Pfaff 6500 Series User manual

This instruction manual applies to machines
from the following serial numbers onwards:
# 6 500 396
296-12-19 190/002
Betriebsanleitung engl. 12.11
INSTRUCTION MANUAL
Serie 6300
Serie 6500
Serie 6700

This Instruction Manual is valid for all models and subclasses listed in the
chapter "Specifications".
The reprinting, copying or translation of PFAFF Instruction Manuals, whether in whole or
in part, is only permitted with our previous authorization and with written reference to the
source.
PFAFF Industriesysteme
und Maschinen AG
Hans-Geiger-Str. 12 - IG Nord
D-67661 Kaiserslautern

Index
Contents ..................................................................................Page
3
1Safety .................................................................................................................................... 5
1.01 Regulations ............................................................................................................................ 5
1.02 General notes on safety......................................................................................................... 5
1.03 Safety symbols ...................................................................................................................... 6
1.04 Important notes for the user.................................................................................................. 6
1.05 Notes for operating and technical staff .................................................................................. 7
1.05.01 Operating staff ....................................................................................................................... 7
1.05.02 Technical staff ........................................................................................................................ 7
1.06 Danger warnings.................................................................................................................... 8
2Proper use............................................................................................................................. 9
3Specifications ..................................................................................................................... 10
3.01 General specifications ......................................................................................................... 10
3.02 Specifications of the 6504 ................................................................................................... 11
3.03 Specifications of the 6314, 6514, 6714................................................................................ 11
3.04 Specifications of the 6516, 6716.......................................................................................... 12
3.05 Specifications of the 6544 ................................................................................................... 12
4Disposal of Machine .......................................................................................................... 13
5Transportation, packing and storage................................................................................ 14
5.01 Transportation to customer‘s premises ............................................................................... 14
5.02 Transportation inside the customer‘s premises................................................................... 14
5.03 Disposal of packing materials ..............................................................................................14
5.04 Storage ................................................................................................................................ 14
6Explanation of symbols..................................................................................................... 15
7Controls .............................................................................................................................. 16
7.01 On/off switch ....................................................................................................................... 16
7.02 Pedals (on machines without automatic presser-foot) ......................................................... 16
7.03 Pedal (on machines with elektronic motor).......................................................................... 17
7.04 Stop button for stitch length adjustment ............................................................................. 17
7.05 Sewing foot retracting lever................................................................................................. 18
7.06 Cloth plate stop lever ........................................................................................................... 18
7.07 Lever for selecting the differential feed setting.................................................................... 19
7.08 Lever for top feed setting (series 6700 only) ....................................................................... 19
7.09 Adjustment screw for sewing foot pressure ....................................................................... 20

Index
Contents ..................................................................................Page
4
8Installation and commissioning ....................................................................................... 21
8.01 Installation............................................................................................................................ 21
8.01.01 Adjusting the table-top height.............................................................................................. 21
8.01.02 Tightening the V-belt ............................................................................................................ 22
8.01.03 Fitting the top belt guard...................................................................................................... 22
8.01.04 Mounting the bottom V-belt guard ....................................................................................... 23
8.01.05 Chain for securing the pedal ................................................................................................ 23
8.01.06 Mounting the reel stand ...................................................................................................... 24
8.01.07 Connecting the plug-in connections and earth cables.................................................... 25
8.02 Commissioning .................................................................................................................... 25
8.03 Switching the machine on/off ............................................................................................. 26
9Setting up ........................................................................................................................... 27
9.01 Inserting the needle / Threading the thread ......................................................................... 27
10 Care and maintenance....................................................................................................... 28
10.01 Maintenance intervals.......................................................................................................... 28
10.02 Cleaning the machine .......................................................................................................... 28
10.03 Cleaning the hook compartment ......................................................................................... 29
10.04 Checking the oil level ........................................................................................................... 29
10.05 Oiling the machine ............................................................................................................... 30
10.06 Oiling the thread lubrication................................................................................................. 31
10.07 Changing the oil ................................................................................................................... 32
10.08 Changing the knife ............................................................................................................... 33

