USERS 7

2.8 INFORMATION ON RESIDUAL RISKS 8

2.9 SAFETY INSTRUCTIONS 8

2.10 BEHAVIOUR IN CASE OF DANGER AND ACCIDENTS 9

2.11 REQUIREMENT FOR STABILITY 9

2.12 OCCUPATIONAL SAFETY AND HEALTH 10

2.13 AIRBORNE SOUND EMISSIONS 10

2.14 ERGONOMICS 10

3OPERATING CONDITIONS 11

4PUMP DESCRIPTION 12

4.1 GENERAL DESCRIPTION OF THE PUMP 12

4.2 SIZES 12

4.3 VARIANTS 12

4.4 COMPONENT ILLUSTRATION 14

4.5 MOTORS 16

4.6 SAFETY AND PROTECTIVE DEVICES 16

4.7 TESTING THE SAFETY AND PROTECTIVE DEVICES 16

5TRANSPORT 17

| VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6 
6INSTALLATION AND COMMISSIONING 18 
1 GENERAL REQUIREMENTS 18 
2 PREPARATORY ACTIVITIES 19 
2.1 CONNECTING THE MEDIA LINE 19 
2.2 ADJUST VALVE 19 
3 ELECTRICAL INSTALLATION 19 
3.1 ELECTRICAL CONNECTION (VT 3.6, VX 3.6 AND VT 4.2-4.8 STANDARD) 21 
3.2 ELECTRICAL CONNECTION (VT 4.4-4.8 DC) 21 
4 SWITCH ON PUMP 22 
5 NORMAL OPERATION 22 
6 SWITCH OFF PUMP 22 
7 RECOMMISSIONING 22 
7TROUBLESHOOTING / TROUBLESHOOTING 24 
1 FAULT TABLES 24 
8MAINTENANCE, SERVICING AND DISMANTLING 27 
1 MAINTENANCE AND SERVICING 27 
2 PREPARATION 27 
3 MAINTENANCE INTERVALS 28 
4 MAINTENANCE ACTIVITIES 29 
5 MEDIA LINES 30 
6 CONDITIONS FOR RECONNECTION 30 
7 SPARE AND WEAR PARTS 31 
8 TEMPORARY DECOMMISSIONING 31 
9 CLEANING 31 
10 DISMANTLING AND DECOMMISSIONING 31 
11 STORAGE 32 
12 DISPOSAL 32 
9PRODUCT DATA SHEET 33 
1 PRODUCT OVERVIEW 33 
2 OPERATING PARAMETERS 33 
3 TECHNICAL DATA 34 
 

4 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

1TO THE OPERATING INSTRUCTIONS

1.1 GENERAL

These operating instructions are an essential part of the pump and contain the necessary information and important

notes to operate the pump safely and properly. Observance of these instructions will help:

•Avoiding dangers,

•Reduce repair costs and downtime, as well as

•increase the reliability and service life of the product.

It is the responsibility of the operator to ensure the availability of this document. This applies in particular in the event

of loss of the document.

All persons who carry out activities on the pump must have read and understood the operating manual and these

operating instructions.

NOTE

Pay special attention to the chapter 2.

1.2 STRUCTURE OF THE SAFETY INSTRUCTIONS

Safety instructions are identified by a pictogram and a signal word. The following signal words are used to indicate

dangers, prohibitions and important information:

DANGER

This signal word indicates an imminent danger that will result in serious injury or even death.

WARNING

This signal word indicates a possibly imminent danger that can result in serious injuries or even death.

CAUTION

This signal word indicates a possible imminent danger that may result in minor or severe injuries.

ATTENTION

This signal word indicates a possible imminent danger that may result in damage to property.

NOTE

This symbol indicates tips, recommendations and further information.

1.3 SAFETY SYMBOLS

The following symbols are used in these operating instructions.

