WOERNER GMF User manual

Operating manual PMF/GMF Page 1 of 37 B0343
Multi outlet pump unit
GMF (with motor)
PMF (without motor)
Translation of the
original operation manual
Version EN 02/2019

Operating manual PMF/GMF Page 2 of 37 B0343
Translation
With delivery into member countries of the European Community,
this operating manual has to be translated into the user’s language.
If details of the translated operating manual do no coincide with the
original ones, then the original operating manual (German) is to be
referred to for clarification or the manufacturer to be contacted.
Copyright
This document shall neither be transferred to third parties nor
copied. Its content must neither be commercialized nor communi-
cated, if not explicitly allowed. Violating the before mentioned will
cause claim for indemnification.
All rights reserved.

Operating manual PMF/GMF Page 3 of 37 B0343
Table of content
1. Important information on this operating manual...........................................................5
1.1 User..........................................................................................................................5
1.2 Obligation to read.....................................................................................................5
1.3 Questions: What to do?............................................................................................5
1.4 Operating manual.....................................................................................................5
1.4.1 Validity......................................................................................................................5
1.4.2 Content and purpose................................................................................................5
1.4.3 Site of operation .......................................................................................................6
1.4.4 Meaning of the safety instructions and safety signs..................................................6
2. Identification....................................................................................................................7
2.1 Product mark and type designation...........................................................................7
2.2 Product version.........................................................................................................7
2.3 Product denomination...............................................................................................7
2.4 Manufacturer and address........................................................................................7
2.5 Conformity................................................................................................................7
3. Product description.........................................................................................................8
3.1 Use...........................................................................................................................8
3.2 Limits of application..................................................................................................8
3.3 Environmental conditions..........................................................................................8
3.4 Use according to design...........................................................................................9
3.5 Technical data..........................................................................................................9
3.5.1 Components.............................................................................................................9
3.5.2 Dimensions.............................................................................................................10
3.5.3 Weights ..................................................................................................................13
3.5.4 Pump specification .................................................................................................13
3.5.5 Drive specification ..................................................................................................14
3.5.6 Filling level monitoring specification........................................................................15
4. Description of function..................................................................................................16
4.1 Components...........................................................................................................16
4.2 Drive.......................................................................................................................16
4.2.1 Motor......................................................................................................................16
4.2.2 Hydraulic motor ......................................................................................................16
4.2.3 Oscillating drive......................................................................................................16
4.3 Function..................................................................................................................16
4.4 Pump elements.......................................................................................................17
5. Safety instructions ........................................................................................................18
5.1 Fundamental ..........................................................................................................18
5.2 Required users’ skills..............................................................................................18
5.3 Safety devices........................................................................................................18
5.3.1 Reservoir lid ...........................................................................................................19
5.4 Accident prevention................................................................................................22
5.5 Residual dangers....................................................................................................22
5.6 Improper use..........................................................................................................22
5.7 General safety regulations and duties.....................................................................23
5.8 Exclusion of liability ................................................................................................23
5.9 Specialities for types built in compliance with the provision 2014/34/EU (ATEX) ....24
6. Transport, installation, start-up and putting out of operation....................................25
6.1 Transport................................................................................................................25
6.2 Unpacking ..............................................................................................................25
6.3 Installation..............................................................................................................25
6.4 Power supply and powering-up...............................................................................26

Operating manual PMF/GMF Page 4 of 37 B0343
6.4.1 Motor......................................................................................................................26
6.4.2 Hydraulic motor ......................................................................................................26
6.4.3 Oscillating drive......................................................................................................26
6.5 Start-up...................................................................................................................27
6.6 Putting out of operation...........................................................................................28
7. Operating manual..........................................................................................................29
7.1 Trouble shooting and remedy.................................................................................29
7.2 Refilling the reservoir..............................................................................................30
7.3 Powering down.......................................................................................................30
8. Cleaning, servicing, fault remedy and repair...............................................................31
8.1 Cleaning.................................................................................................................31
8.2 Maintenance...........................................................................................................31
8.3 Inspection chart......................................................................................................32
8.4 Repair.....................................................................................................................32
8.5 Accessories............................................................................................................33
8.6 List of spare parts...................................................................................................34
9. Return to manufacturer.................................................................................................34
10. Disposal...................................................................................................................36
11. Appendix..................................................................................................................36
11.1 Content of the declaration of conformity..................................................................36
11.2 Declaration of Conformity .......................................................................................37

