A
B
C
Max. Sewing speed
Max. Stitch length
Presser foot lifting
Alternate press foot
lifting range
Timing of walking foot
and feed dog
Rotating hook
Needle
Lubrication
Clutch motor
Max. Sewing speed
Max.
Stitch length
Presser
foot lifting
Alternate
press foot
lifting
range
Timing
of walking foot
and
feed dog
Rotating
hook
Needle
Lubrication
Clutch
motor
-1-
1
Model TW1-2B/2BL20 extra heavy duty top and
bottom feed lockstitch sewing machine with large
hook adopts single straight needle, link thread
take-up, high precise bevel gears driving, large hook
catching thread. With special upper feed mechanism,
the machine shows its good performance on sewing
extra heavy duty and extra thick thread.
It is widely used on sewing suitcas s, leather, sofa,
tents, bamboo matting, ect.
.
.
e
Model TW1-2B/2BL20 extra heavy duty top and
bottom feed lockstitch sewing machine with large
hook adopts single straight needle, link thread
take-up, high precise bevel gears driving, large hook
catching thread. With special upper feed mechanism,
the machine shows its good performance on sewing
extra heavy duty and extra thick thread.
It is widely used on sewing suitcas s, leather, sofa,
tents, bamboo matting, ect.
(1) Cleaning the machine
Before delivery, the machine parts are coated with
rust preventive grease, which maybe hardened and
contaminated by dust during storage and shipment.
The grease and dust must be removed by clean cloth
with gasoline.
(2) Examination
Though every machine is confirmed by strict
inspection and test before delivery, the machine parts
maybe loosed or deformed after a long distance
transportation with jolt. A thorough examination
must be performed after cleaning the machine. Turn
the balance wheel to see if there is running
obstruction, parts collision, uneven resistance or
abnormal noise. If there exist adjustment must be
made accordingly before running.
.
.
.
.
(1) Cleaning the machine
Before delivery, the machine parts are coated with
rust preventive grease, which maybe hardened and
contaminated by dust during storage and shipment.
The grease and dust must be removed by clean cloth
with gasoline.
(2) Examination
Though every machine is confirmed by strict
inspection
and test before delivery, the machine parts
maybe loosed or deformed after a long distance
transportation with jolt. A thorough examination
must be performed after cleaning the machine. Turn
the balance wheel to see if there is running
obstruction, parts collision, uneven resistance or
abnormal noise. If there exist adjustment must be
made accordingly before running.
Align machine balance wheel belt groove (A) with
motor pulley belt groove (B) by moving motor
leftward or rightward. .
Align machine balance wheel belt groove (A) with
motor pulley belt groove (B) by moving motor
leftward
or rightward.
1. Brief introduction
3. Operation and preparation
4. Installing the clutch motor (Fig. 1)
2. Main technical specification
1200s.p.m
13mm
13mm by hand, over 13mm by knee13mm by hand, over 13mm by knee
4mm 6mm4mm 6mm
Max stroke is more than 13mmMax stroke is more than 13mm
Extra large hookExtra large hook
DDX1 24 27
##
DDX1 24 27
##
Lubricated by handLubricated by hand
0.5KW
TW1-2B
TW1-2BL20
Model
Parameter
900s.p.m
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