Warning sign:

General warning sign

Fire hazard

Risk of tripping

Warning against hand injuries

Warning against automatic start-up

Warning of electrical voltage

Warning against hot surfaces

Commandment sign:

Attention

Use foot protection

Use hearing protection

5 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

Use hand protection

Note:

General information

1.4 ADDITIONAL DOCUMENTATION

In addition to these operating instructions, the following documents and notes must be observed:

•Safety symbols according to chapter 1.3 on the pump as well as on hazardous material containers

•Regulations on accident prevention, occupational safety and environmental protection

•Operating instructions and documentation for components, assemblies and aids provided by third-party

manufacturers

•Spare parts lists

•Data sheets

1.5 WARRANTY AND LIABILITY

Warranty and liability claims in the event of personal injury or damage to property are invalid in the event of

•Failure to observe the instructions for transport and assembly;

•improper use (misuse) or improper operation;

•Failure to observe the operating instructions and the instructions contained therein;

•improper or non-executed maintenance and servicing work;

•faulty installation, commissioning, maintenance, servicing and cleaning;

•Use of incorrect operating materials, lubricants or spare parts;

•defective, incorrectly installed or dismantled protective devices;

•inadequate monitoring of components subject to wear;

•Use of externally procured equipment that has not been approved by the manufacturer;

•improper disassembly;

1.6 MODIFICATIONS AND CONVERSIONS

Modifications or conversions are prohibited without the written consent of the manufacturer and are therefore

excluded.

NOTE

Description of the safety instructions in chapter 2.9

6 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

2BASIC SAFETY INSTRUCTIONS

These operating instructions serve as a basis for the safe use and operation of the pump. The operating instructions,

in particular the safety instructions and the rules and regulations applicable to the place of use, must be observed by

all persons working on or with the pump.

Furthermore, the generally applicable legal and other rules and regulations for accident prevention (e.g. personal

protective equipment) and environmental protection for the place of work must be followed.

NOTE

Some activities on the vacuum pump require compliance with special safety regulations. These safety

instructions can be found in the respective chapters of these operating instructions.

NOTE

The operating instructions must always be kept at the place of use and be freely accessible to all persons

with tasks on the vacuum pump.

The instructions of the occupational safety specialist and the instructions for action from the briefings must

be followed without fail.

The pump is only intended for the intended use described in the chapter 2.5.

Use of the pump outside of its intended use is prohibited.

All work on the pump may only be carried out by qualified and trained personnel (see chapter 2.4).

For all activities on the pump, the safety instructions given in chapter 2.9 must be observed.

2.1 PROVISION

The pump is a machine in the sense of the Machinery Directive 2006/42/EC Art 2a. The pump conforms to the health

and safety requirements of the Machinery Directive 2006/42/EC.

The pump may only be used after the operator has determined that the use of the pump is installed according to the

state of the art.

This is fulfilled if, among other things, the operating conditions listed in these operating instructions have been fully

implemented in accordance with Directive 2006/42/EC Annex 1 Para. 1.7.4.2.i.

2.2 OBLIGATIONS OF THE OPERATOR

The operator undertakes to only allow persons to work on the pump who are

•are familiar with the basic regulations of occupational safety and accident prevention;

•were instructed for the activities at the pump;

•have read and understood these operating instructions before carrying out any work on the pump;

•have reached the legal minimum age;

•are fit for health;

•are rested and not under the influence of drugs or medication;

•reliably perform the assigned work.

In addition, the operator must train the staff at regular intervals and inform them about the dangers.

The personnel of the operating company must be permanently committed to safe working practices and informed

about the dangers and risks of the pump. This applies in particular to the safety instructions.

The operator must provide the personnel with the necessary protective equipment.

2.3 OBLIGATIONS OF THE STAFF

All persons entrusted with work on the pump undertake, before starting work, to

•observe the basic regulations on occupational safety and accident prevention and

•to read and observe these operating instructions

NOTE

Only persons who have read and understood these operating instructions may carry out activities on and

with the pump!