Operating manual PMF/GMF Page 5 of 37 B0343
1. Important information on this operating manual
This operating manual forms part of the machine and has to be made
available to the operating and maintenance staff at any time.
The safety instructions specified herein have to be obeyed.
If the machine is traded, the operating manual is to be included in the
shipment.
In addition to this operating manual, the current laws and regulations of
the user’s country have to be considered as well, in any case.
1.1 User
This operating manual has been written for technically qualified users, who have been in-
structed or trained for the operation of this pump unit.
1.2 Obligation to read
As owner and user of this pump unit, you are obliged reading and understanding this operat-
ing manual, in particular the chapter "Safety instructions". It is your safety that is dealt with.
In case of question and doubt, please get in contact with WOERNER.
1.3 Questions: What to do?
If questions arise, which you cannot solve with this operating manual, do not hesitate asking
WOERNER for support. In such case, describe the problem as precisely as possible.
1.4 Operating manual
1.4.1 Validity
This operating manual fits to the series design of the multi outlet pump units GMF and PMF.
If some sections of the operating manual refer to some special versions, then it will be espe-
cially pointed to.
1.4.2 Content and purpose
This operating manual delivers all the relevant information for start-up, operation and main-
tenance of the pump unit to assist you using the unit efficiently as well safely according to its
design and intended purpose of use.

Operating manual PMF/GMF Page 6 of 37 B0343
1.4.3 Site of operation
Make the operating manual available to the users at their workplace at any time.
1.4.4 Meaning of the safety instructions and safety signs
Safety instructions
The pictograms and warning words used in safety instructions, safety rules and references
of this operating manual do mean:
Danger! Immediately threatening danger that may lead to heavy body
injuries.
Warning! Possibly dangerous situation that may lead to heavy body
injuries.
Caution! Possibly dangerous situation that may lead to slight body
injuries.
Caution! Warning of material damage.
Note! Possibly dangerous situation that may lead to possible damage
to the product or objects in its environment.
Important! Instructions for use and other useful information that facilitate
usage of the product according to its design.
Danger! Immediately threatening danger by electric current that may
lead to heavy body injuries.

Operating manual PMF/GMF Page 7 of 37 B0343
2. Identification
2.1 Product mark and type designation
Piston pump unit of the manufacturer Eugen Woerner GmbH & Co. KG
Product types: GMF and PMF
2.2 Product version
Version from the year of production July 2015
2.3 Product denomination
The identification plate has been attached to the side of the pump case and informs on:
Manufacturer
Type (GMF)
No. <order number> (for example, 612345/1)
Year of production
2.4 Manufacturer and address
Eugen Woerner GmbH & Co. KG
Hafenstrasse 2
DE-97877 Wertheim
Phone [phone]
Facsimile [phone]
Net www.woerner.de
E-Mail [e-mail]
2.5 Conformity
The pump unit meets the provisions as specified in the EC-directive for machines
(2006/42/EC).
Declaration of conformity, see annex (chapter 11)

