Ching Chi Machine UH9000 User manual

1-3 INSTALLATION OF SEWING MACHINE :
40mm
1
DURING INSTALLATION
PROCESS , DO NOT MOVE
SEWING MACHINE BY
HOLDING CLOTH PLATE.
PLEASE USING STANDARD TABLE
OF 40 mm IN THICKNESS . IF
USE THE TABLE IN 35 mm IN
THICKNESS , THEN , PLEASE
REFER TO INSTALLATION MAP .
SEWING MACHIN E AND THE
HAVE ENOUGH ROOM BETW EEN
PLEASE MAKE SURE THERE
TABLE AROUND IT AFTER
INSTALLATION . TABLE CAN
NOT INTERFERENCE WITH THE
SEWING MACHINE .
WASHER
9000 90009000
9000 9000
9000
222
333
444
555
666
222
333
444
555
666
---
+++
1-1 MOVING:
1. INSTALLATION
1-2 INSTALLATION OF FRAME SUPPORT PLATE AND WASTE CHUTE:
CLOTH PLATE COVER

2cm
UH9000 UH9000 UH9000
1-4. INSTALLATION OF MOTOR BELT :
WITH BOTH PULLEY OF CLUTCH MOTOR AND SEWING MACHINE BY
ADJUSTING CLUTCH MOTOR'S POSITION PROPERLY .
SURE THERE HAVE 2 c.m.
INSTALL MOTOR BELT AND MAKE
TOLERANCE BY PRESS THE MOTOR
BELT.
MUST BE INSTALLED .
CENTER OF
BELT PULLEY
CLUTCH
MOTOR MOTOR
CLUTCH
BELT PULLEY
CENTER OF
MOTOR
CLUTCH
SEWING MACHINES
BELT
MOTOR BELT
111
222
333
444
BELT PULLEY
CENTER OF
INSTALL MOTOR BELT AND MAKE SURE MOTOR BELT IN PARALLEL
FOR SAFTY REASON , BELT COVER
BELT COVER
1-5 INSTALLATION OF BELT COVER :

2. BEFORE OPERATION :
PLEASE MAKE SURE SEWING MACGINE'S
BELT PULLEY IS TURNING CLOCKWISE .
AS FIGURE 2-1 .
ADDING LUBRICATION OIL DURING ADDING PROCESS ,
PLEASE MAKE SURE THE
LUBRICATION OIL CAN NOT OVER
THE UPPER LIMIT OF OIL
GAUGE .
OR SAME SPECIFICATION OF OTHER
MOBIL VELOCTE OIL NO.10(ISO/VG22).
SPECIFICATION OF LUBRICATION OIL:
ADDING SILICON OIL
PLEASE ADD PROPER SILICON OIL INTO
SILICON OIL RESERVOIRS IN ORDER TO
PREVENT THREAD BREAKAGE.
OR SAME SPECIFICATION OF OTHER
UNION CARBIDE CORP. UCC L-45 (10)
SPECIFICATION OF SILICON OIL:
TOP
LOW
000
9000
9
++
+--
-
SEWING MACHINES
BELT
BRAND'S OIL .
BRAND'S SILICON OIL .
2-1TURNING DIRECTION OF BELT PULLEY:
2-2 ADDING LUBRICATION OIL AND SILICON OIL :

OIL SIGHT WINDOW
504
6440-3
0
900
PROPERLY .
SURE FOLLOW THE THREADING MAP AND THREADING
STITCH OR OTHER SEWING DEFECTS , THUS , PLEASE MAKE
MISTHREADING WILL CAUSE THREAD BREAKAGE , SKIP
3-2 THREADING MAP :
EVEN THOUGHT THE MACHINE IS UNDER ITS BEST NORMAL
SEWING CONDITION WHEN OUT OF THE FACTORY , HOWEVER ,
DUE TO DIFFERENT SEWING REQUIRENENTS , SUCH AS SEWING
FABRICS , SEWING THREADS , IT MAY REQUIRED MINOR
ADJUSTNENTS ON SEWING MACHINES AS FOLLOWS:
3. TEST SEWING AND ADJUSTING :
3-1 DESCRIPTION :
DURING THE FIRST USAGE , PLEASE MAKE
SURE LUBRICATION OIL CIRCULATES
PROPERLY.
Uh9003 . STITCH TYPE 504 .

UH9004 . STITCH TYPE 514 .
514
516
6440-4
401
6440-5
6440-6
UH9005 . STITCH TYPE 516 .

