Retsch PP 35 User manual

© Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany | 14.03.2017 Version 0001
Manual
Pellet Press PP 35
Translation

Notes on the Manual
2
Copyright
© Copyright by
Retsch GmbH
Retsch-Allee 1-5
42781 Haan
Germany

3
Table of Contents
1Notes on the Manual ............................................................................................................................. 6
1.1 Disclaimer.......................................................................................................................................... 6
1.2 Copyright............................................................................................................................................ 6
1.3 Explanations of the Safety Instructions ............................................................................................. 7
1.4 General Safety Instructions ............................................................................................................... 8
1.5 Repairs............................................................................................................................................... 9
2Confirmation Form for the Managing Operator................................................................................ 10
3Technical Data ..................................................................................................................................... 11
3.1 Protective Equipment....................................................................................................................... 11
3.2 Degree of Protection........................................................................................................................ 11
3.3 Emissions......................................................................................................................................... 11
3.4 Electromagnetic Compatibility (EMC).............................................................................................. 11
3.5 Rated Power.................................................................................................................................... 11
3.6 Dimensions and Weight................................................................................................................... 11
3.7 Required Floor Space...................................................................................................................... 11
3.8 Receptacle Volume.......................................................................................................................... 12
3.9 Feed Grain Size............................................................................................................................... 12
3.10 Drive power...................................................................................................................................... 12
3.11 Pressure Force ................................................................................................................................ 12
4Packaging, Transport and Installation .............................................................................................. 13
4.1 Packaging........................................................................................................................................ 13
4.2 Transport.......................................................................................................................................... 13
4.3 Temperature Fluctuations and Condensation ................................................................................. 13
4.4 Conditions for the Installation Site................................................................................................... 14
4.5 Electrical Connection....................................................................................................................... 14
4.6 Type Plate Description..................................................................................................................... 15
4.7 Removing the Transportation Aid.................................................................................................... 16
5First Commissioning........................................................................................................................... 18
6Operating the Device .......................................................................................................................... 20
6.1 Use of the Device for the Intended Purpose.................................................................................... 20
6.2 Switching On / Off............................................................................................................................ 20
6.3 Emergency Unlocking...................................................................................................................... 20
6.4 Production of a Pellet....................................................................................................................... 21
6.4.1 Free pressing / Pressing in an aluminium cup............................................................................. 21
6.4.2 Pressing in the steel ring ............................................................................................................. 27
6.4.3 Reusing the steel ring.................................................................................................................. 28
6.5 Programme Mode............................................................................................................................ 29
6.5.1 Changing programs ..................................................................................................................... 29
6.5.2 Edit program ................................................................................................................................ 30
6.5.3 Altering settings ........................................................................................................................... 31
7Error Messages and Information Notes............................................................................................ 33
7.1 Error Messages ............................................................................................................................... 33
7.2 Information Notes ............................................................................................................................ 34
8Return for Service and Maintenance................................................................................................. 35
9Cleaning, Wear and Maintenance...................................................................................................... 36
9.1 Cleaning........................................................................................................................................... 36
9.1.1 Cleaning the housing................................................................................................................... 36
9.1.2 Cleaning the pressure chamber................................................................................................... 36
9.2 Wear ................................................................................................................................................ 39
9.3 Maintenance .................................................................................................................................... 39
10 Accessories ......................................................................................................................................... 39
11 Disposal................................................................................................................................................ 40

Notes on the Manual
4
12 Index ..................................................................................................................................................... 41

Notes on the Manual
5

Notes on the Manual
6
1 Notes on the Manual
Dear user,
please read the following manual referring to this device carefully before starting any
installation, commissioning and operation.
This manual is a technical guide on how to operate the device safely and it contains all the
information required for the areas specified in the table of contents. This technical
documentation is a reference and instruction manual. The individual chapters are complete in
themselves. Familiarity (of the respective target groups defined per area) with the relevant
chapters is a precondition for the safe and appropriate use of the device.
This manual does not contain any repair instructions. In case of any obscurities or questions
with regards to this document or the device, as well as if faults arise or repairs are necessary,
please contact your supplier or get in touch with Retsch GmbH directly.
Application-technical information relating to samples to be processed are not or only to a certain
extend included. However, more information thereof can be found in the internet on the
webpage of the respective device on the Retsch GmbH homepage (http://www.retsch.com).
Revision status:
This document revision 0001 refers to the manual "Pellet Press PP 35" in compliance with the
Directive of Machinery 2006/42/EC.
1.1 Disclaimer
This document has been prepared with due care. Technical and software based modifications
are reserved. No liability is assumed for data loss, personnel injury or damage to the device
which results from the failure to observe the instructions and/or warnings in this document.
1.2 Copyright
This document or parts of it or its content may not be reproduced, distributed, edited or copied
in any form without prior written permission of Retsch GmbH. Damage claims shall be asserted
in the case of infringements.

