DLS DLS-Pump 2071 User manual

User manual
DLS-Pump 2071

User manual DLS-Pump 2071
Rev.: SG-20220427
Page 2 of 30
Translation
With deliveries into the member states of the EU, the operating
manual has to be translated in the language of the user’s
country.
In case of any discrepancy in the translated text, the original
operating manual (German) is the reference to be used for
clarication or the manufacturer to be contacted.
Copyright
Distribution and copying of this document as well as utilization
and information on its content are prohibited, unless expressly
permitted. Violation of this stipulation leads to payment of
indemnication.
All rights reserved.

User manual DLS-Pump 2071
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Content
1. Important notes on this operating manual 5
1.1 Users 5
1.2 Obligation for reading 5
1.3 In case of questions 5
1.4 Operation manual 5
1.4.1 Applicability 5
1.4.2 Content and purpose 5
1.4.3 Site 6
1.4.4 Meaning of the safety instructions and signs 6
2. Identication 7
2.1 Product brand and type designation 7
2.2 Product version 7
2.3 Product designation 7
2.4 Manufacturer and contact address 7
2.5 conformity 7
3. Product description 8
3.1 Purpose of use 8
3.2 Limits of use 8
3.3 Environmental conditions 8
3.4 Conventional usage 9
3.5 Technical data 9
3.5.1 Assemblies 9
3.5.2 Dimensions 10
3.5.3 Basic unit 11
3.5.4 Level monitoring (option) 12
3.5.6 Electric connection 13
4. Description of function 14
4.1 Drive 14
4.2 Delivery function 14
4.3 Function Lube care 15
4.4 Pump elements 15
4.5 Level control (option) 16
5. Safety instructions 17
5.1 Fundamental rule 17
5.2 Required users’ skills 17
5.3 Safety devices 18
5.4 Accident prevention 18
5.5 Residual risks 18
5.6 Incorrect applications 19
5.7 General safety regulations and duties 19
5.8 Disclaimer 19
6. Transportation, installation, commissioning and shutdown 20
6.1 Transportation 20
6.2 Unpacking 20

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6.3 Installation 20
6.4 Power supply and switch-on 21
6.5 Commissioning 21
6.6 Shutdown 23
7. Cleaning, servicing, fault remedy, and repair 24
7.1 Cleaning 24
7.2 Maintenance 24
7.3 Inspection schedule 25
7.4 Relling the reservoir 25
7.5 Repair 26
7.6 Accessories 27
7.7 List of spare parts 27
8. Return to factory 28
9. Disposal 28
Clearance certicate 29

User manual DLS-Pump 2071
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1. Important notes on this operating manual
This operation manual forms part of the machine and must be available to the operation and
maintenance personnel at any time.
The safety notes contained herein need to be observed.
When reselling the machine, this operation manual must be handed over in any case as well.
In addition to this operation manual, always be careful to observe the laws and regulations being
applicable in the country of use.
1.1 Users
1.4 Operation manual
This operation manual is intended for technically qualied users, who have been instructed or trained in
the operation of the pump unit.
1.2 Obligation for reading
As an operator and user of the pump unit, you are obliged to read and understand this operation manual
and, in particular, its section „Safety regulations“. It is your safety that is at stake! Should you have any
question or uncertainty, contact DLS Schmiersysteme GmbH, please.
1.3 In case of questions
In case of questions that you cannot solve by means of this operation manual, DLS Schmiersysteme
GmbH will help you. In such situations it is indispensable that you provide us with a precise description of
the problem at stake.
1.4.1 Applicability
This operation manual is applicable to the series versions of the DLS-Pump 2071 pump units. Should any
part thereof be related to particular versions only, special reference will be made.
1.4.2 Content and purpose
This operation manual contains the relevant information for the commissioning, operation and mainte-
nance of the pump unit. It is designed to help you in using the pump unit properly, efciently and safely.

