Pfaff 3511-3/01 User manual

3511
296-12-19 278/002
Instruction Manual engl. 07.15
This instruction manual applies to machines
from the serial number 2812 105 and software
version 1_912_26 onwards.
INSTRUCTION MANUAL
-3/01

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
D-67661 Kaiserslautern
This instruction manual applies for all models and subclasses listed in chapter 3
Technical Data.
The adjustment manual for the machine can be downloaded at no charge
under www.pfaff-industrial.de/de/service-support/downloads/technical.
As an alternative to the Internet download, the adjustment manual can also be
ordered as a hard copy under order no. 296-12-19 279/001.

Table of Contents
Contents ..................................................................................Page
1Safety .................................................................................................................................... 6
1.01 Directives............................................................................................................................... 6
1.02 General safety instructions .................................................................................................... 6
1.03 Safety symbols ...................................................................................................................... 7
1.04 Special points of attention for the owner-operator ................................................................ 7
1.05 Operating personnel and technical staff ................................................................................ 8
1.05.01 Operating personnel .............................................................................................................. 8
1.05.02 Technical staff........................................................................................................................ 8
1.06 Danger warnings.................................................................................................................... 9
2Proper Use.......................................................................................................................... 10
3 Technical Data s............................................................................................................ 11
3.01 PFAFF 3511-3/01 ................................................................................................................. 11
4Disposal of the Machine.................................................................................................... 12
5Transport, Packaging and Storage ................................................................................... 13
5.01 Transport to the customer's premises ................................................................................ 13
5.02 Transport within the customer's premises.......................................................................... 13
5.03 Disposal of the packaging materials .................................................................................... 13
5.04 Storage ................................................................................................................................ 13
6Work Symbols.................................................................................................................... 14
7Operating Controls ............................................................................................................ 15
7.01 Main switch ......................................................................................................................... 15
7.02 Light barrier.......................................................................................................................... 15
7.03 Pedal .................................................................................................................................... 16
7.04 Hand lever to raise the sewing foot..................................................................................... 16
7.05 Control panel........................................................................................................................ 17
7.05.01 Plus/minus keys................................................................................................................... 17
7.05.02 Plus/minus keys................................................................................................................... 18
7.05.03 Plus/minus keys................................................................................................................... 18

Table of Contents
Contents ..................................................................................Page
8Set-up and Initial Commissioning .................................................................................... 21
8.01 Set-up .................................................................................................................................. 21
8.01.01 Setting the table height ....................................................................................................... 21
8.01.02 Inserting the sewing machine into the stand ...................................................................... 22
8.02 Connecting the plug-in connections and ground cable ........................................................ 24
8.03 Assembling the reel stand ................................................................................................... 25
8.04 Initial start-up ....................................................................................................................... 26
8.05 Switching the machine on / off............................................................................................ 27
8.06 Checking the start inhibitor function.................................................................................... 27
8.04 Machine drive home position .............................................................................................. 27
9Set-up.................................................................................................................................. 28
9.01 Inserting the needle ............................................................................................................ 28
9.02 Winding the bobbin thread, adjusting the thread tension.................................................... 29
9.03 Removing / inserting the bobbin case ................................................................................. 30
9.04 Inserting the bobbin case / adjusting the bobbin thread tension ......................................... 30
9.05 Threading the needle thread / adjusting the needle thread tension ................................... 31
9.06 Entering the stitch length .................................................................................................... 32
9.07 Entering the start and end backtacks .................................................................................. 32
9.08 Inserting and removing the SD memory card...................................................................... 33
9.09 Inserting the workpiece ....................................................................................................... 34
9.09.01 Loading the sewing template .............................................................................................. 34
9.09.02 Inserting the sewing template............................................................................................. 35
10 Sewing ................................................................................................................................ 36
10.01 Manual sewing .................................................................................................................... 36
10.02 Programmed sewing ........................................................................................................... 38
10.03 Entering the authorisation code........................................................................................... 40
10.04 Creating / changing seam construction diagrams................................................................ 41
10.04.01 Creating a seam construction diagram in "teach-in mode"................................................... 41
10.04.02 Changing seam construction diagrams................................................................................ 45
10.05 Error messages.................................................................................................................... 46