Notes on the Manual
7
1.3 Explanations of the Safety Instructions
In this document the following signs and symbols are being used:

Reference to a recommendation and/or an important information

Reference to a chapter, table or figure

Action instruction
│Name│
Software menu function
[Name]
Software button
⟨Name⟩
Software checkbox
In this document the following safety instructions warn of possible dangers and damages:
DANGER
D1.0000
Type of danger / personal injury
Source of danger
Possible consequences if the dangers are not observed.
•Instructions and information on how the dangers are to be avoided.
Life-threatening personal injuries may result from disrespecting the safety instruction for
danger. There exists a very high risk of hazard of life or permanent injury to personnel.
Additionally, in continuous text or action instructions the signal word DANGER is used.
WARNING
W1.0000
Type of danger / personal injury
Source of danger
Possible consequences if the dangers are not observed.
•Instructions and information on how the dangers are to be avoided.
Serious personal injuries may result from disrespecting the warning notice. There exists an
elevated risk of an accident or severe injury to personnel. Additionally, in continuous text or
action instructions the signal word WARNING is used.
CAUTION
C1.0000
Type of danger / personal injury
Source of danger
Possible consequences if the dangers are not observed.
•Instructions and information on how the dangers are to be avoided.
Moderate or mild personal injuries may result from disrespecting the safety instruction for
caution. There exists a medium or low risk of an accident or injury to personnel. Additionally, in
continuous text or action instructions the signal word CAUTION is used.
NOTICE
N1.0000
Type of property damage
Source of property damage
Possible consequences if the notices are not observed.
•Instructions and information on how the property damages are to be
avoided.

Notes on the Manual
8
Property damages may result from disrespecting the notice. However, there exists no risk of
an injury to personnel. Additionally, in continuous text or action instructions the signal word
NOTICE is used.
1.4 General Safety Instructions
CAUTION
C2.0002
Read the manual
Non-observance of the operating instructions
The non-observance of this manual can result in personal injuries.
•Read the manual before using the device.
Target group:
All persons concerned with this device in any form.
This device is a modern, high performance product from Retsch GmbH and complies with the
state of the art. Operational safety is given if the device is handled for the intended purpose and
attention is given to this technical documentation.
Safety manager:
The managing operator himself must ensure that the people entrusted with working on the
device…
have noted and understood all the regulations regarding safety,
are familiar before starting work with all the operating instructions and specifications for
the target group relevant to their work,
have unrestricted and free access to the technical documentation of this device,
are familiar before starting work with the safe handling of the device and its use for its
intended purpose either by verbal instructions from a competent person and/or by means
of this technical documentation.
CAUTION Improper operation can result in personal injuries and material damage. The
managing operator himself is responsible for his own safety and that of his employees. The
managing operator himself is responsible that no unauthorised person has access to the device.
CAUTION Persons who are under the influence of intoxicating substances
(pharmaceuticals, drugs, alcohol), fatigue or health disorders must not operate the device.
CAUTION
C3.0015
Changes to the device
Improper modifications
Changes to the device can lead to personal injuries.
•Do not make any modification to the device.
•Use spare parts and accessories that have been approved by Retsch
GmbH exclusively.

Notes on the Manual
9
NOTICE
N2.0012
Changes to the device
Improper modifications
The conformity declared by Retsch GmbH with the European Directives
will lose its validity.
Any warranty claims will be terminated.
•Do not make any modification to the device.
•Use spare parts and accessories that have been approved by Retsch
GmbH exclusively.
1.5 Repairs
This manual does not contain any repair instructions. For safety reasons, repairs may only be
carried out by Retsch GmbH or an authorised representative or by qualified service technicians.
In case of repair, please inform…
…the Retsch GmbH representative in your country,
…your supplier, or
…Retsch GmbH directly.
Service address:

Confirmation Form for the Managing Operator
10
2 Confirmation Form for the Managing Operator
This manual contains essential instructions for operating and maintaining the device which must
be strictly observed. It is essential that they be read by the user and by the qualified staff
responsible for the device before the device is commissioned. This manual must be available
and accessible at the place of use at all times.
The user of the device herewith confirms to the managing operator (owner) that he has received
sufficient instructions about the operation and maintenance of the system. The user has
received the manual, has read and taken note of its contents and consequently has all the
information required for safe operation and is sufficiently familiar with the device.
The managing operator should for legal protection have the user confirm the instruction about
the operation of the device.
I have read and taken note of the contents of all chapters in this manual as well as all
safety instructions and warnings.
User
Surname, first name (block letters)
Position in the company
Place, date and signature
Managing operator or service technician
Surname, first name (block letters)
Position in the company
Place, date and signature

