DES
IG N
ERS AND
M A
NU
FACTURERS
OF SPECIALIZED
MATTRESS
S EW I
CA
TAL
NG
EQ
OG
#9700 12/94
UIP
ME
N T
PBS
Blind
St
itch
700
Ma
chi
ne
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U\'lU&O\D~&[S
97
Rantoul
(508)922-2611 • (800)343-8138 • F
©&u&[SCQ)@
Street,
Beverly,
AX
MA
[617)5
01915
99-7081
Ordering Information
TO
ORDER
TO
ORDER
(Fax & Message Service available 24 hours per day.)
TO
ORDER
Porter
HAVE
1. Customer
2.
Bill
To
3. Fax
4. Person placing
5. Machine Model
6.
Part
Number
Number
PRICES
All prices are F.O.B. Beverly,
at
the
time
Al
l prices are list, unless otherwise
Open
account
lished credit.
Overseas orders
unless otherwise noted.
BY
BY
BY
Sewing
97
Beverly,
THIS
INFORMATION READY:
Number
and Shi
AND
of shipment.
terms
PHONE:
FAX:
(800)343-8138
(617)599-7081
MAIL:
Machines,
Rantoul
MA
p To address
order
Number
or
complete
Street
01915
es
part
Inc.
USA
description
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MA,
and
are valid
noted
extended to firms with estab-
must
be
paid before
shipment
.
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when
ordering
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l Express;
Freight charges
If a customer
costs
are
included
the
parts
air
freight; 3
are
included
is
on
C.O.D. status,
in
shipme
(UPS Red/ Blue/Ground;
the C.O.D. amount.
nt
day
in
is
the
to
be
serv
invoice.
then
made
ice).
shipping
TAXES:
Where
taxes
1\UNIMUM
Due
have established a
RETURNED
Porter
must
1.
2. All parts to
3. Credit for
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the
law requires,
must
be
charged.
ORDERS:
to the rising costs
GOODS:
Sewing
be
All
customers
(Ret
urned
Parts
returned
returned
Porter
the
Porter
by
Porter
Cred
parts
has
strictly
returned
it
ordered
adhered
must ca11
Material Authorization)
to
costomer. We will not
60
days after rece
be
prepaid
Parts
parts
and
credited aga
memos
incorrectly
state
of
handling
minimum
a policy
with
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Department.
will
are
on
to
Porter
out a RMA
must
otherwise
be
issued
not sent.
of
15%
sales
order
returned
to
number
ipt
.
be
upon
inst
the
will
by t
he
and/or
orders,
of
shipped
ins
be iss
costomer.
CLAIMS:
If
a parcel post s
condition, advise
can be filed. All parcel post packages
by
Porter.
arri
ves
damaged, request
nota
tion
on
concealed at the
for
an
inspection
This is necessary
case
of
truck lines,
will give
responsible for
any
hip
ment
us immediately
If
a truck, UPS
the
freight bill.
time
and
in
you
needed
the
safe arrival
reaches
or
the
of
delivery, call the carrier
obtain a
order
to file a claim. In the
must
assistance,
you
so
express
driver to
If
tl1e
damage was
DAMAGE
file the claim. We
but
the carrier is
of
goods.
use
we
$25.00.
parts
obtain a
number.
will
accept
to
truc
ted
inspe
ction
accoun.
ued
in
damaged
that
a claim
are
insured
shipment
make
REPORT
that
RMA
be
parts
by
on
a
L
PBS
700
Blind
Stitch Machine
Contents
OPERATING
Handwheel Rotation
Oiling
Threading Machine ................................................................ ...................................... 5
Adjusting
Replacing Needle ..............................
Needle Recommendation ....... ................................................ ............ ............................ 7
r
ADJUSTMENTS
PARTS DIAGRAMS
Regulating Stitch Length ................................ .............................................. ................. 7
Proper Setting
Cam Shaft Off-Set Specs ................................................................... ............................. 9
Setting
Adjusting Needle Stroke to Presser Foot .............................. ..........................................
Adjusting Feed Dog ..................................................................................................... 1 0
Adjusting Looper ............................ ....................... ...................................................... 11
Adjusting Looper to Needle
Troubleshooting .................................................................... .......................................
Main
Main
Needle
Feed Drive Group ................................... ........................ ............................................
Looper Drive Group ........................................................... ......................................... 17
Feed Frame Group 1 ......................................................................................... ..........
Feed Frame Group 2 ...................................................................................................
Regulating Group ........................................................................................................
Presser Foot Group ........................................................... ...........................................
Covers
Alternate Cover ............. .............................. ..... .
Puller Assembly ...........................................................................................................
Drive Assembly (Front} ............................................................... ................................
Drive Assembly (Rear} ................................. ............................... .................................
