Pfaff 1245 User manual

1245
1246
Instruction
manual
2962-17
841
Betriebsanleitung
engi.
10.97

This
Instruction
manual
is valid
for
all
models
and
subclasses
listed
in
the
_______
chapter
,,Specifications”.
The
reprintng,
copying
or
translation
of
PFAF
Instruction
Manuals,
whether
in
whole
or
in
part,
is
only
permitted
with
our
previous
permission
and
with
written
reference
to
the
source.
G.M.
PFAFF
Aktiengesellschaft
Postfach
3020
D
- 67653
Kaiserslautem
Königstr.
1
54
D
- 67655 Kaiserslautern
Editing/Illustrations
Verlag-TO
D-77901
Lahr

Index
Contents
Chapter
-
Page
1
Safety
1-1
1 .01
Directives
1
- 1
1
.02
General
notes
on
safety
1
-
1
1
.03
Safety
symbols
1
- 2
1
.04
Important
points
for
the
user
1
-
2
1
.05
Operating and
specialist
personnel
1
3
1
.05.01
Operating
personnel
1
-
3
1
.05.02 Specialist
personnel
1
-
3
1.06
Danger
1-4
2
Proper
use
2
-
1
3
Specifications
3
-
1
3.01
PFAFF1245
3-1
3.02
Possible
models
and
subclasses
3
-
1
3.03
Max.
number
of
stitches/min 1
3
-
2
3.04
PFAFF1246
3-3
3.05
Possible
models
and
subclasses
3
-
3
3.06
Max.
number
of
stitches/mm 1
3-4
4
Disposal
of
the
machine
4
-
1
5
Transport,
packaging
and
storage
5
-
1
5.01
Transport
to
the
customer
5
-
1
5.02
Transport
within
the
customer’s
premises
5
- 1
5.03
Disposal
of
the
packaging
5
-
1
5.04
Storage
5
-
1
6
Explanation
of
the
symbols
6
-
1
7
Controls
7
-
1
7.01
On/off
switch
7
-
1
7.02
Pedals (on
machines
with
subclass
-91
0/01>
7-
1
7.03
Pedal
(on
machines
with
automatic
presser-foot
lifter (subclass
-910/98)
7
-
1
7.04
Key
on
the
machine
head
(for
machines
with backtacking
mechanism
-91
1/97)
7
- 2
7.05
Lever for
lifting
the
presser
foot
7
-
2
7.06
Feed
regulator
/
reverse
sewing
7
-
3
7.07
Feed
regulator
on
machines
with
backtacking
mechanism
-91 1/97
7
-
3
7.08
Adjustment
nut
for
the top-feed
stroke
7
-
4
FAFF

Index
Contents
. Chapter -
Page
8
Mounting
and
commissioning
the machine
8-1
8.01
Mounting
8-1
8.01.01
Adjusting
the
table-top
height
8
-
1
8.01.02
Adjusting
the
V-belt
tension
8
-
2
8.0103
Mounting
the
upper
V-belt
guard
8
-
2
8.01.04
Mounting
the
lower
V-belt
guard
8
-
3
8.01
05
Mounting
tilt-over
safeguard
8
- 3
8.01 .06
Mounting
the
spool
holder
8
-
4
8.0107
Mounting
the sewing
lamp
8
-4
8.02
Commissioning
the machine
8
-
5
8.03
Switching
the
machine on/off
8
-
5
9
Preparation
9
-
1
9.01
Inserting
the
needle
in
the
PFAFF
1245
9
-
1
9.02
Inserting
the
needle
in
the
PFAFF
1246
9-2
9.03
Winding
the
bobbin
thread,
adjusting
the
thread
tension
9
-
2
9.04
Removing/Threading
the
bobbin
case
9
-
3
9.05
Inserting
the
bobbin
case
/
Adjusting
the
bobbin
thread tension
9
-
3
9.06
Threading
the
needle thread
/
Adjusting
the
needle thread tension
in
the
PFAFF
1245
9- 5
9.07
Threading
the
needle thread I
Adjusting
the
needle
thread
tension
in
the
PFAFF
1246
9
- 6
10
Care
and
maintenance
10-
1
10.01
Servicing and
maintenance
intervals
10
-
1
10.02
Cleaning
10
-
1
10.03
General
lubrication
10
-
2
10.04
Lubricating
the
hook
10
-3
10.05
Lubricating
the
head
10
- 4
1
0.06
Lubricating
the top-feed
drive
excentric
10
-
4
10.07
Checking
the
air
pressure
10-5
10.08
Emptying
/
Cleaning
the
water
container
of
the
air
filter
10
-
5
11
Adjustment 11-1
11
01
Tools,
gauges
and other
accessories
for
adjusting
11
- 1
11
.02
Notes
on
adjusting
11
-
1
PFAFF