Operating manual PMF/GMF Page 8 of 37 B0343
3. Product description
3.1 Use
The pump unit has been exclusively designed for the supply of lubricat-
ing oils and greases up to the NLGI-class 3.
3.2 Limits of application
The range of application of the pump unit has been limited as follows:
Temperature range
without motor: -20 ... +80 °C
with motor: -20 ... +40 °C
Adm. supply pressure: max. 350 bar
Medium: Oil and grease up to consistency class 3
Depending on the real version, the application limits can be further restricted. The further
restrictions are pointed to later in details in this instruction manual.
In addition, the range of application of the pump unit is determined by the medium to be
supplied. Therefore, to finally define the range of application, consult also the technical data
sheets of the medium to be used.
3.3 Environmental conditions
Operating this pump unit in aggressive atmosphere
(vapour of solvents, acids, bases, salt water mist, etc.) may cause
damage, respectively corrosion of components and consequently,
failure of the equipment and hazards due to emerging lubricant!
Ambient temperature range
lower limit temperature: -20 °C
upper limit temperature without motor: +80 °C
with motor: +40 °C
Relative air humidity: max. 70%
Noise level: <70 dB(A)
Physical environment
If the equipment is planned to be operated at a level higher than 1,000 m above sea level,
consult the manufacturer, in every case.

Operating manual PMF/GMF Page 9 of 37 B0343
3.4 Use according to design
The pump unit must be exclusively used for the supply of lubricating oils or greases in central
lubricating installations, which the following conditions have to be considered for:
Observance of the safety instructions and safety rules in this operating manual.
Compliance with the maintenance and service instructions in this operating manual.
Any other usage or any usage beyond the designed one may lead to
heavy personal and material damages.
Forbidden: Supply of gases, liquefied gases, gases solved under pressure,
vapours and other liquids, whose saturation pressure exceeds 0,5 bar above
the normal atmospheric pressure (1013 mbar) at the admissible maximum
temperature, also highly flammable or explosive media as well as foodstuff!
Important! Please consider the safety specification sheets of the applied
substances as well!
3.5 Technical data
3.5.1 Components
The pump unit GMF consists of 4 components:
Pump body
Pump elements
Reservoir with filling level switch (optional)
Drive

Operating manual PMF/GMF Page 10 of 37 B0343
3.5.2 Dimensions
The following drawings depict the dimensions of the multi-outlet pump unit GMF. The
dimensions may vary according to type:
GMF-A
GMF-B
GMF-C
GMF-D

Operating manual PMF/GMF Page 11 of 37 B0343
Reservoir made from special steel Reservoir made from polyester

Operating manual PMF/GMF Page 12 of 37 B0343
Drive "M" Drive "N" Drive "L"
Drive "V" Drive "O" Drive "R", "U"
Reservoir capacity
up to 10 litres
Reservoir capacity
25 and 30 litres
Reservoir capacity
up to 10 litres
Reservoir capacity
up to 10 litres
Reservoir capacity
25 and 30 litres
Reservoir capacity
25 and 30 litres

Operating manual PMF/GMF Page 13 of 37 B0343
3.5.3 Weights
The weight G of the pump unit is composed of the following components according to type:
Pump body with drive P
Reservoir B
Follower piston (optional) FK
Filling level switch (optional) FS
Pump elements PE
The weight is calculated as follows:
G = P + B + FK + FS + PE x number of PE
Weight of the pump case with drive (P):
Drive
M
N
L
V
O
R, U
P
Weight
10,6 kg
12,8 kg
8,3 kg
7,9 kg
7,1 kg
5,2 kg
5,1 kg
Weight of the reservoir (B):
Material
Special steel
Polyester
Capacity
2 l
4 l
7 l
25 l
5 l 1)
10 l 2)
30 l 3)
Weight
1,1 kg
1,3 kg
2,2 kg
3,8 kg
1,6 kg
1,8 kg
4,3 kg
1) with follower piston 2,5 l
2) with follower piston 7,5 l
3) with follower piston 24 l
Weight of the follower piston (FK)
for reservoir 5 and 10 l: 0,8 kg
for reservoir 30 l: 2,7 kg
Weight of the filling level switch (FS): 0,18 kg
Weight of the pump element (PE): 0,3 kg
3.5.4 Pump specification
The GMF is made up of the pump case with pump elements, attached reservoir and drive.
Technical data of the pump unit:
Number of pump elements GMF-A max. 2
GMF-B max. 10
GMF-C max. 20
GMF-D max. 24
Volumetric displacement per stroke
every pump element 6 adjustable max. 0,08 cm³
every pump element 8 adjustable max. 0,15 cm³
every pump element 22 0,22 cm³
Number of strokes of the elements 1 …25 min-1