UH9034
6440-7
514+401
6440-8
for 34
6440-6
401
UH9006 . STITCH TYPE 544 .
1
2
1
2
1
2
12
3
4
3
4

3-3 OPEN AND CLOSE THE CLOTH PLATE
2
1
PRESS DOWN HOOK AND PUSH TO
LEFT IN ORDER TO OPEN CLOTH
PLATE , PUSHING RIGHT TO ITS
HOOK SET POSOTION , THE CLOTH
PLATE WILL BE CLOSED .
CLOTH PLATE
OPEN
CLOSE
HOOK
UP
DOWN
RIGHT
LEFT
OPEN AND CLOSE FRONT COVER :
PUSHING FRONT COVER TO RIGHT SET
POSITION AND PULL DOWN TO OPEN
IT . AND ON THE OTHER HAND , PULL UP
TO ITS SET POSITION AND TO LEFT IN
COVER AND OTHER PARTS .
INTERFERENCE BETWEEN FRONT
PLEASE MAKE SURE THERE IS NO
AFTER CLOSING FRONT COVER ,
3-4 OPEN AND CLOSE THE PRESSER FOOT ARM AND ADJUSTING PRESSURE :
BE BACK TO ITS SET POSITION .
BACK , PLEASE MAKE SURE IT WILL
WHEN PUT PRESSER FOOT ARM
FOOT ARM BACK .
ITS SET POSITION , CAN PUT PRESSER
POSITION THEN TAKE OUT PRESSER FOOT ARM .
OPEN AND CLOSE THE PRESSER FOOT ARM :
PUSH LEVER DOWN TO ITS SET
LEVER
PRESSER
OPEN
FOOT ARM
WEAK
STRONG ADJUSTING PRESSURE
CLOCKWISE IN ORDER TO INCREASE PRESSURE .
COUNTERCLOCKWISE IN ORDER TO
TURNING ADJUSTING SCREW
TURING ADJUSTING SCREW
DECREASE PRESSURE .
666
555
444
333
222
9000
00
90
9 0
00
9000
AND FRONT COVER :
ORDER TO CLOSE FRONT COVER .
VICE VERSA , PUSH DOWN LEVER TO

(+) (-)
+-
3
2
1
ADJUSTING STITCH LENGTH :
PUSHING THE PUSH BUTTON
LIGHTLY FIRST AND TURNING
PULLEY TO SET POSITION THEN
PUSHING DOWN THE PUSH BUTTON
INTO ITS SET POSITION AND ADJUST
THE LENGTH OF STITCH .
PUSH BUTTON
MARK
LONG
SHORT
SHOULD GET FROM TEST SEWING .
ACTUAL STITCH LENGTH NEEDED
APPROX LENGTH OF STITCH AND
THE PULLEY ONLY REPRESENT
REMARK : THE DISTANCE MARK ON
RATIO AS NEEDED .
FACTORY . ADJUST DIFFERENTIAL
WHEN MACHINES WERE OUT OF
DIFFERENTIAL RATIO WAS SET AT 1 : 1
ADJUSTING DIFFERENTIAL RATIO :
TIGHTEN NUT (2) . FOR
THEN
(2) MOVE LEVEL (1) UPWARD OR
OPEN UP CLOTH PLATE , LOOSEN NUT
MICRO-ADJUSTMENT PLEASE TURN
ADJUSTING SCREW (3) .
STRETCH STITCH
SHRINK STITCH
STRETCH STITCH
SHRINK STITCH
DOWNWARN TO THE POSITION NEEDED.
111
222
333
444
555
666
777
+++---
3-5 ADJUSTING STITCH LENGTH AND DIFFERENTIAL RATIO :