Upper Puller ........................ ....................................... ................................................
Puller Shaft ...............................
Gearbox (Front) ..........................................................................................................
Gearbox (Rear} ......................................................................................... ..................
Lower Puller .................................................... ...........................................................
Lower Drive Assembly .................................................................................................
Under Table .................................................................................. ............................
INSTRUCTIONS
and
Speed ............................................................................... ...... 4
and
Maintenance .......... ................................................................. .......... .......... 4
Cam to Needle ......................................... ...................................................... 6
..
........... ................................................................ 7
for
Cam Connection ....................................................... ........................ 8
Cam
Shaft
Stroke .............................................................................................. 9
and
Presser Foot ................................................................
Frame Group .................................................................................................. .
Shaft Group ............................................................................................
Drive
Group ........ ................................................... .........................................
................................... ........ ..............................................................................
..
............. ................. ......... .................
..
................................................. ...............................
..
~:-::
...
..
10
11
12
13
14
15
16
18
19
20
21
22
23
24
26
27
28
29
30
31
32
33
34
INDEX
MEASUREMENT
.................................................................................................................................. .
CONVERSION
CHART
©1994
........................................................................
Porter Sewing Machines, Inc.
..
36
38
4
PBS
700
Blind
Stitch Machine
OPERATING INSTRUCTIONS
Handwheel Rotation
Turn handwheel only in direction away from operator for clockwise rotation.
up to obtain the same clockwise rotation.
1,800
to
2,000 stitches per minute.
become skilled in the operation
Oiling
It
is
in Fig.
Thereafter, one oiling daily will be sufficient.
material.
Do
not
and the feed dog
and
Maintenance (Fig. 1)
important
1.
operate machine without material under the presse
not
When
to operate the machine before oil
breaking in a new machine, oiling should be done sparingly several times a
as
well
as
and
of
the feed
Speed
The
recommended operating speed
Mter a breaking-in period
the machine, the speed can be increased up
of
good quality has been dropped at all points shown
Mter
oiling, wipe machine carefully to avoid soiling
plattens.
FIG 1
r foot.
of
several weeks and after the operator has
This
will prevent damage to the needle
Be
sure motor drive is wired
of
a brand new machine is
to
2200 stitches per minute.
day.
of
the
OPEN
SIDE COVER
TO
OIL
Porter Sewing Machines •
97
Rantoul
OPEN
COV
ER
Street • Beverly,
TO OIL
MA
01915
PBS
700
Blind
Stitch Machine
Threading Machine
Turn handwheel
thest left hand position.
Draw thread from spool
between two tension dis
0 , then down through needle
thread
To thread needle at
lifter, then hold thread between index finger
about 5 em
of
machine
(2
inch
point@,
cs
(F
ig.
2)
in
clockwise direction away from operator until needle lever reaches its fur -
on
thread stand
@, and pass it over rear thread guide
cl
amp hole 0 and pass it from
es)
past needle hole.
swing front plate
and
pass
out
and
it
through eyelet
of
way
thumb.
FIG2
of
@}
, through eyelet
the und
and
depress cylinder
End
of
thre
rear thread guide
of
erside
of
needle hole
out
of
ad
must be stub
0,
then slide
front thread guide
CD.
way with knee
not
feather edge.
it
Leave
Right
"''"'
~
Notlik•~
Wr
ong
Telephone
800-343-8138
or
508-922-2611 •
Fax
617-599-7081
6
PBS
700
Blind
Stitch Machine
Adjusting
POWER
Heel foot treadle
needle
If
the cam
and cam (Fig. 5).
OFF
is
at the left edge
is
pressing up against needle (Fig. 4), turn dial"less" until a 1/32" clearance gap
Cam
FIG3
to
Needle (Figs.
to
depress feed frame and
of
cam slot (Fig.3). Release treadle.
·
3,
4, 5, & 6.)
turn
handwheel away from operator (clockwise) until
FIG4
FIG 5
point
of
is
between needle
To prevent the operator from mistakenly adjusting cam too high with "more/less" dial, loosen
turn threaded
Secure
nut
shaft@
to maintain position (Fig. 6).
clockwise
unit
it
just touches main casting@).
FIGS
nut
at 0
and
Porter Sewing Machines •
97
Rantoul
Street • Beverly,
.MA
01915
PBS
700
Blind
Stitch Machine
7
Replacing Needle
Turn handwheel away from operator (clockwise) until needle
of
reaches the end
Remove old or defective needle by loosening needle clamp screw
0.
Insert new needle into seat in needle clamp @ and needle
lever@)
(0.04") on the left end
screw
Turn handwheel slowly away from operator
ment
slightly on the needle guide groove
presser foot.
Always replace bent or bl
operation
as
far
0.
of
needle. The curved portion
of
its return stroke (extreme left hand position).
as
it will
machine.
