Pfaff 2571ME PREMIUM Manual

296-12-19 127/002
Aufstellanleitung engl. 11.12
SET-UP INSTRUCTIONS
2571 ME PREMIUM
2574 ME PREMIUM
2591
ME PREMIUM

The reprinting, copying or translation of PFAFF Service Manuals - whether in whole
or in part - is only permitted with our prior consent and with reference to the source.
PFAFF Industriesysteme
und Maschinen AG
Hans-Geiger-Str. 12 - IG Nord
D-67661 Kaiserslautern

Index
Contents ..................................................................................Page
1General Notes ...................................................................................................................... 4
1.01 Explanation of the symbols.................................................................................................... 4
2Scope of delivery ................................................................................................................. 5
2.01 Sewing machine accessories.................................................................................................5
2.02 Sewing Machine Drive Accessories P 320 / P 321 ................................................................ 9
3Stand and table top ........................................................................................................... 10
3.01 Table top cutout ................................................................................................................... 10
3.02 Assembly drawing for the table top (for machines with P 320 / 321) .................................. 11
4Installation ......................................................................................................................... 12
4.01 Assembling the stand and table top .................................................................................... 12
4.02 Adjusting the table-top height.............................................................................................. 13
4.03 Assembling the control unit................................................................................................. 14
4.04 Setting the sewing machine into the stand ......................................................................... 15
4.05 Assemble the mounted motor............................................................................................. 16
4.06 Connecting the plug-in connections and earth cables ......................................................... 17
4.07 Machine drive in home position/ attach drive belt................................................................ 18
4.07.01 For PFAFF 2571 and 2591 ME PREMIUM........................................................................... 18
4.07.02 For PFAFF 2574 ME PREMIUM ........................................................................................... 20
4.08 Mounting the belt guard of the flange motor ...................................................................... 22
4.09 Connecting the safety switch .............................................................................................. 22
4.10 Checking the function of the start inhibitor.......................................................................... 23
4.11 Activate the PREMIUM functions ....................................................................................... 23
4.12 Assembling the LED lamp (optional).................................................................................... 24
4.13 LED light transformer/ Knee switch installation .................................................................. 25
4.14 Assembling the thread guide and take-up lever guard......................................................... 26
4.15 Mounting the control panel.................................................................................................. 27
4.16 Assembling the rear cover and sewing head support.......................................................... 28
5Commissioning .................................................................................................................. 29
5.01 Switching the machine on/off .............................................................................................. 29
6 Circuit diagrams................................................................................................................. 30

4
1 General Notes
The machine may only be set-up and commissioned by qualified personnel!
All notes in Chapter 1Safety of the Instruction Manual must be observed!
There must be suitable electrical connections at set-up site, see Chapter 3
Specifications of the Instruction Manual. A firm, level surface and adequate
lighting must also be available at the set-up site.
If the machine was delivered without a table, both the stand and the table top
intended for use must be constructed for a weight of at least 100 kilos.
1.01 Explanation of the symbols
In these Set-Up Instructions, symbols emphasize operations to be carried out or
important information. The symbols used have the following meaning:
Note, information
Service, repair, adjustment, maintenance
(work to be carried out by qualified staff only
Safety symbols
Danger!
Points to be observed.
Danger of injury for operating and specialist personnel!
General Notes

5
2 Scope of delivery
The scope of delivery of the machine depends on the order.
Before setting up the machine, check whether all the required parts have been included.
The following description only applies to one special sewing machine, for which all individual
components have been delivered by the "PFAFF Industriesysteme und Maschinen AG".
2.01 Sewing machine accessories
Sewing machine accessories Description / No. of pieces
Thread guide and take-up lever
guard with nuts (x3)
Rear cover with screws (1x)
Bobbin 2571 / 91(5x),
2574 (6x)
Reel stand complete (1x)
Scope of delivery

6
Sewing machine accessories Description / No. of pieces
Rear rubber pads with screws (2x)
Front rubber pads (4x)
Hinge with screws (2x)
Sewing head support
Tilt lock (1x)
Oil pan with 5screws and
washers
Oilcan (1x),
Sachet with 80 ml oil,
Dusting brush (1x)
Scope of delivery

7
Scope of delivery
Sewing machine accessories Description / No. of pieces
Allan key 3mm (1x),
Screwdriver large (1x),
Screwdriver small (1x)
Sewing head protective cover
Set-up instructions,
instruction manual for the
machine
Earth cable (3x) , Screw and was-
hers
Knee lever

8
Scope of delivery
Sewing machine accessories Description / No. of pieces
Motor bracket with fixing screws
Drive wheel , Drive belt, belt guard
and approach barrier switch with
Fixing screws
Control panel bracket with control
panel and fixing screws
Transformer for the sewing lamp
(optional)

9
Control package P 321 Description
Motor
Y-Adapter only on the 2574
Control unit with switch,
Fixing screws and
cable
Speed control unit with holder and
fastening screws, and
connecting rod to the pedal
2.02 Sewing Machine Drive Accessories P 320 / P 321
Scope of delivery

10
3 Stand and table top
3.01 Table top cutout
906-4001-154
Vers. 14.01.10
Stand and table top
- 0,5
115
108
24,5 0
+0,2
170
24,5 0
+0,2
510
R22
209 0
+0,5
644
R 23 (2x)
R 9 (4x)
14 0
+0,4
(2x)
14 0
+0,4
(2x)
R 8 (4x)
R 15 (2x)
50 0
+0,4
(2x)
R 9 (2x)
50 0
+0,4 (2x)
40
5 - 0,5
0
R 10 (2x)
R 10 (2x)
5 - 0,5
0
677,5
-0,5
N.M.
AA
B
B
19 - 0,5
0
A-A
17 - 0,5
0
(2x)
B-B