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1.4.3 Site
This operation manual must always be available to the users at their places of work.
1.4.4 Meaning of the safety instructions and signs
Safety instructions
The pictograms and signal words for safety instructions, precautions and notes have the following mea-
ning in this operating manual:
Danger! Directly imminent danger, which may lead to severe body injuries.
Warning! Possibly imminent situation, which may lead to severe body injuries.
Caution! Possibly imminent situation, which may lead to light body injuries.
Caution! Warning of material damage.
Note! Possibly damaging situation, in which the product or an object in its environment
could be damaged.
Important! Notes on use as well as other useful information, which facilitate the use of the
product according to its intended technical purpose.
Danger! Directly imminent danger by electric power, which may lead to severe body injuries.

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2. Identication
Piston pump unit manufactured by DLS Schmiersysteme GmbH
Product type: DLS-Pump 2071
2.1 Product brand and type designation
Version from year of construction 2021
2.2 Product version
The type plate is mounted on the side of the pump body and contains the following details:
Manufacturer
Type (z. B. DLS-Pump 2071)
No. <order number> (e. g. 2022010101)
Year of construction
2.3 Product designation
Eugen WOERNER GmbH & Co. KG
Hafenstrasse 2
DE-97877 Wertheim
Tel. [phone]
Fax [phone]
Net www.WOERNER.de
E-Mail [email protected]
2.4 Manufacturer and contact address
The pump unit meets the requirements of the EC Machinery Directive (2006/42/EC)
Declaration of Conformity see appendix (chapter 10).
2.5 conformity

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3. Product description
3.1 Purpose of use
The pump unit is designed for the delivery of lube oils as of 155 mm²/s and lube greases up
to NLGI class 2 exclusively.
3.2 Limits of use
The application area of the pump unit’s components is restricted as follows:
Temperature range: -20 … +60 °C
Admissible delivery pressure: max. 70 bar
Depending on the version, these limits of use may be restricted further. Such further restrictions are de-
alth with in this operation manual later on.
Besides, the pump unit’s area of application is determined by the medium to be delivered. Hence, when
determining the area of application, you also need to refer to the technical data sheets for the medium
to be used.
3.3 Environmental conditions
Operation of the pump unit in aggressive atmosphere (solvent vapours, acids, lyes, saltwater
mist, etc.) may cause damage and/or corrosion of components and thus, failure of the
installation as well as hazards by escaping lubricant!
Ambient temperature range
lower limit temperature: - 20 °C
upper limit temperature: + 60 °C
Relative humidity: max. 70%
Noise level: <70 dB(A)
Physical environment
Use of the installation above 1000 m sea level after consultation with the manufacturer only.

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3.4 Conventional usage
The pump unit is exclusively designed for the delivery of lubricating oils or lubricating greases in central
lubrication systems. Conventional usage also includes:
• Considering the safety instructions as well as safety regulations in this operating manual, and
• complying with the service and maintenance instructions in this operating manual.
Any other use or use beyond the intended one may result in severe damages of persons and
objects.
Any supply of gases, liqueed gases, gases liqueed under pressure, vapours and uids, whose
steam pressure exceeds the normal atmospheric one (1013 hPa) by more than 0,5 bar with the
admissible maximum temperature, highly ammable or explosive media as well as the supply of
food are interdi.!
Important! Please consider the safety data sheets of the used substances!
3.5 Technical data
3.5.1 Assemblies
The GMB-B pump unit consists of up to four assemblies the different DLS-Pump 2071 versions of which
may vary
• Pump body with monitoring and device motor
• Reservoir
• Control (option)
• Progressive distributor (option)

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3.5.2 Dimensions
dimension sheet DLS-Pump 2071
Weight:
with reservoir „2“ max. 6,1 kg*
* without progressive distributor, without lubricant

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3.5.3 Basic unit
In its basic version, the DLS-Pump 2071 comprises the pump body with motor and a reservoir mounted
on. The technical data of this unit is as follows:
• Number of pump elements: 1
• Delivery volume per stroke
• per pump element 04: 0,04 cm³
• Admissible delivery pressure: 70 bar
• Temperature range: -20 … +60 °C
• Motor connection voltage: 24 VDC
• Pump drive power input: 2,5 A
• Overall power input, incl. control: 3 A
• Output speed: approx. 30 min-1
• Protection class: DIN EN 60529 IP55
• Material Casing: Aluminium
Pump element: Steel
Motor: Aluminium / Steel / Copper
Reservoir types „2“: Polyamide
(Lid polypropylene)
Gaskets: NBR
Reservoir
Control (option)
Pump body with motor
Basic elements DLS-Pump 2071