Table of Contents
Contents ..................................................................................Page
11 Input .................................................................................................................................. 47
11.01 Program management ......................................................................................................... 47
11.01.01 Calling up program management......................................................................................... 47
11.01.02 Displaying programs in the machine memory ..................................................................... 48
11.01.03 Displaying programs and the machine data on the SD memory card.................................. 49
11.01.04 Coping programs and machine data onto the SD memory card.......................................... 50
11.01.05 Copying all programs and machine data onto the SD memory card.................................... 51
11.01.06 Copying single programs and machine data in the machine memory ................................. 52
10.01.07 Copying all programs and machine data in the machine memory ....................................... 53
11.01.08 Deleting programs in the machine memory ........................................................................ 54
11.01.09 Deleting programs and machine data on the SD memory card........................................... 55
11.01.10 Formatting the SD memory card ......................................................................................... 56
11.02 Parameter settings .............................................................................................................. 57
11.02.01 Selecting the user level ....................................................................................................... 57
11.02.02 Example of a parameter entry ............................................................................................. 58
11.02.03 List of parameters................................................................................................................ 59
11.03 Error messages and description .......................................................................................... 64
11.04 Sewing motor errors............................................................................................................ 64
11.05 Errors on the SD memory card ............................................................................................ 64
12 Maintenance and Care....................................................................................................... 65
12.01 Maintenance intervals.......................................................................................................... 65
12.02 Cleaning the machine .......................................................................................................... 65
12.03 Topping up the oil tank ........................................................................................................ 66
12.04 Checking / setting the air pressure ...................................................................................... 66
12.05 Cleaning the maintenance unit air filter ............................................................................... 67
12.06 Cleaning the blower air filter................................................................................................ 67
13 Wearing Parts..................................................................................................................... 68

Safety
6
1 Safety
1.01 Directives
The machine was built in compliance with the European regulations specified in the
declaration 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
OThe 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!
OAlways read the safety instructions and the instruction manual of the motor manufactur-
er before starting up the machine!
OAlways follow the hazard and safety instructions attached to the machine!
OThe machine may only be operated for its intended purpose and only with the associated
safety covers, while adhering to all the relevant safety requirements.
OThe 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!
OThe daily maintenance work may only be carried out by suitably qualified personnel!
ORepairs and special maintenance work may only be carried out by technical staff or peo-
ple with appropriate training!
OWork on electrical equipment may only be carried out by qualified technical staff!
OWork on parts and equipment under voltage is not permitted!
OExceptions are regulated by the EN 50110 standards.
OModifications and changes to the machine may only be made in compliance with all of
the relevant safety requirements!
OOnly 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
depend on the machine design. We are not liable for any damage caused by the use of
non-Pfaff parts.

Safety
7
1.03 Safety symbols
Hazard point!
Special points of attention.
Risk of injury to operating personnel or technical staff!
Electric voltage!
Danger to operating personnel or technical staff
Caution!
Do not operate without finger guard and safety covers!
Turn off the main switch before threading, changing the
bobbin or needle, cleaning, etc.!
1.04 Special points of attention for the owner-operator
OThis instruction manual is a part of the machine and must be made available to the
operating personnel at all times. The instruction manual must have been read before the
initial start-up.
OThe operating personnel and technical staff must be instructed about the machine's
safety covers and about safe working methods.
OThe owner-operator may only operate the machine in a flawless condition.
OThe owner-operator must ensure that no safety covers are removed or disabled.
OThe owner-operator must ensure that only authorised persons work on the machine.
Additional information can be requested from the responsible sales centre.