Safety
5
1 Safety
1.01 Regulations
This machine is constructed in accordance with the European regulations indicated in the
conformity and manufacturer‘s declarations.
In addition to this instruction manual, please also observe all generally accepted, statutory
and other legal requirements, including those of the user‘s country, and the applicable pol-lu-
tion control regulations!
The valid regulations of the regional social insurance society for occupational accidents or
other supervisory authorities are to be strictly adhered to!
1.02 General notes on safety
●The machine must only be operated by adequately trained operators and only when the
instruction manual has been fully read and understood!
●All notices on safety and the instruction manual of the motor manufacturer are to be read
before the machine is put into operation!
●All notes on the machine concerning danger and safety must be observed!
●The machine must be used for the purpose for which it is intended and must not be ope-
rated without its safety devices; all regulations relevant to safety must be adhered to.
●When part sets are changed (e.g. needle, presser foot, needle plate or feed dog or during
threading, when the workplace is left unattended and during maintenance work, the ma-
chine must be disconnected from the power supply by turning off the on/off switch or re-
moving the plug from the mains!
●Daily maintenance work must only be carried out by appropriately trained persons!
●Repairs and special maintenance work must only be carried out by qualified technical
staff or persons with appropriate training!
●During maintenance or repairs on the pneumatic system the machine must be discon-
nected from the compressed air supply! The only exception to this is when adjustments
or function checks are carried out by appropriately trained technical staff!
●Work on the electrical equipment must only be carried out by technical staff who are qua-
lified to do so!
●Work on parts or equipment connected to the power supply is not permitted! The only
exceptions to this are specified in regulations EN 50110.
●Conversion or modification of the machine must only be carried out under observation of
all relevant safety regulations!Haftung.
●Only spare parts which have been approved by us are to be used for repairs! We draw
special attention to the fact that spare parts and accessories not supplied by us have not
been subjected to testing nor approval by us. Fitting and/or use of any such parts may
cause negative changes to the design characteristics of the machine. We shall not ac-
cept any liability for damage caused by the use of non-original parts.

Safety
6
I
1.03 Safety symbols
Danger!
Special points to observe.
Danger of injury to operating or technical staff!
Caution
Do not operate without finger guard and safety devices.
Before threading, changing bobbin and needle, cleaning
etc. switch off main switch.
1.04 Important notes for the user
●This instruction manual belongs to the equipment of the machine and must be available
to the operating staff at all times.
●This instruction manual must be read before the machine is operated for the first time.
●Both operating and technical staff must be instructed on the safety devices of the mach-
ine and on safe working methods.
●It is the duty of the user to operate the machine in perfect running order only.
●The user must ensure that none of the safety devices are removed nor put out of work-
ing order.
●The user must ensure that only authorized persons operate and work on the machine.
For further information please refer to your PFAFF agency.

Safety
7
1.05 Notes for operating and technical staff
1.05.01 Operating staff
Operating staff are the persons responsible for setting up, operating and cleaning the mach-
ine and for removing any disturbances in the sewing area.
The operating staff are obliged to observe the following points, and must:
●always observe the notes on safety in this instruction manual!
●avoid using any working methods which adversely effect the safety of the machine!
●avoid wearing loose-fitting clothing or jewelry such as necklaces or rings!
●also ensure that only authorized persons are allowed near the danger area of the
machine!
●immediately report to the user any changes to the machine that may affect its safety!
1.05.02 Technical staff
Technical staff are persons who have been trained in electrical engineering, electronics,
pneumatics and mechanical engineering. They are responsible for lubricating, servicing, re-
pairing and adjusting the machine.
The technical staff are obliged to observe the following points, and must:
●always observe the notes on safety in this instruction manual!
●switch off the on/off switch before carrying out adjustment and repair work and ensure it
cannot be switched on again unintentionally!
●never work on parts or equipment still connected to the power supply! Exceptions to this
are only permissible according to regulations EN 50110;
●disconnected the machine from the compressed air supply when carrying out mainte-
nance or repair work on pneumatic equipment!
●Exceptions to this are only permissible for function checks;
●replace all safety covers after carrying out maintenance or repair work!