3-6 ADJUSTING THREAD TENSION AND TENSION AMOUNT :
ADJUSTING THREAD TENSION
THREAD TENSION CORRELATE WITH
THREAD TENSION AMOUNT . PLEASE
REFER TO THIS ITEM AND NEXT ITEM
TO ADJUST THREAD TENSION
AMOUNT IN ORDER TO GET BEST
RESULT .
TURNING CLOCKWISE IN ORDER TO
GET STRONG THREAD TENSION .
TURNING COUNTERCLOCKWISE IN
ORDER TO GET WEAK THREAD
TENSION .
WEAK
STRONG
C : IF CHAIN STITCH NEEDLE THREAD
ORDER TO GET SMALLER THREAD
TOWARD (-) DIRECTION IN
TO GET BIGGER THREAD TENSION AMOUNT
B : FOR UH-9005 USAGE .
SMALLER THREAD TENSION AMOUNT .
TOWARD (-) DIRECTION GET
BIGGER THREAD TENSIION AMOUNT .
TOWARD (+) DIRECTION GET
A : FOR UH-9003 , UH-9004 USAGE .
LOOP FORMED TOO EARLY , PLEASE
TOWARD (+) DIRECTION IN ORDER
ADJUST THREAD GUIDE TO
DIRECTION .
TENSION AMOUNT .
PLEASE ADJUST TENSION AMOUNT
ACCORDING TO ARROW DIRECTION
(+) INCREASE LOOPER THREAD
TENSION AMOUNT .
(-) DECREASE LOOPER THREAD
UPPER / LOWER LOOPER THREAD TENSION AMOUNT :
TENSION AMOUNT .
CHAINSTITCH LOOPER THREAD TENSION AMOUNT :
THREAD TENSION AMOUNT
COLLAPSE , UNSTABLE OR CAN NOT
LOOPER THREAD , IF THREAD LOOP
WHEN ADJUSTING CHAINSTITCH
ACCORDING TO ARROW DIRECTION
FORM THREAD LOOP , PLEASE ADJUST
(+) INCREASE .
(-) DECRCASE .
NEEDLE THREAD TENSION AMOUNT :
AAABBBCCCa
00 00 00
aa
a
bb
b

4-1 CHANGING LUBRICATION OIL , OIL FILTER AND NEEDLES
1
CHANGE LUBRICATION OIL .
AFTER OPERATING SEWING
MACHINE FOR 160-200 HOURS
( APPROX ONE MONTH .) PLEASE
CHANGE LUBRICATION OIL AND
CHANGE LUBRICATION OIL EVERY 6
MONTHS THEREAFTER .
IF STOP USING SEWING MACHINE FOR
A LONG TIME , PLEASE CHANGE
LUBRICATION OIL BEFORE OPERATE
AGAIN . CHANGE LUBRICATION OIL
BY TAKE OFF PLUG .
NORMAL FROM OIL SIGHT WINDOW .
OUT OIL CIRCULATION WAS NOT
APPROX 6 MONTHS USAGE OR FOUND
PLEASE CHANGE OIL FILTER AFTER
CHANGE OIL FILTER
OIL SIGHT WINDOW
NEEDLE HOLES .
ALL THE WAY TO THE BOTTOM OF
MAKE SURE TO INSERT NEEDLES
CHANGE NEEDELS
NEEDLE
GROOVE
FRONT
VIEW
SIDE
VIEW
WHEN CHANGING NEEDLES , PLEASE
MAKE SURE NEEDLE GROOVE IS IN ITS
CORRENT POSITION AND ALSO MAKE
SURE NEEDELS BE INSERTED ALL THE
WAY TO THE BOTTOM OF NEEDLE
PLUG
HOLES .
9000 90009000
4. REPAIRING AND MAINTENANCE :

4-2 CHANGING UPPER , LOWER KNIFE :
7
4
3
6
12
5
8
9
8
CHANGING UPPER KNIFE:
A . LOOSEN SCREW (1) PUSH LOWER
KNIFE HOLDER (2) TO LEFT , THEN ,
TIGHTEN SCREW (1) LIGHTY .
B . TAKE OFF SCREW (3) CHANGE NEW
UPPER KNIFE (4) . THEN , TIGHTEN
SCREW (3) LIGHTLY .
C . LOOSEN SCREW (1) MAKE SURE
LOWER KNIFE (8) TOUCH UPPER
KNIFE CLOSELY .
D . TURNING HAND WHEEL TILL UPPER
KNIFE CLAMP REACH ITS LOWEST
POSITION . THEN , ADJUSTING THE
POSITION OF UPPER KNIFE IN ORDER
TO MAKE SURE UPPER KNIFE AND
LOWER KNIFE OVERLAP BY 0.5 mm .
E . TIGHTEN SCREW (3) , (1) .
D . LOOSEN SCREW (1) MAKE SURE
SCREW (1) .
(4) CLOSELY . THEN , TIGHEN
LOWER KNIFE TOUCH UPPER KNIFE
SCREW (9) .
KNIFE LINE EVEN WITH THE TOP OF
C . MAKE SURE THE TIP OF LOWER
LOWER KINFE (8) AND CHANGE NEW
B . LOOSEN SCREW (9) TAKE OFF OLD
TIGHTEN SCREW (1) LIGHTY .
KNIFE HOLDER (2) TO LEFT , THEN ,
A . LOOSEN SCREW (1) PUSH LOWER
NEEDLE PLATE . THEN , TIHGTEN
LOWER KNIFE .
CHANGING LOWER KNIFE
KNIFE TIP
NEEDLE
PLATE
UPPER AND LOWER
KNIFE OVERLAP
AMOUNT 0.5 mm
TOP OF NEEDLE PLATE
DIAGRAM 1