Index
Contents
,
Chapter Page
11 .03
Abbreviations
11 - 1
1
1.04
Adjusting
the
basic
machine
11
-
2
11
.04.01
Positioning
the feed
dog
across
the
direction
of
sewing
11 - 2
11
.04.02
Positioning
the
feed dog
in
the
direction
of
sewing
11
-
3
11
.04,03
Height
of
the
bottom
feed-dog
11
-
4
11
.04,04
Pre-adjusting
the
needle
height
1
1
- 5
1
‘1
.04,05
Centering the
needle
in
the needle
hole
11
-
6
11
.04.06
Lifting
motion
of
the bottom
feed-dog
11
- 7
11
.04.07
Driving
motion
of
the
bottom
and
top
feeds
11
- 8
11
.04.08
Hook-to-needle
clearance,
needle
rise, needle
height
and needle
guard
11 - 9
11
.04.09 Top-feed
stroke
11-11
11.04.10
Lifting
motion
of
the
top
feed
11-12
1 1
.04.11
Bobbin-case
opener
11-13
11,04,12
Safetyclutch
11-14
11
.0413
Needle
thread
tension release
11-15
11.04,14
Thread
check
spring
11-16
11.04.15
Thread
check
spring
on
PFAFF
1246
with
thread
trimmer -900/56
11-17
11.04.16
Bobbin
winder
11-18
11.04.17 Presser-foot
pressure
11-19
11
.05
Adjusting
the thread
trimmer -900/56
11-20
11
.05.01
Pre-adjusting
the control
cam
11-20
11.05.02
Tripping
lever
11-21
11
.05.03
PawI
11-22
11.05.04
Engaging
solenoid
11-23
11.05.05
Release
trip
11-24
11 .05.06
Engaging
lever
11-25
11
.05.07
Linkage
rod
11-26
11
.05.08
Final
adjustment
of
the
control
cam
11-27
11 .05.09 Catch
11-28
11.05.10
Connecting
rod (for PFAFF
1246
only)
11-29
11.05.11
Thread-catcher
height
11-30
11.05.12
Knife
11-31
11.05.13
Thread
catcher
reverse
position
11-32
11.05.14
Bobbin-thread
clamp spring
11-34
11
.05.15 Tension
release
bar
11-36
11.05.16
Positioner
11-38
PFAFF

Safety
Safety
1.01
Directives
This
machine
is
constructed
in accordance
with
the
European regulations
contained
in
the
conformity
and
manufacturer’s
declarations.
In
addition
to
this
Instruction
Manual,
observe also
all
generally accepted, statutory
and
other
regulations
and
legal
requirements
-including those
of
the
country and
all
valid
environ
mental
protection
regulations!
The
regionally
valid
regulations
of
the
social
insurance society
for
occupational
accidents
or
other
supervisory
organisations
are
to
be
strictly
adhered
to!
1.02
General
notes
on
safety
•
This
machine
may
only
be
operated by
adequately
trained
operators
and
only
after
having
completely
read and
understood
the
Instruction
Manual!
•
All
Notes
on
Safety
and
Instruction
Manuals
of
the
motor
manufacturer
are
to
be
read
before
operating
the
machine!
•
The
danger
and
safety
instructions
on
the
machine
itself
are
to
be
followed!
•
This
machine
may
only
be
used
for
the
purpose
for
which
it
is intended
and
may
not
be
operated
without
its
safety
devices.
All
safety
regulations
relevant to
its
operation
are
to
be
adhered
to.
•
When
exchanging
sewing
tools
(e.g.
needle,
presser
foot,
needle
plate,
feed
dog
or
bobbin),
when
threading the
machine,
when
leaving
the
machine
unattended
and
during
maintenance
work,
the
machine
is
to
be
separated
from
the
power
supply
by
switching
off
the
On/Off
switch
or
by
removing
the
plug
from
the
mains!
•
Everyday
maintenance
work
is
only
to
be carried
out
by
appropriately trained
personnel!
•
Repairs
and special
maintenance
work
may
only
be
carried out
by
qualified service
staff
or
appropriately trained
personnel!
•
When
servicing
or
carrying
out
repairs
on
pneumatic devices,
the
machine
is
to
be
removed
from
the
compressed
air
supply! The
only
exceptions
to
this
are
adjustments
and function
checks
carried
out
by
appropriately
trained
personnel!
• Work
on
electrical equipment
may
only
be
carried out
by
appropriately
trained personnel!
•
Work
is
not
permitted
on parts
and
equipment
which are
connected
to
the power supply!
Exceptions
to
this are
only
to
be
found
in the
regulations
EN
50110.
• Modifications
and
alterations
to
the
machine
may
only
be carried
out
under
observance
of all
the
relevant safety
regulations!
•
Only
spare
parts
which
have
been
approved by
us
are
to
be
used
for
repairs!
We
expressly
point
out
that
any
replacement
parts
or
accessories
which
are
not
supplied
by
us
have not
been
tested
and
approved
by
us. The installation
and/or
use
of
any
such
products
can
lead
to
negative
changes
in
the
structural
characteristics
of
the
machine.
We
shall
not be liable
for
any
damage
which
may
be
caused
by
non-original
parts.
PFAFF