Technical Data
11
3 Technical Data
3.1 Protective Equipment
The PP 35 door closure is monitored.
The device can only be started when the door is closed
3.2 Degree of Protection
- IP 40
3.3 Emissions
Noise measurement in conformance to DIN 45635-31-01-KL3
The noise characteristic levels are mainly caused by the hydraulic unit at max. pressure.
Workplace-related emissions level LpAeq = up to 60 dB(A)
3.4 Electromagnetic Compatibility (EMC)
EC Directive Electromagnetic Compatibility 2004/108/EC:
EN 61000-3-2/-3 Electromagnetic Compatibility (EMC).
EN 61236 Electrical equipment for measurement, control and laboratory use –EMC
requirements, in conjunction with EN 61000.
EN 55011 Limits and methods of measurement for radio-frequency disturbance in industrial,
scientific and medical equipment.
3.5 Rated Power
- - 100 W
3.6 Dimensions and Weight
- - Housing height: 495 mm
- Housing width: 335 mm
- Housing depth: 570 mm
- Pressing chamber max. height: 270 mm
- Pressing chamber min. height: 110 mm
- Pressing chamber width: 220 mm
- Pressing chamber depth: 220 mm
- Weight: 120 kg
- Oil type: Hydraulic oil Lg22
3.7 Required Floor Space
Approx. 350mm x 600 mm. It is important to ensure that the device is accessible from the back.

Technical Data
12
3.8 Receptacle Volume
Depending on the material approximately: 8 –12 ml
Depending on the PP 35 design, the following ring sizes or
aluminium cups can be used:
Ring size
Aluminium cup size
40 /32-mm dia.
40-mm dia.
40 /35-mm dia.
32-mm dia.
NOTE
For the ring, the pressure force is limited to 15 t.
For the 32-mm-dia. aluminium cup, the pressure force is limited to 25 t.
For the 40-mm-dia. aluminium cup, the pressure force is limited to 35 t.
3.9 Feed Grain Size
Maximum grain size: < 100μm
3.10 Drive power
- 100 W
3.11 Pressure Force
The PP 35 pressure force is 0 –35 t.
For the ring, the pressure force is limited to 15 t
For the 32-mm-dia. aluminium cup, the pressure force is limited to 25 t.
For the 40-mm-dia. aluminium cup, the pressure force is limited to 35 t

Packaging, Transport and Installation
13
4 Packaging, Transport and Installation
4.1 Packaging
The packaging has been adapted to the mode of transport. It complies with the generally
applicable packaging guidelines.
NOTICE
N3.0001
Storage of the packaging
In the event of a complaint or return, the warranty claim may be
endangered if the packaging is inadequate or the device has not been
secured correctly.
•Keep the packaging for the duration of the warranty period.
4.2 Transport
NOTICE
N4.0017
Transport
Mechanical or electronic components may be damaged.
•The device may not be knocked, shaken or thrown during transport.
NOTICE
N5.0014
Complaints
Incomplete delivery or transportation damage
The forwarding agent and Retsch GmbH must be notified immediately in
the event of transportation damage. It is otherwise possible that
subsequent complaints will not be recognised.
•Please check the delivery on receipt of the device for its
completeness and intactness.
•Notify your forwarding agent and Retsch GmbH within 24 hours.
4.3 Temperature Fluctuations and Condensation
NOTICE
N6.0016
Temperature fluctuations
The device may be subject to strong temperature fluctuations during transport
(e.g. aircraft transport)
The resultant condensed water may damage electronic components.
•Wait before commissioning until the device has been acclimatised.
Temporary storage:
Also in case of an interim storage the device must be stored dry and within the specified
ambient temperature range.

Packaging, Transport and Installation
14
4.4 Conditions for the Installation Site
Installation height: max. 2 000 m above sea level
Ambient temperature: 5 °C –40 °C
NOTICE
N7.0021
Ambient temperature
Temperatures outside the permitted range
Electronic and mechanical components may be damaged.
The performance data alter to an unknown extent.
•Do not exceed or fall below the permitted temperature range (5 °C to
40 °C ambient temperature) of the device.
Maximum relative humidity < 80 % (at ambient temperatures ≤31 °C)
For ambient temperatures UTbetween 31 °C and 40 °C, the maximum relative humidity value LF
linearly decreases according to LF= –(UT–55) / 0.3:
Ambient temperature
Max. rel. humidity
≤31 °C
80 %
33 °C
73.3 %
35 °C
66.7 %
37 °C
60 %
39 °C
53.3 %
40 °C
50 %
NOTICE
N8.0015
Humidity
High relative humidity
Electronic and mechanical components may be damaged.
The performance data alter to an unknown extent.
•The relative humidity in the vicinity of the device should be kept as
low as possible.
4.5 Electrical Connection
WARNING When connecting the power cable to the mains supply, use an external fuse that
complies with the regulations applicable to the place of installation.
Check the type plate for details on the necessary voltage and frequency for the device.
The listed values must agree with the existing mains supply.
Only use the supplied power cable to connect the device to the mains supply.
NOTICE
N9.0022
Electrical connection
Failure to observe the values on the type plate
Electronic and mechanical components may be damaged.
•Connect the device only to mains supply matching the values on the
type plate.