4-3 CHANGING AND ADJUSTING FEED DOGS .
1
2
4
3
2
2
0.8-1mm
1
1
2
1
2
0.5mm
1
CHANGING FEED DOGS .
LOOSEN SCREW (1) CAN CHANGE
MAIN FEED DOG (4) ,
LOOSEN SCREW (2) CAN CHANGE
DIFFERENTIAL FEED DOG (3) .
AFTER CHANGED FEED DOGS ,
TIGHTEN SCREWS LIGHTLY . PLEASE
REFER TO FOLLOWING ITEMS IN
ORDER TO SET UP CORRECT
POSITION OF FEED DOGS . THEN ,
TIGHTEN SET SCREWS .
TOP OF
NEEDLE PLATE
NEEDLE PLATE
TOP OF
PULLEY , MAKE SURE MAIN FEED
CORRECT POSOTION . TURNING BELT
ADJUST FEED DOGS TO ITS
AFTER CHANGE FEED DOGS , MUST
ADJUSTING FEED DOGS AFTER CHANGED :
DOG (2) TO ITS HIGHEST POSITION ,
MAKE SURE THE TIP OF FEED DOG
TEETH HIGHER THAN TOP OF
NEEDLE PLATE BY 0.8-1 mm .
( STANDARD SETTING VALUE )
THEN , TURNING BELT PULLEY ,
LOWERING MAIN FEED DOG , MAKE
SURE THE TIP OF TEETH LINE EVEN
ADJUSTING THE TIP OF TEETH OF
DIFFERENTIAL FEED DOGS LINE
EVEN WITH TOP OF NEEDLE PLATE .
AFTER SET UP , TIGHTEN SCREW (1) ,
(2) AND MAKE SURE FEED DOGS ARE
AT ITS CORRECT POSITION AGAIN .
ADJUSTING FEED DOGS LEVEL (TILT AMOUNT) : DURING FEED DOGS MOVEMENT , THE TEETH OF
FEED DOGS MUST BE LEVEL OFF ALWAYS .
ADJUSTING ITS LEVEL OR DURING SOME SPECIAL
REQUIREMENTS , FEED DOG TEETH MUST TILT TO
FRONT OR REAR .
A . LOOSEN SCREW (2) .
B . TURNING SHAFT (1) IN ORDER TO ADJUST
LEVEL OF FEED DOGS .
ADJUSTING THE HEIGHT OF AUXILIARY FEED DOG:
BY LOOSEN SCREW (2) .
SETTING VALUE ) AND ADJUSTMENT CAN BE MADE
0.5 mm LOWER THAN MAIN FEED DOG ( STANDARD
THE HEIGHT OF AUXILIARY FEED DOG SHOULD BE
AFTER ADJUSTING , PLEASE TIGHTEN SCREW (1) , (2)
AND IN THE SAME TIME , PLEASE MAKE SURE
a. IF FEED DOGS WILL RAISE 0.8~1 mm . ABOVE
THE TOP OF NEEDLE PLATE BY TURNING BELT PULLEY
AND MOVING FEED DOG UP .
b. IF FEED DOGS WILL HIDE UNDERNEATH THE NEEDLE
PLATE BY KEEP TURNING BELT PULLEY .
WITH TOP OF NEEDLE PLATE , THEN ,

4-4 CHANGING AND ADJUSTING PRESSER FOOT SET
1
2
UH9003 UH9004
UH9005
22
3
4
6
5
CHANGE PRESSER FOOT SET :
5
TURNING ADJUSTING SCREW (1)
COUNTERCLOCKWISE IN ORDER TO
LOOSE PRESSURE SPRING .
LOOSEN SCREW (2) CAN TAKE OFF
PRESSER FOOT SET .
ADJUSTING:
PRESSER FOOT MUST BE INSTALLED CORRECTLY IN ORDER TO
OBTAIN BEST SEWING EFFECTS .
NEEDLE HOLE NEEDLE HOLE
NEEDLE HOLE .
NEEDLE CAN BE MOVED INTO
LOWEST SET POSITION AND
TO LOWER THE NEEDLE BAR TO ITS
1. TURNING HAND WHEEL IN ORDER
PRESSER
SET SCREW
NEEDLE PLATE
FOOT
2. MAKE SURE THE NEEDLE HOLE OF
PRESSER FOOT IN LINE WITH THE
NEEDLE HOLE OF NEEELE PLATE
AND SEWING NEEDLE IS IN THE
CENTER OF NEEDLE HOLE . IN THE
MEANTIME , THE BOTTOM OF
PRESSER FOOT SHOULD LAY FLAT
ON THE TOP OF NEEDLE PLATE
( LEFT DIAGRAM )
3. TIGHTEN SCREW (2)
4. THE BOTTOM OF PRESSER BAR
SHOULD HOLD PRESSER ARM
PROPERLY . SO , PRESSER ARM CAN
BE HELD AND RELEASED EASILY ,
WHILE ADJUSTING , LOOSEN SCREW
(4) MOVE SHAFT (3) TO RIGHT OR
LEFT IN ORDER TO SET UP
CORRECT POSITION .
0-500-500-50
900090009000

B
4-5 ADJUDTING THE LIFTING HEIGHT OF PRESSER FOOT :
1
3
A
4
2
6
5
UH9004
UH9003 UH9005
UH9003
3
2
1
a
UH9005
UH9004
10mm 10mm
A
THE TOLERANCE BETWEEN LEVEL (1)
AND STOPPER SHOULD BE 1 mm .
1. LOWER FEED DOGS UNDER NEEDLE
PLATE BY TURNING HAND WHEEL .
2. LOOSEN SCREW (3) LIGHTLY ( CAN
NOT LOOSEN SCREW COMPLETELY . )
3. HOLDING BUSHING FROM A AND B
SIDES TURNING COLLAR (4) IN
ORDER TO SET UP 1 mm TOLERANCE
BETWEEN LEVEL (1) AND STOPPER (2)
4. TIGHTEN SCREW (3) .
MAX . PRESSER FOOT LIFTING AMOUNT "a" IS 7 mm .
AS SHOWN ON DIAGRAM 2 (UH9003,UH9004) AND DIAGRAM 3 (UH-9005)
SETTING UP PRESSER FOOT LIFTING AMOUNT :
WHEN ADJUSTING , LOOSEN NUT (5) AND ADJUST THE
TOLERANCE TO DESIRED POSITION BETWEEN SCREW (6) AND
LEVEL (1) .
DIAGRAM 2 DIAGRAM 3
DIAGRAM 1
TO TOP OF NEEDLE PLATE SHOULD BE
10 mm ( STANDARD SETTING ).
PLEASE REFER TO LEFT DIAGRAM :
1. TUFNING BELT PULLEY IN ORDER
TO RAISE NEEDLE BAR TO ITS
HIGHEST POSITION .
2. OPEN UP PLUG (3) AND LOOSEN
SCREW (1) .
3. ADJUST THE HEIGHT OF NEEDLE
BAR .
4. AFTER ADJUSTMENT PLEASE
MAKE SURE TIGHTEN SCREW (1) .
SETTING TOLERANCE UP :
1mm
4-6. ADJUSTING THE HEIGHT OF NEEDLE .
THE DISTANCE BETWEEN NEEDLE TIP

4-7. CHANGING LOOPERS.
4-7-1.
CHANGING LOWER
4-8. CHANGING NEEDLE GUARD:
LOOPER:
4-7-2.
LOOPER:
CHANGING UPPER CHANGING CHAIN
LOOPER:
4-7-3.
4-8-1. CHANGING NEEDLE GUARD OF UH-9003,UH-9004
4-8-2. CHANGING NEEDLE GUARD OF UH-9005
CHANGING LOWER LOOPER BY
TAKE OFF SCREW (1)
WHEN INSTALLING,PLEASE MAKE
SURE THE CRANK OF LOWER
LOOPER MUST ATTACH TO THE
BOTTOM OF GROOVE OF LOWER
LOOPER ARM CLOSELY.
CHANGING LOWER LOOPER BY
TAKE OFF SCREW (1)
CHANGING THE CHAIN LOOPER BY
LOOSEN SCREW (1),
WHEN INSTALLING,PLEASE MAKE
SURE THE CRANK OF CHAIN
LOOPER MUST ATTACH TO THE
BOTTOM OF GROOVE OF CHAIN
LOOPER ARM CLOSELY.
CAN TAKE OFF REAR NEEDLE GUARD (2)
BY LOOSEN SCREW (1) . LOOSEN SCREW (3)
CAN TAKE OFF FRONT NEEDLE GUARD (4)
PLEASE TAKE OFF REAR NEEDLE
GUARD (2) BY LOOSEN SET SCREW
(1) . LOOSEN SET SCREW (3) CAN
TAKE OFF FRONT NEEDLE GUARD.
LOOSEN SET SCREW (1) CAN
TAKE OFF REAR
CHAINSTITCH NEEDLE
GUARD . LOOSEN SET SCREW (3)
CAN TAKE OFF FRONT CHAINSTITCH
NEEDLE GUARD,
11
1
2
1
4
3
1
2
3
4
1
2
4
3

4-9. SETTING UP LOOPER AND NEEDLE GUARD
4-9-1. SETTING UP LOWER LOOPER
EDGING NEEDLE/
RIGHT NEEDLE
UTMOST
LEFT
POSITION
MODEL
9003
9004
9005
3.8~4
3.8~4
3.6~3.8
UNIT mm
LOOSEN SCREW (1)
APPROX
0.03mm~0.05mm
INTERENCE CENTER OF
NEEDLE
LEFT
RIGHT REAR
FRONT
WHEN LOWER LOOPER MOVES FROM RIGHT TO LEFT
AND THE TIP OF LOOPER MOVES TO EDGING
NEEDLE/RIGHT NEEDLE,THERE WILL HAVE A
INTERFERENCE APPROX 0.03mm TO 0.05 mm .
LOOSEN SCREW (1) AND ADJUSTMENT CAN BE
MADE BY MOVING LOOPER ARM FORWARD OR
BACKWARD.
4-9-2. SETTING UP NEEDLE GUARD OF EDGING NEEDLE
UH9003 , UH9004 UH9005
TOLERANCE
0~0.05mm
0.1~0.2mm
1.AS MENTIONED ABOVE, WHEN LOWER LOOPER MOVES TO THE
CENTER OF EDGING NEEDLE, THERE WILL HAVE APPROX
0.03mm~0.05mm INTERFERENCE.
2.IN THE SAME TIME, ADJUSTING REAR NEEDLE GUARD (1)
IN ORDER TO PUSH NEEDLE FORWARD AND CREATE A
TOLERANCE OF 0~0.05mm BETWEEN NEEDLE AND THE TIP
OF LOWER LOOPER.
3.IN THE SAME TIME,ALSO ADJUSTING FRONT NEEDLE GUARD
(2) (UH-9003,UH-9004) (3) (UH-9005) TO CREATE A
TOLERANCE OF 0.1mm~0.2mm BETWEEN FRONT NEEDLE
GUARD AND NEEDLE.
WHEN LOWER LOOPER MOVES TO ITS UTMOST LEFT
POSITION , PLEASE REFER TO THE CHART ABOVE
FOR THE DISTANCE A BETWEEN THE TIP OF LOWER
LOOPER AND THE CENTER OF EDGING NEEDLE .
THE DISTANCE A BETWEEN TIP OF
LOOPER AND THE CENTER OF NEEDLE(S)
11
2
A
2
1
3
2
1
1
3