Operating manual PMF/GMF Page 14 of 37 B0343
Admissible supply pressure 350 bar
Temperature range without motor -20 … +80 °C
with motor -20 … +40 °C
Material Pump body Aluminium
Pump element Steel
Reservoir Special steel / polyester
Seals NBR
3.5.5 Drive specification
3.5.5.1 Motors "M" and "N"
Mains voltage 230/400 V
Frequency 50 Hz
Synchronous speed 1500 min-1
Power Drive "M" 0,18 kW
Drive "N" 0,37 kW
Protection class DIN EN 60529 IP55
Temperature class F
The maximal admissible operating pressure depends on motor as well as total transmission
ratio and amounts to:
Overall
trans-
mission
Delivery volume **
per element cm³/min
max. operating pressure bar
(with 20 elements installed)
Drive "M"
Drive "N"
Element
ø6
Element
ø8
Element
ø6
Element
ø8
Element
ø6
Element
ø8
60:1
1,8
3,4
230
100
350
200
97:1
1,1
2,1
330
170
350
160:1
0,7
1,3
350
270
316:1
0,4
0,7
320
625:1
0,2
0,3
350
1250:1
0,1
0,2
2500:1 *
0,05
0,1
* on request only ** Benchmarks
3.5.5.2 Hydraulic motor "L"
Power (with oil flow 3,5 l/min) 0,25 kW
Speed (with oil flow 3,5 l/min) 400 min-1
Speed max. 1950 min-1
Pressure drop max. 100 bar
Oil flow max. 16 l/min

Operating manual PMF/GMF Page 15 of 37 B0343
3.5.5.3 Oscillating drive "O"
The eccentric stroke required for the oscillating drive is calculated with the following
formula:
h = 2 x L x π x n1x i x n-1
h Eccentric stroke mm
L Rocker arm length mm
n1Number of strokes of the pump elements min-1
i Transmission ratio
n Drive shaft speed min-1
Transmission ratio i:
1,33:1
1,78:1
2,33:1
4,25:1
7,66:1
12,7:1
25:1
50:1
66:1
3.5.6 Filling level monitoring specification
The (optional) filling level monitoring is characterised by the following technical data:
Switching power max. 40 W / 60 VA
Switching voltage max. 230 VUC
Switching current max. 0,5 A
Protection class DIN EN 60529 IP65
Connection Threaded terminals
Cable inlet M16x1,5
Wire cross-section 0.5 … 1,5 mm²
Connecting diagram:
Reservoir full Reservoir empty
When inductive or capacitive loads are to be connected, appropriate
protective devices (diode, RC-element, varistor) have to be installed

Operating manual PMF/GMF Page 16 of 37 B0343
4. Description of function
4.1 Components
1 Reservoir
2 Pump case
3 Agitator
4 Agitator blade
5 Pump shaft
6 Pressure ring
7 Worm wheel
8 Worm
9 Pump element
4.2 Drive
4.2.1 Motor
The pump unit is motor-driven through a right-angle gearbox flange-mounted on the side of
the pump case.
4.2.2 Hydraulic motor
The pump unit is driven by hydraulic motor and right-angle gearbox flange-mounted on the
side of the pump case.
4.2.3 Oscillating drive
An external eccentric transmits a longitudinal movement onto a rocker arm. In a gearbox, the
oscillation is converted into rotation to drive the worm shaft in the pump case.
4.3 Function
The drive puts the pump shaft into rotation through a worm gearing. Together with this pump
shaft, a pressure ring rotates eccentrically, which the pump elements are hung in. Due to the
eccentricity of the pressure ring related to the pump shaft, each displacing piston passes,
mechanically operated, through equally long pressure and suction strokes with every revolu-
tion of the pump shaft. The function of the pump elements will be explained later. An agitator
is linked with the pump shaft forcing the lubricant to the suction borehole of the pump ele-
ments to comminute air bubbles.