7 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

2.4 STAFF QUALIFICATION

Certain activities require a specific qualification to be demonstrated by the personnel carrying them out. The

following table summarises these qualifications:

Activity

People

Instructed persons with specialist

training

Instructed operating personnel

Commissioning

Operation

Maintenance & Servicing

Disassembly

Symbol "x" approved personnel

Table 2.4: Staff qualification

2.5 INTENDED USE

The operational safety of the pump is only guaranteed if it is used as intended. Intended use also includes observing

these operating instructions for this product and any components, as well as carrying out all maintenance and service

work.

The pump may only be used as intended in accordance with the machine description and the technical data.

The intended use is summarised below:

•The pump evacuates air to a vacuum according to chapter 9.2

•The transport of any other gases, in particular hazardous substances, is not permitted and prohibited.

•The permissible technical parameters must be observed.

•The pump must not be operated in potentially explosive atmospheres.

•The pump must be protected from the weather.

•For any operation outside the technical parameters specified in the product data sheet, the manufacturer must

be consulted.

ATTENTION

Only use the pump for its intended purpose and only use it if it is in perfect working order! This is the only

way to ensure the operational safety of the pump!

2.6 INADMISSIBLE USE

•evacuating hazardous materials, especially flammable, explosive or toxic gases

•use in potentially explosive atmospheres (explosive gas/vapour/mist/air mixtures or dust/air mixtures or hybrid

mixtures of air and flammable substances).

•the use of the pump in non-commercial applications

•the operation of the pump in an incompletely assembled state

2.7 PROTECTIVE MEASURES FOR USERS

When working on the pump, personal protective equipment must be worn to minimise health hazards.

The necessary protective equipment for the respective work must be worn at all times during work.

Personal protective equipment instructions posted in the work area must be followed.

WARNING

Risk of injury to hands due to crushing, cutting and high temperatures

During all work on the pump, hand protection must be worn in accordance with the glove schedule.

WARNING

Risk of injury to feet from crushing and falling objects

Foot protection must be worn during all activities at the pump.

8 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

WARNING

Hearing damage due to high volume

Hearing protection must be worn during activities that must be carried out while the pump is running.

Hand protection must be provided by the operator and must be suitable for the activities to be carried out and

comply with the applicable standards (e.g. EN 388:2019-03).

Foot protection must be provided by the operator and must be suitable for the activities to be performed and comply

with the applicable standards (e.g. DIN EN ISO 20345:2020-06).

Hearing protection must be provided by the operator and must be suitable for the noise levels generated and comply

with the applicable standards (e.g. DIN EN 3527:2003-04).

2.8 INFORMATION ON RESIDUAL RISKS

The pump is built according to the current state of the art and the recognised safety regulations. When using the

pump, health hazards for persons directly working with the pump and third parties cannot be excluded.

2.9 SAFETY INSTRUCTIONS

The hazards and risks in the respective phases of the pump's life are described below. The following hazard warnings

must be observed.

DANGER

Danger to life due to electric shock / Personnel qualification

Work and tasks on the electrical system may only be carried out by qualified electricians who can prove that

they have successfully completed a recognised training course in the relevant specialist field and have been

instructed in the technical features of the pump.

The performance of electrical work, including the simplest auxiliary activities, is prohibited without exception

for persons who do not fulfil the above conditions.

To perform tasks and activities on the pump's electrical system, work must be carried out in accordance

with the five safety rules according to DIN VDE 0105.

DANGER

Danger to life due to electric shock / Measures in case of damage to the electrical installation

Damage to the electrical installation and contact with live parts can be life-threatening.

The following measures are therefore mandatory:

•In the event of damage to the electrical installation, switch off the pump immediately and notify the

responsible office.

•A repair by a qualified electrician must be arranged.

