Newlong P-7 Instruction Manual
NEWLONG
/
•'
Industml
Sewing
Machine
INSTRUCTION
PORTABLE
MODEL
SACK
MANUAL
P-7
SEWING
MACHINE
V.
NSWLONG
Kr
MACHINE
TOKYOV
s.
N.
Vj^O^KS,
JAPAN.
LTD.
INDEX
SPECIFICATIONS 1
I.
GENERAL DESCRIPTION 1
II.
DRIVE
MECHANISM
m.
HOW
TO
OPERATE 2
1. Oiling 2
2. Needle Selling 2
3.
Threading
IV.
START
V.
GENERAL
VI.
ADJUSTMENT
CARE
2
2
3
3
3
1.
Thread
2. Position of
Tension
Needle
Bar
and
Looper 3
3. Position of Feed Dog 4
4.
VE.
MAINTENANCE
Vin.
HOW
Pressure
TO
of
Presser
CHANGE
Foot
& LUBRICATION 5
PARTS
3
5
6
SPECIFICATIONS
TECHNICAL
Speed
Seam
Stitch
Range
DETAILS
sec/bag
mm.
Revolution rpm.
Needle
Thread
Drive
Po\wer
Net
Machine
Motor
Supply
Weight
Dimension
vinylon
kgs
mm.
Packing Dimension eft.
STANDRD
1.
Needles
2.
Thread
3.
Screw
4.
Pincette
5.
Needle
6.
Oil
7.
Oiler
ACCESSORIES
DNxl-#25
Vinylon 20 x 6
Driver
Bar
Spanner
5 - 8
Single Thread Chain Stitch
7.2
(fixed!
1,000
DNxl-
#25
20
X 6
45
W
110,
120or220
Single
Phase
5.2 Including
235(1)X245(W)X295(HI
2.5
v., A. C. 50 -60c/s.
Thread
Cone,
10 pcs.
1
cone
2
pcs.
1
pee.
1
pee.
1
can
1
set
Shoulder Belt.
I.
GENERAL
DESCRIPTION
This is the portable type filled bag closer, which closes any kinds of bags such as kraft
paper, gunny, cotton,
liser,
chemicals
You may find the closer is very convenient, since it
and
P. P.
woven cloth, P.E.film
etc.
and etc., for cement, sugar, flour, ferti
can
be
used
to close
where and anytime. It is also used for re-packing of damaged bags in
during
transportation.
Closed
the
bags
by the
seamischain
bag
stitched.
closer, is easily
opened
— 1 —
by just pulling the
end
bagsatany
warehouse
of seam,
or
because
II.
DRIVE
MECHANISM
Main Shaft is driven by pulley which is
belt. The movement of Lower Shaft controls
Lower,
Main Shaft drives Looper directly
Shaft.
These
Needle
three
Bar
and
movements of
Needle
Needle,
by intermediary of Eccentric Cam. At the same time, the
end
connected
with motor pulley by means of timing-
Crank
Connecting
Rod,
Needle
also regulates movement of Feed Dog through Feed
Looper
and
Feed
Dog ore so controlled to
that Looper picks up thread which Needle is in its upward movement and chain stitch is
accomplished. At this instance, Feed Dog is protruded
bag
forward.
III.
HOW
TO
OPERATE
above
the
Needle
Plate
1. Oiling
Oiling is important and necessry treatment to keep the machine in good condition for
a long time. Put oil in oil hole of machine marked with
2.
Needle
Turn the pulley or knob located at the end of
highest
Loosen
go.
Be sure to set a
Looper
Fix
Setting
motor
position.
the Needle Bar Clamp Nut, and set Needle in the Needle Bar as
Needle
side.
the Clamp Nut
tightly,
so that the
concave
part of
otherwise Needle shall break during operation.
shaft
needle
"OIL"
before operation.
until
Needle Bar reaches its
faces
correctly towards the
deep
Bar
each
Crank
and
as it
other
put
will
\
3. Threading
The machine is delivered being threaded to
show you proper threading of the machine.
Proper
threading
in Fig. 1 for
guide
number
1;
Thread
Guide
Thread
Tension
Q)
Tension
(3)
Thread
Guide
11
Needle
v6>
(NJeedle
your
Disc
(tar
of the
reference.
of 1 to 6.
Guide
machineisshown
Follow the
- 2 -
FIG.
1
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