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• Filling connection: Cone lubricator nipple DIN71412
Flat lubricator nipple DIN 3404
Closing nipple
Filling connection variants:
This part is located beneath the left-side pump element.:
Filling connector „A“1)
Cone lubricator nipple
DIN 71412 - AG1/4
1) not for oil suitably
3.5.4 Level monitoring (option)
The technical data of the (optional) level monitoring unit is as follows:
• Switching voltage: max. 30 VDC
• Switching current: max. 0,25 A
• Switching power: max. 3 W
• Temperature range: 0 … +60 °C
• Switching function: NC contact
If inductive or capacitive loads are connected, suitable protection circuits are to be installed!
(diode, RC-module, varistor)

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3.5.6 Electric connection
The electric terminals of the pump unit are characterized by the following connec-tion data:
Connection type: Male M12x1, 5-pin (8)
Version with control:
Siehe Kapitel 7.2.
Version without control:
Pin
1- ➔+24 V (delivery function: 24 V to Pin 1)
2- ➔+24 V (stirring function: 24 V to Pin 1 + 2)
3- ➔0 V
4- ➔signal line
5-
There is a threaded connection M4 (9) on the pump housing for attaching the equipotential bonding.
Skilled electricians are the only ones permitted installing the electric wiring according to DIN
VDE 1000-10.

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4. Description of function
4.1 Drive
The pump unit DLS-Pump 2071 is driven by a direct current gear motor 5 that is anged to the pump
casing 4 from below.
4.2 Delivery function
When the eccentric shaft 3is rotating, the delivery piston 2.1 of every pump element performs a suction
and delivery stroke per rotation each whilst delivering lubricant from the reservoir 1to the lube points.
Depending on the case of application (lubricant, lubricant need, etc.), the pump unit can be tted with
different pump elements and monitoring elements.

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4.3 Function Lube care
In some modes of operation, improvement of lubricant quality and delivery behaviour require additional
stirring of the lubricant.
In the DLS-Pump 2071 pump unit, such stirring is enabled by means of a specially designed eccentric
drive.
When the eccentric shaft 3rotates into the one direction of rotation, the pump elements are working
whilst the stirrer supplies them with lubricant.
As soon as the eccentric shaft 3rotates in counter direction, the lubricant will be stirred while the pump
elements do not deliver.
The integrated control can be used to programme the operation and off-duty times for the delivery with
stirring and the stirring without delivery independently from each other.
Danger! If the pump is not equipped with the „stirring with and without conveying“ function, con-
veyance takes place every time it is switched on!
Attention! The motor must not continuously run!
4.4 Pump elements
During suction stroke, the pressure spring 2.2 moves the delivery piston 2.1 against the eccentric shaft 3.
In such motion, the lubricant being available in the reservoir 1is drawn through the suction hole 2.3 into
the metering chamber 2.4
During delivery stroke, the eccentric shaft 3displaces the delivery piston 2.1. Thereby, the suction hole
2.3 is closed and the lubricant volume being available in the metering chamber 2.4 delivered through
the check valve 2.5 to the outlet 2.6
The 0,04 cm³ delivery volume pump element is marked by a white ring R.