Safety
1.03
Safety
symbols
Danger!
I
•
\
Points to
be
observed.
Danger
of
injury
for
operating
and specialist personnel!
1.04
Important
points
for
the user
•
This
Instruction
Manual
is
a
component
part
of
the machine
and must
be
available to
the
operating
personnel
at
all times.
•
The
Instruction
Manual
must
be
read
before operating the machine
for
the
first
time.
•
The
operating and specialist
personnel
is
to
be
instructed
as to
the safety equipment
of
the
machine
and regarding
safe
work
methods.
•
It
is
the
duty
of
the
operator
to
only
operate
the
machine
in
perfect
running
order.
•
It
is
the
obligation
of
the
operator
to
ensure
that
none
of
the
safety
mechanisms
are
removed
or
deactivated.
•
It
is
the
obligation
of
the operator
to
ensure
that
only authorized
persons
operate
and
work
on
the
machine.
Further
information
can be
obtained
at
your
PFAFF
agent.
‘FAFF
1-2

Safety
t05
Operating
and
specialist
personnel
1
.05.01
Operating
personnel
Operating
personnel
are
persons
responsible
for
the
equpping,
operating
and cleaning of
the
machine
as
well
as
taking
care
of
faults
arising
in
the
sewing
area.
The
operating
personnel
is
obliged
to
observe the
following
points and
must:
•
always
observe
the
Notes
on
Safety
in
the
Instruction
Manual!
•
never
use
any
working
methods
which
could
limit
the
level
of
safety
in
using
the
machine!
•
not
wear
loose-fitting
clothing
or
jewellery
such as
chains
or
rings!
•
also
ensure
that
only
authorized
persons
operate
the
machine.
•
always immediately report
to
the
user
any
changes
in
the
machine
which
may
limit
its
safety!
1 .05.02
Specialist
personnel
Specialist
personnel
are
persons
with a
specialist
education
in the
fields
of
electrics,
electronics
and
mechanics.
They
are
responsible
for
the
lubrication,
maintenance,
repair and
adjustment
of
the
machine.
The
specialist
personnel
is
obliged to
observe
the
following
points and
must:
•
always
observe
the
Notes
on
Safety
in
the
Instruction
Manual!
•
switch
off
the
On/Off
switch
before
carrying
out
adjustments
or
repairs and
ensure
that it
cannot
be
switched
on
again
unintentionally!
•
never
work
on
parts
which
are
still
connected
to
the
power
supply!
Exceptions are
contained
only
in the
regulations
EN
50110.
•
when
servicing
or
carrying out
repairs
on
pneumatic
devices,
remove
the machine
from
the
compressed
air
supply!
The
only
exceptions
to this
are function
checks.
•
replace
the
protective coverings
and
close the
electrical
control
box
after
all
repairs
or
maintenance
work!
1-3
PFAFI

Safety
1.06
Danger
A
I,”
A
I,”
A
/f\
V
A
A working
area
of
1 metre
is
to
be
kept
free
both
in
front
of
and
behind
the
machine
while
it
is in
operation
so
that
it is
always easily
accessible.
Never
reach
into
the
sewing
area
while
sewing! Danger of
injury by
the
needle!
Never
leave
objects
on
the
table
or
in
the
needle plate
area
while
adjusting
the
machine
settings!
Objects
can
become
trapped or
be
slung
away!
Danger
of
injury!
On
mechanically
activated
clutch
motors
without
an
actuating
lock,
wait
until
the
motor
has
come
to
a
standstifll
Danger
of injury!
Do
not
operate
the
machine
without the
take-up
lever guard
1!
Danger
of
injury
due
to
the
movement
of
the
take-up
lever!
Do
not
operate
the
machine
without the
finger
guard
2!
Danger
of injury
by
the
moving
needle!
Fig.
1
-01
‘FAFF
1-4