(Fig.?)
go.
Make sure hole
of
presser foot 0 and tighten needle
of
needle
and
observe move-
of
the needle should bear
0 in the left hand
unt
needles.
They
affect the satisfactory
is
part
0-1.0
of
m/m
cl
amp
FlG7
0
Needle Recommendation
S
ize
#5-1/2
Regulating Stitch Length (Fig. 8)
Loosen sc
until desired numb er
larger the number
the
securely.
Number
Stitch Length (
NOTE:
area,
rews
0 in stitch regulating collar @
is
reached by indicator notch
by
the notch, the longer the stitch. The smaller @
num
ber by the notch, the shorter
on
Collar
SPI)
Due
to the changing thicknesses
an
end result
of
6-8 SPI will be satisfactory.
5
5
th
e stitch. Tighten screws 0
6
4.2 3.6
and
turn collar @
of
7
of
FIGS
eccentric.
The
9
3
0
material passing between the cam
and
shoe
Telephone 800-343-8138 or 508-922-2611
• Fax
617
-599-
708
1
8
PBS
700
Blind
Stitch Machine
ADJUSTMENTS
Proper Setting
Turn handwh
the right ha
passes over cam to other side
If
cam moves, make the foll
<D
. Bring the point
ing
sc
rewdriver in pla
needle in position with handwheel while pe
If
still
not
backward
& 0 before putting machine into operation.
eel
nd
edge
correct, readjust by loosening screw 0 again, change angle
as nee
for
Cam Connection
away from operator (clockwise) until needle
of
needle guide
owing adjustments: first open top cover plate and loosen screw 0
of
needle back to the rig
ce.
Move eccentric @ forward
ded and retighten screw
0,
Cam
of
presser foot opening@}.
0.
(Fig. 9)
is
on the down stroke.
@ should stop
ht
hand edge
to
rf
orming this operation. Tighten screw
When adju
FIG9
and
should not move until the point
of
needle guide 0 .
backward until cam is at the stop position, hold ing
of
sted satisfactorily, be sure to tighten both screws 0
Then
eccentric 0
When
loosen screw 0 , keep-
needle reaches
of
needle
on
eccentnc
0.
sl
ightly forward
or
0
Porter Sewing Machines •
97
Rantoul Street • Beverly,
A1A
01915
PBS
700
Blind
Stitch Machine
9
Setting
Remove cover
collar
position collar
(F
ig. 9A).
9B
Fig.
a clearance slot for the travel stroke
no interference contact after performing the off-set adjustment.
FIG9B
Cam Shaft Offset (Figs. 9, 9A, & 9B)
(F
ig.
9)
and
loosen screw @ on cam shaft drive
and
L.H. positioning collar (not shown). Loosen R.H.
@ and slide cam shaft
Then
secure both L.H. and R.H. collars.
shows the pivot shaft for the feed plattens.
to
dimension shown in
of
the cam. Be sure there in
The
shaft h
as
l
FIG9A
r
1/8"
OFFSET
DIMENSION
CAM
SHOE
0
Setting Cam Shaft Stroke (Fig. 9 & 9C)
When
adjust cam to
rib's forward movem
the point
be 5 m/m
of
needle
(13/64") between the center
ent
as
Telephone
is
at the cam, open window plat
shown
in
Fig. 9C.
800-343-8138 or 508-922-2611 • Fax 617-599-7081
........_
_____
e,
loosen screw @ and
of
needle and the end position
1--
of
GUIDE
FIG9C
ALIGNMENT
10
PBS
700
Blind
Stitch Machine
Adjusting Needle Stroke
(Figs. 10 & lOD)
Turn
handwheel away from
th
e highest position
dle should be
foot (Fig.
side.
(3/64"
To attain this, loosen eccentr
ic ball screw(;) and
ecce
reaches the above desired
position (Fig.
to
repeat the above adjustment
will be settled
lOD.
If
the dimensions
cannot
screw
ball
lOD).
At
this rig
to
5/32") from the right
ntric
ball@ until needle
so
that
the
be achieved, loosen
G)
and
stud
ID
in (closer to shaft
at
0
to
1.0
And
ht
point,
turn
lOD
).
both
as
per Fig.
of
Fig. 1
slide eccentric
® to mcrease stroke)
(further away from shaft ®
to
decrease stroke).
repeat previous step
dimensions.
Then
to
ope
rator (clockwise), bringing needle
the left side.
m/m
(0.04") from the left hand edge
bring needle
the
point
hand
Be
sure
sides
OD
or
out
0
attain
to
Presser Foot
At
this left point, the hole
to
the end
of
needle should be 1
edge
of
stroke
of
presser foot (Fig.
of
at
the right
to
4
ro
of
nee-
presser
m/m
lOD
FIG 10
~@
0- I.