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4.5 Level control (option)
Level control „C“:
Minimum level monitoring for grease
When the reservoir is empty and the pump drive shaft rotating, the contact will be switched.
The empty signal is intermitting.
The switching mechanism may change itself, e. g. during reservoir lling.
Therefore, in case of an external control, evaluation of the signal available during pump switch-on must
be delayed (by approx. 5 s).
Lubricant avaible
(permanent signal)
No lubricant avaible
(intermittierendes Signal)
Level control „C“

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5. Safety instructions
5.1 Fundamental rule
The pump unit leaves the factory in faultless state and ensures high technical safety.
The pump unit represents the state-of-the-art as well as fulls all the current safety and health protection
regulations. Nevertheless, there is danger in case of maloperation or misuse:
• for body and life of the user or third parties
• for the pump unit or other user’s objects
• for efcient use of the pump unit
5.2 Required users’ skills
Persons, who operate the pump unit have to be authorised and trained for that job by the user. They
must be able recognising and avoiding possible dangers. This includes also knowledge on accident pre-
vention rules, rst aid measures and local rescue equipment.
Only skilled technicians, who have been specically trained for the product, are allowed inspecting,
maintaining and repairing.
Skilled electricians are the only ones permitted intervening in the electrical installation according to
DIN VDE 1000-10.

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5.3 Safety devices
The pump unit has been designed to be mechanically self-protecting.
The pump unit may not be operated unless the reservoir lid is closed.
The strainer (see gure „Strainer in the reservoir“) tted into the reservoir bottom serves as an ad-
ditional protection against reaching into the reservoir and for the avoidance of shear spots at the
stirring wing. It may be removed for maintenance and repair purposes only.
Check the presence of the strainer every time when lubricant is relled!
Strainer in the reservoir
5.4 Accident prevention
For accident prevention, take these measures:
• Prevent unauthorised persons from access to the pump unit.
• Keep foreign persons away from the areas and places of risk.
• Inform present foreign persons about residual risks repeatedly.
Inform yourself about such risks in the „Residual risks“ section.
5.5 Residual risks
When using the pump unit properly and adhering to the maintenance and repair cycles and measures
prescribed, there are no residual risks to persons and objects within the pump unit’s area.
If the pump unit is delivered in pre-lled condition, the product and safety data sheets related to the
medium lled in need to be observed in addition to this operation manual.

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5.6 Incorrect applications
Any usage contrary hereto or going beyond the conventional one may cause serious personal and
property damage.
As experience shows, possible incorrect applications include, for instance, the following:
• The delivery of highly inammable or explosive media.
• The delivery of media being capable of reacting with the materials used for the pump unit.
• The delivery of foodstuff.
5.7 General safety regulations and duties
Basically, the following safety regulations and duties are applicable to the use of the pump unit:
• The generally accepted rules for work safety need to be observed. Besides, the basic regulati-
ons and rules on work safety and accident prevention being applicable to the place of use have
to be followed.
• When using the pump unit inside vehicles, the generally accepted trafc law-related rules need
to be observed.
• The user is obliged to observe the regulations pertaining to the use of working appliances.
• The pump unit must be operated in awless and clean condition only.
• It is prohibited to remove, modify, bridge or bypass any and all protection, safety or monitoring
facilities.
• It is prohibited to reconstruct or modify the pump unit.
• The operator should be notied of any fault or damage immedi-ately.
• For repair, no others than original spare parts may be used.
• The operator is required to regularly check and maintain all protection, safety, and monitoring
facilities.
• After every repair, the awless condition of the pump unit must be ensured by means of a test
run.
5.8 Disclaimer
Should any damage be caused to persons, objects, the environment and/or property due to the
non-observance of this operation manual, no matter whether intentionally or unintentionally, DLS
Schmiersysteme GmbH shall be held harmless thereof. Besides, all warranty claims will be rejected. The
same also applies to any and all consequential damage.

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6. Transportation, installation, commissioning and shutdown
6.1 Transportation
Transport the pump unit to its destination carefully and by using suitable aids (e. g. hand-carts or the
like).
6.2 Unpacking
Lift the pump unit out of its packaging carefully and put it on a stable and plane base.
Note! The pump unit and the components attached in accor-dance with the scope of deli
very may still contain residues of blue-dyed test oil.
6.3 Installation
The pump unit is ready for wall-mounting. It is to be secured by means of two M10 screws. The mounting
surface must be sufciently stable in order to be capable of carrying the pump unit’s weight including
the lled reservoir. Besides, it needs to be ensured that the mounting surface is vertical and plane.
Mounting holes
ø 11 mm
Additional
mounting holes
ø 11 mm
Drill scheme: