HIGHLEAD GK600 SERIES Instruction Manual
HIGH
LEAD
Purchasing
Dept
Copy
GK600 SERIES
High-speed
Stretch
Sewing Machine
Instruction
Manual
Parts Catalog
SHANGHAI
HUIGONG
N0.3
SEWING
MACHINE
FACTORY
-
INTRODUCTION
-
Thank
you very much for purchasing
600
Series
machine.
This instruction manual describes daily routine maintenance and safety precautions to keep the machine
in the best possible conditions.
Please study this manual very carefully before operating the machine.
CHUTION
OBSERVE
THESE
SAFETY
PRECAUTIONS
Though Pegasus takes the utmost care to produce safe sewing machines and devices, operators
should follow these basic safety rules.
• To prevent accidents, do not remove safety devices
or
parts while
operating
the machine.
• Do not leave tools
or
other unnecessary objects on the machine
table
while operating the ma-
chine.
• Before maintenance, adjusting, cleaning, threading or replacing the needle, and to prevent acci-
dents, be sure the power is turned off,
Check
that the machine will
not
operate when the pedal is
pressed.
NOTE
In
case a crutch type motor
is
used;'it will keep on rotating by inertia after turning
off
power supply
CD.
If
the machine pedal ®
is
stepped on inadvertently, it
is
dangerous because the machine will move
unexpectedly. Keep
on
stepping on the machine pedal ® until the machine comes to a stop after turning
offpower supply
CD.
e Turn the
power
off
before leaving the machine table.
e
In
the event
of
a power failure, be sure to turn the machine off.
• Check that the machine
is
securely grounded.
CONTENTS
Ill
BEFORE
OPERATING
1. Lubrication
........•..............................•..........•...••
·-
..........
1
2.
Manual lubrication
................
·
.....................................
-
..........
2
3.
Filling
the
HR
device with silicon oil
.••........•.......•.......•................•••..
3
4.
Threading
.•.................•..•......•...............•.................•••••..
4
5.
Threading
diagram (
2-needle,
3-needle)
....................................••..•...•
5
Ill
TEST
SEWING
1.
Adjusting
the presser foot pressure
.................................................•.
6
2.
Adjusting
the di
ff.
feed ratio
.•......................•..............................
7
3.
Adjusting
the stitch length
...•..............•.•...........•.............•.........
8
4.
Adjusting
the thread tension
...........•............................•..............
9
Ill
MAINTENANCE
DURING
USE
1.
Cleaning
the machine
...........................................................
10
2.
Replacing the needle
...................••.......................................
11
3.
Checking
the oil circulation
.......................................................
12
4.
Checking
and replacing the oil filter
................................................
13
5.
Replacingtheoil
...............................................................
14
Ill
PARTS CATALOG
...................................................................
15-20
Ill
BEFORE
OPERATING
Lubrication
After filling the oil pan, the oil surface should lie between (H) and (L) lines.
Add oil when the oil surface reaches or goes below (L).
Note : Use recommended oil (HIGH SPEED SEWING MACHINE OIL) (ISO VG22)
-1-
Ill
BEFORE
OPERATING
Manual lubrication
Apply 2 or 3 drops
of
oil by hand when the machine is used for the first time
or
has been left unused for some
time.
Note : Use recommended oil (HIGH SPEED SEWING MACHINE OIL) (ISO VG22)
HIGH SPEED SEWING MACHINE OIL
!
-2-
Ill
BEFORE
OPERATING
Filling the
HR
device with silicon oil
Fill the HR device with oil before it is
too
low
in
order
to prevent needle thread breakage and fabric
damage.
Note : Use
recommended
silicon oil
II
BEFORE
OPERATING
CD
Open the eye guard and three covers.
Needle thread
Tirm the knots off neatly
befo~e
passing through
the eye
of
the needle to
tethread.
Tirm the knots off neatly
after passing through the
eye
of
the looper.
Threading
Replace the looper thread
take-up after threading.
Be sure to thread the machine correctly
by referring to the threading diagran.
(See
P.5)
Ill
BEFORE
OPERATING
Threading diagram (
2-needle,
3-needle)
Broken lines @ for more
stretchable thread.
If
the top cover thread
is
too
loose, use broken line
@.
If
the top cover thread
is
still
too loose after thread with
broken
line@
, use broken
line@.
-
-----~
3
1--------...
For more
stretchable
thread
-5-
For less
stretehable
thread
Ifthe top cover thread
is
too
tight, use broken
line@
.
-----<
4
1------...
Broken lines ®
For more stretchable thread
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