Safety
8
1.05 Operating personnel and technical staff
1.05.01 Operating personnel
Operating personnel are persons responsible for equipping, operating and cleaning the
machine and for fault clearance in the sewing area.
The operating personnel are obligated to comply with the following points:
OThe safety instructions provided in the instruction manual must be followed for all work!
OAny work method jeopardising machine safety must be refrained from!
OTight-fitting clothing must be worn. The wearing of jewellery such as chains and rings is
prohibited!
OCare must be taken to ensure that no unauthorised persons are located in the machine's
hazard zone!
OAny changes occurring on the machine which impair its safety must be reported to the
owner-operator immediately!
1.05.02 Technical staff
Technical staff are persons with technical training in electricity/electronics and mechanics.
They are responsible for lubricating, servicing, repairing and adjusting the machine.
The technical staff are obligated to comply with the following points:
OThe safety instructions provided in the instruction manual must be followed for all work!
OTurn off the main switch and secure it against reactivation before starting any adjustment
and repair work!
ONever work on live parts and equipment!
Exceptions are regulated by the EN 50110 standards.
OReattach the safety covers following repair and maintenance work!

Safety
9
Fig. 1 - 01
1.06 Danger warnings
A work area of 1mmust be kept free in front of and behind the machine to
ensure unobstructed access at all times.
Do not reach into the needle range during the sewing operation!
Risk of injury from the needle!
Do not allow any objects to be placed on the table during the adjustment work!
The objects could become jammed or be slung away!
Risk of injury from parts flying around!
Do not operate the machine without the take-up lever guard 1!
Risk of injury due to the motion of the take-up lever!
Do not operate the machine without the cover 2!
Risk of injury due to moving parts!
Do not operate machines with an integrated motor without the start inhibitor 3!
Risk of injury due to accidental machine start-up!
Do not operate the machine without the support 4! Risk of damage due to the
top-heavy sewing head!
Machine can tip over backwards when moving it!
1
3
2
4

Proper Use
10
2 Proper Use
The PFAFF 3511-3/01 is a high-performance, single-needle high-speed seamer for run-
stitching small parts.
The machines are used for sewing lockstitch seams in the clothing industry.
Any usage not approved by the manufacturer is deemed misuse!
The manufacturer shall assume no liability for damage caused by misuse!
Proper use also includes compliance with the operating, maintenance,
adjustment and repair measures specified by the manufacturer!

Technical Data
11
3 Technical Data s
3.01 PFAFF 3511-3/01
Stitch type:.........................................................................................................301 (lockstitch)
Needle system:...............................................................................................................134 KK
Design B: ......................................................... for the machining of medium-weight materials
Trimming margin (depending on the design): ..................................................... 3.5 or 5.0 mm
Needle size in 1/100 mm .............................................................................................. 90 - 110
Thread thickness max.:........................................................................................................ 120
Stitch length max:..........................................................................................................3.5 mm
Needle bar stroke: ..........................................................................................................30 mm
Speed max.:................................................................................................3000 stitches/min l
Clearance beneath the sewing foot:............................................................................4 - 6 mm
Passage width: .............................................................................................................300 mm
Clearance height: ..........................................................................................................125 mm
Bed plate dimensions: ............................................................................................... 516 x 177
Dimensions: of the sewing head with table top
Length:........................................................................................................... approx. 1250 mm
Width: ..............................................................................................................approx. 800 mm
Height (above table):........................................................................................approx. 300 mm
Ambient temperature
85% rel. humidity (condensation not permitted) ......................................................... 5 - 40 °C
Connection data:
Operating voltage: ................................................................................ 230 V ± 10%, 50/60 Hz
Max. input power:...........................................................................................................400 VA
Fuse protection:...................................................................................................1 x 16 A, inert
Leakage current: .......................................................................................................... < 5 mAu
Working air pressure.......................................................................................................... 6 bar
Air consumption.......................................................................................... 15 l / working cycle
Noise data:
Emissions sound pressure level in the workplace at n = 2700 min-1:.............. LpA = 78 dB(A) n
(Noise measurement in accordance with DIN 45 635-48-A-1,ISO 11204, ISO 3744,
ISO 4871)
Net weight of sewing head with stand:............................................................. approx. 107 kg
Gross weight of sewing head with stand: ......................................................... approx. 147 kg
sSubject to alterations
lDepending on the material, workstep and stitch length
uDue to the use of network filters there is a nominal leakage current of < 5 mA.
nKpA = 2,5 dB

Disposal of the Machine
12
4 Disposal of the Machine
OIt is up to the customer to dispose of the machine properly.
OThe materials used for the machine include steel, aluminium, brass and various plastics.
The electrical equipment consists of plastics and copper.
OThe machine must be disposed of in accordance with the locally valid environmental
protection regulations, with a specialised company being contracted if necessary.
Please ensure that parts coated with lubricants are disposed of separately in
accordance with the locally valid environmental protection regulations!

Transport, Packaging and Storage
13
5 Transport, Packaging and Storage
5.01 Transport to the customer's premises
All machines are completely packed for delivery.
5.02 Transport within the customer's premises
The manufacturer assumes no liability for transport within the customer's premises or to the
individual usage sites. Please ensure that the machines are only transported in a vertical po-
sition.
5.03 Disposal of the packaging materials
The packaging materials of these machines consists of paper, cardboard and VCI fleece. It is
up to the customer to dispose of the packaging properly.
5.04 Storage
The machine can be stored for up to 6months when not in use. It must then be protected
from dirt and moisture. For longer storage periods, the machine's single components, espe-
cially its sliding surfaces, must be protected against corrosion, e.g. by an oil film.

Work Symbols
14
6 Work Symbols
Activities to be performed or important information in this instruction manual are
emphasised by symbols. The symbols used have the following meaning:
Note, information
Cleaning, care
Lubrication
Maintenance, repairs, adjustment, service work
(only to be carried out by technical staff)

Operating Controls
15
7.02 Light barrier
OThe LED 1in the light barrier indicates
the following status:
- LED lights up green = reception
indicator.
- LED flashes green = setting aid / soiling
indicator
- LED lights up yellow = output indicator
OThe key 2on the light barrier is used to
adjust the light barrier, see chapter 14.11
Setting the light barrier in the adjust-
ment manual.
Fig. 7 - 02
7 Operating Controls
7.01 Main switch
Before switching on the ma-
chine, raise the take-up lever as
far as possible.
OTurning the main switch 1switches the
machine on and off.
Fig. 7 - 01
1
BA-P-114_Fig-7-01
1
2

Operating Controls
16
7.03 Pedal
OWith the main switch turned on.
The functions of the pedal depend
on the selected operating mode, see
chapter 10 Sewing.
OIn manual sewing:
0 = Neutral position
+1= Sewing
- 1= Raise sewing foot
- 2= Trim thread
OIn programmed sewing:
0 = Neutral position
+1= Start sewing cycle
- 1= No function
- 2= Seam stop
0
-2
-1
Fig. 7 - 03
+1
Fig. 7 - 04
7.04 Hand lever to raise the sewing foot
OTurning the hand lever 1raises the
sewing foot.
1

Operating Controls
17
7.05 Control panel
The control panel is used to display and access machine functions for set-up and sewing, to
enter parameter values and to read error messages and service settings.
The control panel has the following operating and display controls:
OThe display 1comprises a two-line alphanumeric LCD display with 16 characters per line
and is used to display the corresponding information and selection parameters.
OThe plus/minus keys 2are used for selecting or altering the functions and parameters
shown on the display.
OThe function keys 3are used for turning the corresponding function on and off.
Switched-on functions are each indicated by the lit LED.
Fig. 7 - 05
1
3
2
7.05.01 Plus/minus keys
In addition to clear texts and set values, the following symbols appear on the display. The
symbols exclusively appear in programmed sewing, see chapter 10.02 Programmed
sewing.
Current program number
Current seam zone
Number of seam zones
Number of stitches in the current seam zone
Maximum speed in the current seam zone
Current stitch length
SD memory card
Machine memory
Enter
Program with corners
Delay stitches