11
Stand position
906-3750-010/895
30
100
230
275,6
90 56 70
7587
360
20
30
115
0 / 1
View: Underside table top
Speedcontrolunit
Controlbox P 320 / P 321
3.02 Assembly drawing for the table top (for machines with P 320 / 321)
Stand and table top

12
4 Installation
4.01 Assembling the stand and table top
●Assemble the stand (part no. 906-3750-010/895) and table top as shown in the following
illustration.
The stand and table top must
be constructed for a weight
of at least 100 kg.
●When assembling the table top,
please observe the assembly drawing
(Chapter 3.02).
Fig. 4- 01
6x40 (4x)
3x20 (6x)
Stand
906-3750-010/895
4,2x13 (4x)
M10x20 (4x)
4x30 (4x)
Installation

13
●Loosen screw 1.
●Adjust the table tap to the required working height by increasing or reducing the height
of the stand and then level the table-top horizontally.
To avoid the stand tilting, adjust it evenly on both sides.
●To guarantee that the stand is standing securely, it must be positioned securely on the
ground with all four legs.
●The height can be adjusted with screw 2.
Fig. 4 - 02
4.02 Adjusting the table-top height
1
2
1
Installation

14
Fig. 4 - 03
4.03 Assembling the control unit
●Fit the control box 1to the table top with four screws 6x30.
●Attach the mains switch 2to the table top with two screws 6x30.
●Screw the mains cable of the control box 1to the table top with a mains lead cleat.
●Assemble the speed control unit 3and attach it to the table top with two screws 6x30.
●Mount the pedal on the stand’s cross-bar, aligning the middle of the pedal with the
centre of the needle.
●Fit connection rod 4to speed control unit 3and to the pedal.
●The slant of the pedal can be adjusted after loosening screw 6(slant angle approx. 10°).
6x30 (2x)
6x30 (2x)
6x30 (2x)
3
4
5
5
1
6x30 (4x)
2
Installation

15
4.04 Setting the sewing machine into the stand
●Attach each of the hinges 1to the sewing head with two screws M6x 16.
●Attach tilt lock 2with a M5x 6screw.
●Set the sewing machine into the table top.
Installation
Fig. 4 - 04
1
2

16
4.05 Assemble the mounted motor
●Fix bearing plate 1on to motor 2using screws 3, as shown in fig. 4-05.
●Remove the wedge from motor shaft 4.
●Attach angle bracket 5with screws 6.
●Mount drive belt wheel 7onto motor shaft 4so that screw 8is positioned with the hub in
the drive shaft slot.
●Screw threaded bolts 9into bearing plate 1.
●Use screw 10 to fix motor 2bearing plate 1to the machine housing (tighten screws 10
only a little).
Fig. 4 - 05
1
2
3
4
5
6
7
9
8
10
10
Installation

17
Installation
Fig. 4 - 06
4.06 Connecting the plug-in connections and earth cables
●Plug in all connectors to control unit 1according to their description (see chapter
6 Circuit Diagrams).
●Insert plug 2from the adapter cable to bush X3.
●Connect the motor to the "Motor" plug and the synchronizer to the "Extern" plug.
Attention
Plugging in the connector incorrectly can damage the control unit!
●Attach the following ground cables in order to discharge static electricity.
●Securely attach ground cable from sewing head to ground point A.
●Securely attach ground cable 2from the motor to ground point B.
●Use a ground cable to connect ground point Cand ground point A.
●Securely attach ground cable from the main switch to ground point A.
X15
Fadenwächter
X11/A
CAN-BUS
X11/B
Sollwertgeber
X1/A
RS 232/1
X1/B
SSI
Eingänge
X5
Ausgänge
X13
ATTENTION
Danger of exchange
ACHTUNG
Vertauschungsgefahr
X3
X8
Motor
SM3
X6/A
X6/B
RS 232/2
X4/B
SM1
X4/A
SM2
X10
SBF
C
1
3
B
M6x16
A
2

18
4.07 Machine drive in home position/ attach drive belt
4.07.01 For PFAFF 2571 and 2591 ME PREMIUM
●Switch machine on.
●Press button TE 2x (LED lights up)
●Input code number by pressing the relevant buttons(ex works, the standard code is
set to "2500".
●Select parameter group "603" by pressing the +/- button.
●Confirm selection by pressing "+" on the +/- button on the right
●Turn the motor shaft by hand until the display shows the value "8 ± 2"
2.5 2.5
●Confirm selection by pressing "+" on the +/- button on the right
CODE:2500
NO
603
25
0
2x
●Select parameter group "600" by pressing the +/- button.
NO
600
NO VAL
101 II
NO
603 8
Installation

19
●Attach drive belt 2while ensuring that both motor shaft 1and machineare not twisted.
●Pivot motor bearing plate 3so that drive belt 2is taut.
●Tighten screws 4in this position.
●Finish input by pressing TE/Speed.
●Turn the handwheel in the direction of rotation until the needle point (approaching from
above) is on the upper edge of the needle plate.
1
2
4
3
4
Fig. 4 - 07
Installation

20
4.07.02 For PFAFF 2574 ME PREMIUM
●Attach drive belt 1.
●Swing the bearing plate 2 of the motor, so that thedrive belt 1 is tensioned.
●In this position tighten screws 3.
●Switch machine on.
Fig. 4 - 07 1
1
3
2
3
●Press button TE 2x (LED lights up)
2.5 2.5
●Confirm selection by pressing "+" on the +/- button on the right.
2x
●Select parameter group "600" by pressing the +/- button.
NO
600
NO VAL
101 II
Installation