Safety
8
Only operate the machine with cover 1closed!
Danger of injury from moving machine parts!
Do not operate the machine without finger guard 2!
Danger of injury from the needle!
Do not operate the machine without eye shield 3!
Danger of injury from needle fragments which might fly out!
Do not place hands in the knife area 4!
Danger of injury from the knife!
Do not operate the machine without belt covers 5and 6!
Danger of injury from the drive belts!
1.06 Danger warnings
A working area of 1mmust be kept free both in front of and behind
the machine, so that easy access is possible at all times.
Never put your hands in the sewing area during sewing!
Danger of injury by the needle!
While setting or adjusting the machine do not leave any objects on the table nor
in the needle plate area! Objects may be trapped or slung out of the machine!
Fig. 1 - 01
1
2
3
45
6

Proper use
9
2 Proper use
The machines of the series PFAFF 6300 are single or double-needle overedge sewing
machines with stub arm and differential bottom feed.
The machines of the series PFAFF 6500 are single or double-needle overedge sewing
machines with differential bottom feed.The machines of the series
PFAFF 6700 are single or double-needle overedge sewing machines with differential top
and bottom feed.
These machines are used for producing closing and blindstitch seams.
Any and all uses of this machine which have not been approved of by the
manufacturer are considered to be inappropriate! The manufacturer cannot be
held liable for any damage caused by the inappropriate use of the machine!
The appropriate use of the machine includes the observance of all operational,
adjustment, maintenance and repair measures required by the manufacturer!

10
Specifications
3 Specifications▲
3.01 General specifications
Stitch type: ................................................................................................................. see table
Needle system: .............................................................................................................. DCx27
Needle size: ..............................................................................................65 – 130 Nm (#9-21)
Motor data: .................................................................................see motor specification plate
Noise data:
Emission sound level at workplace at a speed of 4800 spm: ....................... LpA = 80.0 dB(A) ■
(Noise measurement in accordance with DIN 45 635-48-B-1, ISO 11204, ISO 3744, ISO 4871)
Sewing head dimensions:
Length: ............................................................................................................approx. 300 mm
Width: .............................................................................................................. approx. 370 mm
Height: ............................................................................................................approx. 250 mm
Standard base dimensions:
Length: .......................................................................................................... approx. 1060 mm
Width: .............................................................................................................. approx. 600 mm
Height: ............................................................................................................approx. 820 mm
Net weight (sewing head):....................................................................................approx. 29 kg
Gross weight of sewing head (with packaging): ..................................................approx. 39 kg
▲Subject to alterations
■K
pA = 2,5 dB

11
Specifications
3.02 Specifications of the 6504
Typ of machine Number of needles Number of threads Number of threads Seam width (mm) Stitch length (mm) Material clearance (mm) Max. sewing speed (spm) Stitch type
6504-01/S23-4 1 3 - 3; 4 3,8 5 8500 504
6504-02/S33-4 1 3 - 3; 4 3,8 5 8500 504
6504-32R2/S23-1,5 1 3 - 1,5 3,2 5 7000 504
6504-32R2/S23-3 1 3 - 1,5 3,2 5 7000 504
6504-82/S23-4 1 3 - 3; 4 3,8 5 8500 504
6505-12/S23-4 1 3 - 3; 4 3,8 5,5 8500 505
3.03 Specifications of the 6314, 6514, 6714
Typ of machine Number of needles Number of threads Number of threads Seam width (mm) Stitch length (mm) Material clearance (mm) Max. sewing speed (spm) Stitch type
6514-01/S34-2x4 2 4 2 3, 4, 5 3,8 5 8000 514
6514-03/M34-2x4 2 4 2 3, 4, 5 3,8 5,5 7500 514
6514-83/M34-2x4 2 4 2 3, 4, 5 3,2 5 7500 514
6714-03/M34-2x4 2 4 2 3, 4 3,8 5,5 7500 514
6314-03/M34-2x4 2 4 2 3, 4, 5 3,8 5,5 7500 514
6314T-03/M34-2x4 2 4 2 3, 4, 5 3,8 5,5 7500 514