Operating manual PMF/GMF Page 17 of 37 B0343
4.4 Pump elements
4
3
R
7
Fördervolumen
1
2
6
The displacing piston 1and control piston 2generate the suction stroke. For that purpose,
the eccentric shaft moves the displacing piston 1, whilst a spring actuates the control piston
2. The control piston closes the pressure borehole 3and stops at a defined position accord-
ing to the adjusted delivery volume. The displacing piston continues traversing and produces
a vacuum in the measuring-out chamber and the lubricant is taken in from the reservoir by
the displacing piston after opening the suction borehole 4.
For the pressure stroke, the displacing piston 1travels to the left to shut the suction borehole
4and the control piston 2is displaced by the lubricant enclosed between displacing piston
and control one until the control piston opens the pressure borehole 3to enable the displac-
ing piston to feed the lubricant to the outlet.
The pump element having a piston diameter of 8 mm = 0,15 cm³/stroke is marked with a red
ring R.
Adjustment of the delivery volume:
The delivery volume can be reduced to a minimum of about 25% of the rated one. For that
purpose, take the following actions:
Turn out the plug screw 7.
Set the required delivery volume at the adjusting nipple 7with the wrench included in
the delivery.
Clockwise turn: Reducing the delivery volume.
Anticlockwise turn: Increasing the delivery volume.
The adjusting nipple features a hexagon, against which a spring-loaded piston exerts
pressure in radial direction. In this way, the delivery volume is prevented from auto-
matically changing. At the same time, this type of locking serves as a measure for the
adjustment of the delivery volume. Six notches correspond to one turn of the adjust-
ing nipple and reduction by approximately 33% of the rated volumetric displacement.
As for precise adjustment to a defined delivery volume per stroke, a volumetric prove-
measurement has to be taken. The pump elements are delivered adjusted to maxi-
mum volumetric displacement.
Turn in the plug screw 7.
Delivery volume
Delivery volume
Delivery volume

Operating manual PMF/GMF Page 18 of 37 B0343
5. Safety instructions
5.1 Fundamental
The pump unit is shipped from the works in faultless condition and guarantees high technical
safety.
The pump unit complies with the rules of technology as well as current labour safety and
health protection regulations. There is, however, danger in case of maloperation and abuse
for the:
Body and life of both users and third parties,
Pump unit or other material values of the users, and
Efficient usage of the pump unit.
5.2 Required users’ skills
Persons, who work with and on the pump unit, have to be authorised and instructed accord-
ingly by the user. They must be able detecting and eliminating possible danger. For that pur-
pose, knowledge on accident prevention rules, first-aid measures and local rescue equip-
ment is imperative.
Technically skilled staff properly instructed on the product is allowed to carry-
out inspection, service and maintenance only.
Skilled electricians are the only ones permitted to intervene in electrical instal-
lations according to DIN VDE 1000-10.
For planning and inspection of the work, specialists with product-specific training are
responsible.
5.3 Safety devices
From mechanical aspect, the pump unit is inherently safe due to its design.
The pump unit must be operated only with the lid of the reservoir closed.

Operating manual PMF/GMF Page 19 of 37 B0343
5.3.1 Reservoir lid
Always ensure that the pump is switched off before opening the lid!
Description
The reservoir lid is locked by two fasteners as shown in
this picture.
In normal use both fasteners must be closed.
If it´s necessary to open the lid it is mandatory to follow
the instructions below.
Locking hook
Locking lug
Safety latch (locked)
Safety cover
Locking lever

Operating manual PMF/GMF Page 20 of 37 B0343
Opening
Step 1:
Push the safety latch with a suitable tool from top.
Step 2:
After safety latch is unlocked, lift the locking lever and
release the locking lug from the locking hook to fully
unlock the fastener.
Safety latch unlocked
Step 3:
Repeat step 1 and 2 for the second fastener.