Pfaff 571 User manual

571
574
296-12-19 304/002
Instruction Manual engl. 08.15
This instruction manual applies to machines from
the following serial numbers onwards: 7 260 186
and software version 0435/002.
INSTRUCTION MANUAL
591

Reprinting, reproduction and/or translation of PFAFF instruction manuals (including parts
thereof) is only permitted with our prior agreement and citation of the source.
PFAFF Industriesysteme
und Maschinen GmbH
Hans-Geiger-Str. 12 - IG Nord - Germany
D-67661 Kaiserslautern
This instruction manual applies for all of the designs and subclasses listed in
Chapter 3 Technical Data.
The settings manual for the machine can be downloaded at no charge under
www.pfaff-industrial.de/de/service-support/downloads/technical. As an al-
ternative to the Internet download, the settings manual can also be ordered as
a hard copy under order no. 296-12-19 305/002.

Table of Contents
Contents ..................................................................................Page
1Safety .................................................................................................................................... 5
1.01 Directives............................................................................................................................... 5
1.02 General safety instructions .................................................................................................... 5
1.03 Safety symbols ...................................................................................................................... 6
1.04 Special points of attention for the owner-operator ................................................................ 6
1.05 Operating personnel and technical staff ................................................................................ 7
1.05.01 Operating personnel .............................................................................................................. 7
1.05.02 Technical staff........................................................................................................................ 7
1.06 Danger warnings.................................................................................................................... 8
2Proper Use............................................................................................................................ 9
3Technical Data ▲................................................................................................................ 10
3.01 PFAFF 571 ........................................................................................................................... 10
3.02 PFAFF 574 ........................................................................................................................... 11
3.03 PFAFF 591 ........................................................................................................................... 12
4Disposal of the Machine.................................................................................................... 13
5Transport, Packaging and Storage ................................................................................... 14
5.01 Transport to the customer's premises ................................................................................ 14
5.02 Transport within the customer's premises.......................................................................... 14
5.03 Disposal of the packaging materials .................................................................................... 14
5.04 Storage ................................................................................................................................ 14
6Work Symbols.................................................................................................................... 15
7Operating Controls ............................................................................................................ 16
7.01 Main switch ......................................................................................................................... 16
7.02 Buttons on the machine head (only in machines with backtacking system -911/..) ............ 16
7.03 Bobbin thread monitoring using stitch counting .................................................................. 17
7.04 Pedal .................................................................................................................................... 17
7.05 Hand lever to raise the roller presser................................................................................... 18
7.06 Swivelling out the roller presser .......................................................................................... 18
7.07 Button for stitch length regulation ....................................................................................... 19
7.08 Knee lever............................................................................................................................ 19
7.09 Edge trimmer -725/04 for PFAFF 571 .................................................................................. 20
7.10 Edge trimmer -725/04 for PFAFF 574 and 591 .................................................................... 21
7.08 Control panel (only in machines with P40 CD)..................................................................... 22
8Set-up and Initial Commissioning .................................................................................... 23
8.01 Set-up .................................................................................................................................. 23
8.01.01 Setting the table height ....................................................................................................... 23
8.01.02 Inserting the sewing machine into the stand ...................................................................... 24
8.01.03 Assembling the anti-tipping device...................................................................................... 25

Table of Contents
Contents ..................................................................................Page
8.02 Mounting the flange motor.................................................................................................. 25
8.02.01 Mounting the flange motor on the bearing plate ................................................................. 25
8.02.02 Mounting the flange motor on the machine ........................................................................ 26
8.02.04 Mounting the flange motor belt guard................................................................................. 27
8.02.05 Mounting the machine cover............................................................................................... 27
8.02.06 Connecting the safety switch .............................................................................................. 28
8.03 Connecting the plug-in connections and ground cable ........................................................ 29
8.04 Assembling the reel stand ................................................................................................... 30
8.05 Initial start-up ....................................................................................................................... 31
8.06 Switching the machine on / off............................................................................................ 31
8.07 Machine drive home position .............................................................................................. 31
8.08 Checking the start inhibitor function.................................................................................... 31
9Set-up.................................................................................................................................. 32
9.01 Inserting the needle ............................................................................................................ 32
9.02 Winding the bobbin thread, adjusting the thread tension.................................................... 33
9.03 Removing / inserting the bobbin case ................................................................................. 34
9.04 Inserting the bobbin case / adjusting the bobbin thread tension ......................................... 34
9.05 Threading the needle thread / adjusting the needle thread tension
(with the PFAFF 571 and 591) ................................................................................................ 35
9.06 Threading the needle thread / adjusting the needle thread tension
(with the PFAFF 574) ......................................................................................................... 36
9.07 Adjusting the stitch length................................................................................................... 37
9.08 Setting the stitch counting function for the bobbin thread control ..................................... 37
10 Maintenance and Care....................................................................................................... 38
10.01 Maintenance intervals.......................................................................................................... 38
10.02 Cleaning the machine .......................................................................................................... 38
10.03 Oiling the hook..................................................................................................................... 39
10.04 Oil reservoir for hook lubrication.......................................................................................... 39
10.05 Lubricating the bevel gears.................................................................................................. 40
10.06 Topping up the thread lubrication oil reservoir..................................................................... 41
10.07 Parameter settings ............................................................................................................. 41
11 Table Top............................................................................................................................ 42
11.01 Tilt base ............................................................................................................................... 42
11.02 Table top cutout................................................................................................................... 43
11.03 Table top assembly without -725/........................................................................................ 44
11.04 Table top assembly with -725/............................................................................................. 45
12 Wearing Parts..................................................................................................................... 46

Safety
5
1 Safety
1.01 Directives
The machine was built in compliance with the European regulations specified in the declara-
tion of conformity and declaration of incorporation.
As a supplement to this instruction manual, please also observe the generally applicable,
legal and other regulations and legislation – also in the country of use – and the valid
environmental protection regulations! Always comply with the locally applicable regulations
of the professional associations and other supervisory authorities!
1.02 General safety instructions
●The machine may only be operated after you have become acquainted with the associ-
ated instruction manual and only by operating personnel who have received appropriate
training!
●Always read the safety instructions and the instruction manual of the motor manufacturer
before starting up the machine!
●Always follow the hazard and safety instructions attached to the machine!
●The machine may only be operated for its intended purpose and only with the associated
safety covers, while adhering to all the relevant safety requirements.
●The machine must always be disconnected from the power supply by pressing the main
switch or pulling out the mains plug when sewing tools are replaced (such as the needle,
sewing foot, needle plate and bobbin) and when threading, leaving the workstation, or
performing maintenance!
●The daily maintenance work may only be carried out by suitably qualified personnel!
●Repairs and special maintenance work may only be carried out by technical staff or peo-
ple with appropriate training!
●Work on electrical equipment may only be carried out by qualified technical staff!
●Work on parts and equipment under voltage is not permitted!
●Exceptions are regulated by the EN 50110 standards.
●Modifications and changes to the machine may only be made in compliance with all of
the relevant safety requirements!
●Only those replacement parts approved by us for usage may be used for repairs! We
warn you expressly that spare parts and accessories that are not supplied by us are also
not tested and approved by us.
Fitting or using these products may therefore have negative effects on features which de-
pend on the machine design. We are not liable for any damage caused by the use of non-
Pfaff parts.