12
Specifications
3.04 Specifications of the 6516, 6716
Typ of machine Number of needles Number of threads Number of threads Seam width (mm) Stitch length (mm) Material clearance (mm) Max. sewing speed (spm) Stitch type
6516-02/S25-3x5 2 5 3 4, 5 3,8 5 7500 516
6516-03/S35-5x5 2 5 5 5, 6 3,8 5 7500 516
6716-03/S35-5x5 2 5 5 5, 6 3,8 5 7500 516
6516H-05/H35-5x6 2 5 6 5, 6 5 5 6000 516
3.05 Specifications of the 6544
Typ of machine Number of needles Number of threads Number of threads Seam width (mm) Stitch length (mm) Material clearance (mm) Max. sewing speed (spm) Stitch type
6544-53/M36-5x2x4 3 6 5x2 4 3,8 5,5 7000 401;
514

Disposal of Machine
13
4 Disposal of Machine
●Proper disposal of the machine is the responsibility of the customer.
●The materials used for the machine are steel, aluminium, brass and various plastic
materials. The electrical equipment comprises plastic materials and copper.
●The machine is to be disposed of according to the locally valid pollution control regula-ti-
ons; if necessary, a specialist ist to be commissioned.
Care must be taken that parts soiled with lubricants are disposed of separately
according to the locally valid pollution control regulations!

Transportation, packing and storage
14
5 Transportation, packing and storage
5.01 Transportation to customer‘s premises
The machines are delivered completely packed.
5.02 Transportation inside the customer‘s premises
The manufacturer cannot be made liable for transportation inside the customer‘s premises
nor to other operating locations. It must be ensured that the machines are only transported
in an upright position.
5.03 Disposal of packing materials
The packing materials of this machine comprise paper, cardboard and VCE fibre. Proper dis-
posal of the packing material is the responsibility of the customer.
5.04 Storage
If the machine is not in use, it can be stored as it is for a period of up to six months, but It
should be protected against dust and moisture.
If the machine is stored for longer periods, the individual parts, especially the surfaces of
moving parts, must be protected against corrosion, e.g. by a film of oil.

Explanation of symbols
15
6 Explanation of symbols
In this instruction manual, work to be carried out or important information is accentuated by
symbols. These symbols have the following meanings:
Note, information
Cleaning, care
Lubrication
Maintenance, repairs, adjustment, service work
(only to be carried out by technical staff)

Controls
16
7.02 Pedals (on machines without automatic presser-foot)
●With the on/off switch on
0= Machine stop
+1= Sew
+ 2= Raise presser foot
Fig. 7 - 02
7 Controls
7.01 On/off switch
●The power supply to the machine is swit-
ched on or off by turning switch 1.
Fig. 7 - 01
1
0+1 +2

Controls
17
7.04 Stop button for stitch length adjustment
●To adjust the stitch length, press stop
button 1and turn the balance wheel 2at
the same time.
Fig. 7 - 03
0 +1
-1
7.03 Pedal (on machines with elektronic motor)
●With the on/off switch on
0= Machine stop
+1= Sew
+ 2= Raise presser foot
1
Fig. 7 - 04
2

Controls
18
Fig. 7 - 06
7.05 Sewing foot retracting lever
●After pressing lever 1, the sewing foot 2
can be retracted.
Before retracing the sewing
foot, raise the needle bar to its
highest position by turning the
balance wheel.
7.06 Cloth plate stop lever
●After pressing lever 1, the cloth plate 2
can be retracted.
Fig. 7 - 05
1
2
1
2

Controls
19
7.07 Lever for selecting the differential feed setting
●The differential feed setting is selected
on lever 1. Loosen the nut 2to change
the setting.
●Use the adjustment screw 3for fine ad-
justment.
7.08 Lever for top feed setting (series 6700 only)
●The top feed setting is selected on l
ever 1. Loosen the nut 2to change the
setting.
●Use the adjustment screw 3for fine
adjustment.
Fig. 7 - 08
1
2
3
Fig. 7 - 07
1
2
3

Controls
20
7.09 Adjustment screw for sewing foot pressure
●Sewing foot pressure must be set in
such a way as to ensure correct feed of
the work piece.
●The setting is adjusted on the adjustment
screw 1.
Fig. 7 - 09
1