Safety
A
I—”
Do
not operate
the
machine
without
tilt-back
safeguard
3!
Danger
of crushing
between
upper
part
and
table
top!
Do
not
operate
the
machine
without
belt
guards
4
and
5!
Danger
of injury
by the
revolving
V-belt!
4
1-03
1-5
PFAFF

Proper
use
2
Proper
use
PFAFF
1245
The
PFAFF
1245
is
a
single
needle,
flatbed
sewing
machine
with bottom,
top
and
needle
feeds
as
well as
a
large
vertical
hook
for
sewing
lockstitch
seams.
The machine
is
designed
for
commercial
use
(industry).
PFAFF
1246
The
Pfaff
1246
is
a
two-needle,
flat
bed
sewing
machine
with bottom,
top and
needle
feed
as
well as
vertical
sewing
hook
for
lockstitch
seams.
The
machine
is
intended
for
commercial
(industrial)
use
only.
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!
‘FAFF
2-1

Specifications
3
Specifications•
3.01
PFAFF
1245
Stitch
type:
301 (!ockstitch)
Needle
system
134-35
Needle
thickness
in
1/100 mm:
ModeIC’
110-140
Max.
thread
thickness
(synthetic
A):
Model
C:
20/3
Max.
stitch
length:
Model
N
6.0
mm
Model
N8
8.0
mm
Handwheel
eff.
dia.:
80
mm
Max.
speed
see
chapter
3.03
Dimensions
of
machine:
Length
approx.
570
mm
Width
approx.
177mm
Height
approx.4lOmm
Clearance width
265
mm
Clearance
height
115 mm
Fabric
clearance
(presser
foot raised)
14
mm
Net
weight
(machine
head):
approx. 40
kg
Power
supply
190-
240
V
50
/
60
Hz,
1
phase
Power consumption
max.
600
VA
Fuse
protection
1
x
16
A,
delayed
action
Working
air
pressure
6
bar
Air
consumption
—0.8
I
/
work cycle
Working
noise
level:
Emission
at
workplace
-
n=2300spm
82d8(A)
Noise
measurement
in
accordance
with
DIN
45
635-48-A-i
•
Subiect
to
alteration
A
Or
comparable
thicknesses
of
other
thread
types
3.02
Possible
models
and
subclasses
Model
C
For
processing
medium-heavy
materials
Additional
equipment:
Subclass -900/56
Thread
trimmer
Subclass -910/
Automatic
presser-foot
lifter
Subclass
-91
1
/
Bartacker
3-1
PFA

Specifications
3.03
Max.
number
of
stitches/min 1
Top
feed
lift
Max.
number
of Max.
number
of
stitches/min’
for stitches/mirr 1
for
stitch
stitch
lengths
up
to
6
mm
lengths
from 6
mm to
8
mm
less
than 3.5
mm
2800
2600
from
3.5
to
5.5
mm
2500 2500
from
5.5 to
7
mm
2000
2000
PFAFF
3-2

Specifications
3o4
PFAFF
1246
Stitch
type
301
(lockstitc
Needle
system:
134-:
Needle
thickness
in
1/1
00
mm:
ModeIB 80-1<
ModelC
110-1
Max.
thread
thickness
(synthetic’):
Model
B
4C
Model
C
2C
Max.
stitch
length:
Model
BN
and
CN
6.0
m
Model
CN8
8.0
m
Handwheel
eff.
dia
80
m
Max.
speed
see
chapter
3.(
Dimensions
of
machine:
Length approx. 570
m
Width
approx.
177
m
Height
approx.410m
Clearance
width:
265
rn
Clearance
height
115
rr
Fabric
clearance
(presser
foot
raised> 14
m
Net
weight (machine
head) approx.
40
Power supply
190
- 240
V
50/
60
Hz,
1 pha
Power consumption
max.
600’
Fuse protection
1
x
16
A,
delayed
acti
Working
air
pressure
6
t
Air
consumption
—0.8
I
/work
cyc
Working
noise
level:
Emission
at
workplace
n
= 2200 spm:
82
dB
Noise
measurement
in
accordance
with
DIN
45
635-48-A-i
•
Subject
to
alteration
“
Or comparable
thicknesses
of
other
thread
types
3o5
Possible
models
and
subc’asses
Model B
For
processing
medium
materi
Model C
For
processing
medium-heavy
materi
Additional
equipment:
Subclass -900/56
Thread
trimrr
Subclass
-910/04 Automatic
presser-foot
hf
Subclass -911/35
Bartac)
3-3
PFA