DANGER

Danger to life due to unexpected start-up / countermeasures

The following steps are mandatory when preparing for maintenance and servicing activities:

1. Switch off the pump and all attached assemblies.

2. Disconnect the pump from the supply voltage and proceed according to the five safety rules

(VDE105).

3. Disconnect the pump from the air supply.

DANGER

Fire and danger to life due to insufficient distances to neighbouring parts

If the pump is enclosed, minimum distances from the product must be maintained to prevent potential fires.

Information on minimum distances can be found in the chapter 6.

DANGER

Danger to life due to arcing and creepage path formation when disconnecting plug connections

Always switch off the power supply before disconnecting any plug-in connections.

9 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

DANGER

Danger to life due to defective, dismantled and manipulated protective devices

The pump may only be operated if all safety and protective devices are fully present and functional!

Faulty safety and protective devices can lead to dangerous situations!

For this reason:

1. Switch off the pump immediately,

2. secure against restarting and

3. disconnect from air supply and electric current!

WARNING

Risk of injury from slipping, tripping and falling

The operator of the pump is responsible for traffic safety. If operating fluids escape from the pump, the areas

must be cordoned off accordingly, marked and suitable measures taken.

WARNING

Risk of injury due to stored residual energies

The occurrence of mechanical, pneumatic and electrical residual energies on the pump after actuating the

control element for stopping in an emergency or after switching off the pump must be observed!

WARNING

Danger from hot components and equipment

During operation, media and pump parts can reach high temperatures. Before intervening manually in the

pump, it is therefore necessary to wait until it has cooled down enough to allow safe operation with

protective gloves in order to avoid burns.

WARNING

Shutting down the pump when leaving the operating parameters

Outside the permitted operating parameters, safe operation of the pump can no longer be guaranteed. The

limits of the permissible operating parameters are shown in the chapter 9.2.

WARNING

Risk of injury! Danger of crushing in the hand and arm area due to product assembly.

If activities are carried out for assembly, the employee must be trained in the use of lifting equipment and

have provided proof of this. Use suitable protective equipment!

WARNING

Safety risk due to spare parts not approved by the manufacturer

Becker spare parts have been checked by us for their technical requirements and for their safety. Spare parts

that have not been approved can pose a danger to people and the pump.

NOTE

Wear safety shoes

Foot protection must be worn during all activities at the pump.

NOTE

Wear protective gloves

The pump must cool down until it is safe to carry out activities with protective gloves.

If this time cannot be guaranteed, protective gloves with adequate heat protection must be used. The exact

model can be found in the operator's glove schedule.

2.10 BEHAVIOUR IN CASE OF DANGER AND ACCIDENTS

The protective measures to be taken and the responsibility for drawing up an occupational safety concept lie with the

operator of the workplace.

"The operator must ensure safe use by following the ""Operating conditions"" described in chapter 3."

2.11 REQUIREMENT FOR STABILITY

It is best to install the pump horizontally on a flat surface.

Vertical installation (valve side down) is not permitted.

10 | VT 4.2, VT 4.4, VT 4.8, VT 3.6, VX 3.6

2.12 OCCUPATIONAL SAFETY AND HEALTH

The pump has been set up in accordance with the Machinery Directive 2006/42/EC and the relevant occupational

health and safety and accident prevention regulations. Before starting repair work, the pump must be de-energised

and depressurised to prevent accidents. Previously dismantled protective devices must be reattached before

commissioning.

2.13 AIRBORNE SOUND EMISSIONS

According to Directive 2006/42/EC, information on the airborne noise emission of the pump must be given. Exact

details can be found in the Machinery Directive under point 1.7.4.2.

Notes on the pump (see chapter 9.2)

2.14 ERGONOMICS

"With regard to maintenance and servicing, special behaviour with regard to ergonomics, in accordance with

Directive 2006/42/EC Annex i 1.1.6 ""Ergonomics"", must be taken into account:"

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