LEFT
UTMOST
POSITION
FRONT
REAR
0~0.05mm
TOLERANCE
1.5mm~1.8mm
222
111
333
111
111
a
MOVEMENT ROUTE
FOR TIP OF LOOPER
FRONT AND REAR
MOVEMENT AMOUNT
OF TIP OF LOOPER
DIAGRAM 1.
WHEN CHANGING THE SIZE OF NEEDLE OR WHEN ADJUSTING THE FRONT AND REAR MOVEMENT
AMOUNT OF TIP OF LOOPER.
PLEASE REFER TO DIAGRAM 1.
1.PLEASE OPEN UP BACK COVER (1) OF SEWING MACHINE.
2.LOOSEN SCREW (3) A LITTLE BIT (PLEASE DO NOT LOOSEN SCREW (3) COMPLETELY.)
3.TURNING ADJUSTING SCREW (2).
4.TURNING TOWARD (+) DIRECTION IN ORDER TO OBTAIN BIGGER MOVEMENT.
TURNING TOWARD (-) DIRECTION IN ORDER TO OBTAIN SMALLER MOVEMENT.
5.AFTER ADJUSTMENT,PLEASE MAKE SURE TIGHTEN SCREW (3) AND BACK COVER (1).
WHEN CHAINSTITCH LOOPER MOVES TO ITS UTMOST
LEFT POSITION,THE DISTANCE BETWEEN TIP OF
CHAINSTITCH LOOPER AND THE CENTER OF
CHAINSTITCH NEEDLE SHOULD BE 1.5 mm .
ADJUSTMENT CAN BE MADE BY LOOSEN SCREW(1).
4-9-3. SETTING UP CHAINSTITCH LOOPER
WHEN TIP OF LOOPER MOVES TO THE CENTER OF
CHAINSTITCH NEEDLE, THE TOLERANCE BETWEEN
LOOPER TIP AND NEEDLE GROOVE SHOULD BE
0~0.05mm.
ADJUSTMENT CAN BE MADE BY LOOSEN SCREW(1).

4-9-4. SETTING UP NEEDLE GUARD OF CHAINSTITCH LOOPER.
TOLERANCE
0~0.05mm
TOLERANCE
0.1~0.2mm
4-9-5. SETTING UP UPPER LOOPER
ADJUSTMENT CAN BE MADE BY LOOSEN
SCREW (3),(4) AND AFTER ADJUSTMENT,
MUST MAKE SURE TIGHTEN SCREWS.
WHEN CHAINSTITCH NEEDLE REACHED LOWEST
POINT OF ITS STROKE, THE TOLERANCE
BETWEEN REAR NEEDLE GUARD AND NEEDLE
IS 0~0.05mm AND THE TOLERANCE BETWEEN
FRONT NEEDLE GUARD AND NEEDLE IS 0.1~0.2mm.
1.WHEN UPPER LOOPER MOVES TO ITS HIGHEST POSITION,
THE DISTANCE BETWEEN TIP OF LOOPER AND CENTER
OF NEEDLE SHOULD BE AS SPECIFICATION CHART LISTED
BELOW AND ALSO PLEASE REFER TO DIAGRAM 2.
2.WHEN UPPER LOOPER PASSING THROUGH THE BACK
OF LOWER LOOPER. PLEASE REFER TO DIAGRAM 3.
FOR CORRECT TOLERANCE BETWEEN UPPER LOOPER
AND LOWER LOOPER.
3.WHEN SETTING,PLEASE LOOSEN SCREW (1),(2) AS
PER DIAGRAM 1. AND SET UP THE TOLERANCES
BETWEEN UPPER LOOPER AND NEEDLE,UPPER LOOPER
AND LOWER LOOPER AS PER SPECIFICATION CHART.
THEN,TIGHTEN SCREW (1),(2).
0.5mm
0.2mm
a
2
2
1
UH9005(H)
UH9005
UH9004
UH9003
a
4.5~5.0
UH9003(L)
1
2
1
2
4
3
4.3~4.8
4.5~5.0
4.3~4.8
4.5~5.0
DIAGRAM 1.
DIAGRAM 2.
DIAGRAM 3.
MODEL
SPECIFICATION CHART

Ø13
Ø25.5
3
40
A-A SIDE VIEW
Ø25.5
Ø9
1.5
75
75
Ø19.5
525
1200
R23
20
45
84
139
118
136
138
45
107
225
235
250
335
349
355
375
54
69
79
83
115
129
101
165
185
200
210
60
106
140
250
290
298
310
332
378
20
159
66
33
R23
A
B
R20
R20
590
195
R10
40
3
C
EEE
D
R20
UH-9000
PATTERN PAPER FOR TABLE CUT-OUT
(SEMI-SUBMERGED INSTALLATION)
B
E
D
A
C
F
F
TOTPH 4 PLACES
TOTPH 3 PLACES
B-B SIDE VIEW
C SIDE VIEW
D SIDE VIEW
E SIDE VIEW
F SIDE VIEW
IF TABLE THICKNESS IS MORE
THAN 40 mm , PLEASE THIN
OUT C , D , E SIDE VIEW
PLACES TO 40 mm .
共處
90°
系列 半沉式紙型