Operating Controls
18
The selection and changing of setting values (e.g. entering the backtack stitches) can be
carried out using the corresponding +/- keys. At the same time the set value shown above is
changed slowly at first by pressing and holding the corresponding plus or minus key. If the
key is held pressed for longer, the set value changes more quickly.
7.05.03 Plus/minus keys
If a function is on, this is always indicated by the correspondingly lit LED.
Detailed explanation of functions:
Start backtack
OThe seam lock at seam start (start backtack) is turned on or off by pressing this key.
The number of forward stitches (A) or reverse stitches (B) of the start backtack can be
changed respectively by pressing the +/- key underneath. To convert from double back-
tack to single backtack, reset the number of stitches (A).
End backtack
OThe seam lock at seam end (end backtack) is turned on or off by pressing this key. The
number of reverse stitches (C) or forward stitches (D) can be changed respectively by
pressing the +/- key underneath. To convert from double backtack to single backtack,
reset the number of forward stitches (D).
Edge trimming
OThe "Edge trimming" function is switched on or off by pressing this key.
Template drive
OThe "Template drive" function is switched on or off by pressing this key.
Foot position after thread trimming
OThe "Foot position up after thread trimming" function is turned on or off by pressing this
key. If this function is on, the sewing foot is raised after the thread has been trimmed.
Thread trimming
OThe "Thread trimming" function is switched on and off using this key.
7.05.02 Plus/minus keys
Fig. 7 - 06
A
BC D
3
33 3

Operating Controls
19
Alternating sewing
OPressing this key will switch between the linked programs.
Stitching / correcting seam programs
OThe "Stitch / correct seam programs" function is switched on by pressing this key. The in-
dividual seam sections of a program can be stitched one after the other and corrected if
necessary by pressing the pedal.
PM / mode
OIf this key is pressed, the programmed sewing function is switched on or off.
The program-specific parameters are shown in the alphanumeric part of the display.
Scroll
OIf this key is pressed, the input menus on the display are scrolled through.
TE
OIf this key is pressed, the machine changes from sewing mode to the parameter entry
function.
OThe "teach-in" mode is called up by pressing this key in the seam construction diagram
function.
OThe changed values are saved and sewing mode is called up by pressing this key from
the parameter entry function.
OProgram management is called up by pressing this key twice, see chapter 11.01 Pro-
gram management.
Piece counter
OThe piece counter is switched on or off by pressing the key. The actual value is shown
on the display when the function is switched on
Support reel
OThe support reel function for the corresponding seam zone of the seam construction
diagram is switched on or off by pressing the key in the seam programming function.
The support reel in the corresponding seam zone extends in programmed sewing with
the seam construction diagram.
Corner programming
OThe corresponding function is switched on or off by pressing the key. The corner pro-
gramming for the corresponding seam zone of the seam construction diagram is per-
formed when the function is switched on.
Turning corners
OThe corresponding function is switched on or off by pressing the key. The "Turn corners"
function for the current seam zone is performed according to the distance indicated on
the display when the function is switched on.
F1 (cycle time)
OThe cycle time display (duration of a seam sequence) is switched on or off on the display
by pressing the key.

Operating Controls
20
F2 (setting aid for the edge trimmer)
OThe corresponding function is switched on or off by pressing the key.
The edge knife moves to the trimming position in manual sewing when the function is
switched on.
F3
OAfter calling up the corresponding "PC" (piece counter) function, the piece counter is
reset by pressing this key, see chapter 10.03.03 Switching on the edge trimmer with a
time delay (waistband extension)
Start inhibitor
OThe start inhibitor is switched on or off by pressing the key. The sewing or seam
sequence cannot be started when the function is switched on.