n1
-
x
3
3
()
—
C
(71
—
D
Top
feed
lift
0
CD
S”
b-i
0,
3
-4-.
0
3
Cl)
C,
Max,
number
of
stitches/mm
for
CD
N)
N)
(I)
(0 aaa
stitch
lengths
up
to
6
mm
and
a
a
a
needle
gauge
of
up
to
10
mm
Max.
number
of
stitches/mm
for
—
N) N)
N)
(71
a
a
a
stitch
lengths
up
to
6
mm
and
a
a
a
needle
gauge
of
more
than
10
mm
Max.
number
of
stitches/mm’ 1
for
N)
N)
(0
4
01
o
a
stitch
lengths
from
6
mm
to
8
mm
aa
a
and
needle
gauge
of
up
to
10
mm
Max.
number
of
stitches/mm’ 1
for
-
N) N)
01
—
stitch
lengths
up
to
6
mm
to
8
mm
a
a
a
a
a
a
and
needle gauge
of
more than
10
mm
c)

Disposal
of
the
machine
4
Disposal
of
machine
waste
•
The
proper disposal
of
machine waste
is the
responsibility
of the
customer.
•
The materials
used
on
the
machines
are steel,
aluminium,
brass
and
various plastics.
The
electrical
equipment consists
of
plastics and
copper.
•
The
machine
waste is
to
be disposed
of in accordance
with
the locally
valid
environmental
protection
regulations. If
necessary
a
specialist
is
to be commissioned.
Special
care
is
to be
taken that
parts
soiled with
lubricants
are
separately
disposed
of in
accordance
with the
locally
valid
pollution control
regulations
I
4-1
PFAFI

Transport
packaging
and
storage
5
Transport
packaging and
storage
5.01
Transport
to
the customer’s
premises
Within
the
Federal
Republic
of
Germany,
the
machine
is
delivered without packaging.
Machines
for
export
are
packaged
in
a
crate
or wrapped depending
on
how
they
are
transported.
5.02
Transport
within
the
customer’s
premises
The
manufacturer
carries
no
liability
for
transport
within the
customer’s premises.
Care
is
to be
taken
to
transport the
machine
in
an
upright
position only.
5.03
Disposal
of
the
packaging
The
packaging
of
the
machine
consists
of
wood,
paper,
cardboard and
VCE
fibre.
The
proper
disposal
of
the
packaging
is the
responsibility
of
the
customer.
5.04
Storage
The
machine
can
be
stored
for
up
to
6
months
if
not
in
use.
During
this
time
it should
be
protected
from dust
and
moisture.
For
longer
storage
the
individual parts
of
the
machine, especially
the
moving parts, should
be
protected
against
corrosion
e.g.
by
a
film
of
oil.
FAFF
5
1

Explanation
of
the
symbols
6
Explanation
of
the
symbols
in
the
following
section
of
this
Instruction
Manual,
certain
tasks
or
important
pieces of
information
are
accentuated
by
symbols.
The
symbols
used
have
the
following
meanings:
Note, information
Cleaning,
care
Lubrication,
greasing
Servicing, repairing,
adjustment,
maintenance
(only
to
be
carried
out
by
specialist
personnel>
6-1
PFAI

7
7.01
Controls
On/off
switch
Controls
•
Turn
the machine
on
and
off by
switching
the
on/off
switch
1
on
and off.
When
the
machine
is
on,
the
light
in
the switch
is
also
on.
The
switch
in
the
illustration can
be
found
on
machines
with
Quick
motors.
When
other
motors
are
used, the switch
may
not
look
the same.
With
the
on/off
switch
on
0
Machine
stop
+1
=
Sew
-
1
=
Trim
thread (on
machines
with
thread
trimmer)
+2
=
Raise
presserfoot
;-
®\
0
N
N
N
Fi
7O1
7.02
Pedals
(on
machines
with
subclas
-910/01)
+2
0
+1
Fg.
7-02
-1
FAFF
7-1

Controls
7.03
Pedal
(on
machines
with
automatic
presser-foot
lifter
-910/98)
With
the
on/off
switch
on
0
=
Machine
stop
+1
=
Sew
- 1
=
Raise presserfoot
-
2
=
Trim thread
(on
machines
with threac
trimmer)
7.04
Key
on
the
machine
head
(for
machines
with
backtacking
mechanism
-91
1/97)
•
Switch
to
reverse
sewing
by
pressing
key
1
while sewing.
0
1
-1 -2
Fiq
7-03
Fig
7-04
7-2
PFAI