).
O"l(.
3/
FIG
64"
100
·
Adjusting Feed Dog (Figs.
Feed
Dog
should be 0.8 m
number
Be sure the feed dog 0 clears the
secure feed
of
stit
dog
ch
length is
set
screws@
FIG 11A
Porter Sewing Machines •
/m
at
5 (Fig.
firmly (Fig.
IIA
&
liB)
(1/32") below presser foot and move
llA).
pans
around
liB).
feed
dog 0 whe
FIG
118
97
Rantoul Street • Beverly, .MA
n the
in
parallel with presser foot
number
of stitch length is 9, and
0
01915
when
the
PBS
700
Blind
Stitch Machine
11
Adjusting
Replaceme
Replacing Looper (Fig. 12A)
Loosen
looper in, the shoulder
der
sc
ofloop
Adjusting
and
Looper must clear the chaining finger 0 a
being
of
Make sure the distance between right hand side
rod folk pin
mally 104
The long prong
from the left
prong
12B).
Presser
ju
st above the needle abo
paper at point
of
Looper (Fig. 12A)
nt part
rew 0 to take
er rod
#2200B. [Generic Polished]
out
of
looper should
@)
at
pomt
Looper to Needle
Foot(Figs.
<D.
fi
and rear
m/m
(4-3/32") (Fig. 12A).
of
hand
the looper
face
the looper should
edge
of
needle hole when the long
is
on
the center
loope
r@.
Wh
en putting new
cou
ch the shoul-
0.
12A, 12B & 12C)
nd
clear needle,
ut
the thickn
of
looper rod ball @ is nor-
be 3 m/m
of
ess
the needle (Fig.
FIG 12A
of a sheet FIG
of
looper
(1/8")
128
If
looper touches needle
crews
s
by screwdriver.
stud
• and needle touches short prong
loosen
@)
point
Be
By
wise,
NOTE:
both
side and lower the other side.
Looper should clear chaining finger
point
loosening screws
In
eccentric stud
and does not have any play left or right. Secure by retightening screw
0 and turn the screwdriver slot in eccentric stud @
If
looper
@ clockwise.
nut
G) by wrench.
downward, which will clear short prong
4D
and raise looper at
certain to tighten
turning eccentric
it will raise
With
sides.
4@
case
of
the above adjustment, be sure that looper rod
or
eccentric stud ®, raise or lower looper
and
Move eccentric
0.
4D
is
0 (Figs. 12B & 12C).
or
presser foot at point
is
hitting needle, turn eccentric
If
looper touches presser foot
of
looper at
Then
turn looper rod
point.
all
screws after adjustments are made.
stud@
lower looper at points • and e .
4D.
This will get the desired clearance.
flush against looper and rod carrier
clockwise
Turning looper rod@), raise one
stud@
(Figs. 12A & 12C).
or
• and presser foot at
from left to right by
@,
at
point
point
at
point
of
looper
counterclock-
loosen
C8,
at
on
~
FIG 12C
Telephone 800-343-8138 or 508-922-2611 • Fax
617
-599-7081
12
PBS
700
Blind
Stitch Machine
Troubleshooting
G
Thread
break
Stitches
skip
Cause
Inspection
L
I
Poor-quaHty
Too
Needle insta.ll
Needle, l
foot,
have defective replace
Thread
or weak
Wrong threading
Needlt
Needle point defective
Looper
thread
thin
needle
ed
incorrectly
ooper,
presser
thre
ad passage
tensi
on
too
strong
installed incorrectly
defective
Thread
Thr
ead tension
Looper
quality
blunt
control
or
broken
Use thread
quality
Replace with a thicker
needle
Smooth
•nd
Adjust to
tension
Replace
needle
Smooth
and
repla.ce looper
·~~·
of
good
with
sandpa
polish
with
buff,
correct
with •
good
with
sandpaper
polish with
huff,
per
or
thread
or
1
··
~1
Relative
of
ooper
c.am
or
and
thin nee
cop
dog
needle
clearance betWeen
looper
dle
hit nee dle
bt:tween
roo
great
tension t
installed
or
worn
Needle
Uneven
Stitches
or
loose
Improper
break
stitch
too
feeding
tight
l
needle
Too
Needle inStalled incorrectly
Looper
Clearance
and
Thread
orwuk
Feed
incorrectly
Porter Sewing Machines •
and
are wrong looper
needle
~int
oo strong
out
97
Rantoul
Timing
between
Direction
needl•
Clearance
and
looper
Thread
or
clearance
need
le
and
Rep
lace with a
needle
and
position
of
between
needle
ten
sion
contro
l
Adjust to
tension
Street • Beverly, .MA
correct
thic
ker
thread
01915
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