Packaging, Transport and Installation
15
4.6 Type Plate Description
Fig. 1: Type plate
1 Device designation
2 Year of production
3 Part number
4 Serial number
5 Manufacturer’s address
6 CE marking
7 Disposal label
8 Bar code
9 Power version
10 Mains frequency
11 Capacity
12 Amperage
13 Number of fuses
14 Fuse type and fuse strength
In the case of queries please provide the device designation (1) or part number (3), as well
as the serial number (4) of the device.
1
2
3
4
5
6
7
8
9
10
11
12
14
13

Packaging, Transport and Installation
16
4.7 Removing the Transportation Aid
WARNING
W2.0005
Serious personal injury
Falling loads
Due to the heavy weight of the device, serious personal injuries can be
caused if it falls down.
•Lifting above head height is not permissible!
The PP 35 pellet press is supplied in a sturdy 2-part cardboard box.
Fig. 1: PP 35 pellet press packaging
Remove the two straps and take the outer cardboard box off the pallet.
Loosen the screws on the inner cardboard box and remove them.
Fig. 2: Remove the inner cardboard box
Loosen the 4 screws which connect the PP 35 pellet press to the transport aid.

Packaging, Transport and Installation
17
Fig. 3: Loosen the transport aid screws
Lift the PP 35 pellet press onto a sturdy and steady table.
NOTE
The table must be designed to bear a weight of approx. 120 kg!

First Commissioning
18
5 First Commissioning
WARNING
W3.0002
Danger to life through electric shock
Damaged power cable
An electric shock can cause burns, cardiac arrhythmia, respiratory arrest,
as well as cardiac arrest.
•Never use a damaged power cable to connect the device to the
mains!
•Check the power cable and the plug for any damage before use.
NOTICE
N10.0002
Setting up the device
Disconnecting the device from the mains
A separation of the device from the mains must be possible at any time.
•Set up the device in such a way, that the connection for the power
cable is always easily accessible.
Scope of supply:
1x PP 35 pellet press
1x connection cable
1x fuse 4A
1x venting hose
1x delivery screw cap / press-screw cap (red)
1x pressing tool
1x pressing-out aid
1x 8-mm hexagon socket
Unscrew the rear metal-sheet panel.
Fig. 4: Remove the rear metal-sheet panel.
Unscrew the delivery screw cap and replace it with the press-screw cap (red).

First Commissioning
19
Fig. 5: Replace the delivery screw cap with a press-screw cap.
Screw the rear metal-sheet panel on again.
Connect the connection cable to the press and insert it into a shockproof socket.
Pull the PP 35 pellet press tool sliding tray out as far as it will go.
Make sure the tool sliding tray is clean and that there is no feed material in it as this would
destroy the tool sliding tray during the subsequent pressing procedure.
Insert the pressing tool included in the scope of supply into the tool-sliding tray device and
fill the pressing tool.
NOTE
Only work with the pressing tool included in the scope of supply.
Put the cover on the pressing tool and push the tool sliding tray into the press again.
Use the mains switch to turn on the press.
Caution: the emergency-stop switch must be pulled.

Operating the Device
20
6 Operating the Device
6.1 Use of the Device for the Intended Purpose
CAUTION
C4.0005
Risk of explosion or fire
Potentially explosive atmosphere
On account of its design, the device is not suitable for use in potentially
explosive atmospheres.
•Do not operate the device in a potentially explosive atmosphere.
CAUTION
C5.0006
Danger of personal injury
Hazardous sample material
Depending on the dangerous nature of the sample material necessary
measures must be taken to rule out any danger of personal injury.
•Observe the material safety data sheets of the sample material.
NOTICE
N11.0007
Range of application of the device
Long-term operation
This laboratory device is designed for eight-hour single-shift operation
with a duty cycle of 30 %.
•This device may not be used as a production machine nor is it
intended for continuous operation.
The Retsch PP 35 pellet press serves to quickly press-mould different minerals, slag, ores,
cement, raw material etc.
Soil samples, ores, coal, coke, corundum, metal oxides, minerals, plant samples, slag, silicates,
cement, and a lot of other substances can be press-moulded easily and quickly.
The PP 35 pellet press is used successfully in almost all areas of industry and research,
particularly where stringent requirements are set for purity, speed, fineness and reproducibility.
The PP 35 pellet press may only be used as a laboratory device.
6.2 Switching On / Off
The mains switch is located on the back of the device.
6.3 Emergency Unlocking
Der Not The emergency stop switch is located on the front of the device.