typical GC24660, User Manual

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1. Brief introduction 1. Brief introduction
2. Main technical specification 2. Main technical specification
This series sewing machine is the top product among
the post bed sewing machines. It adopts the synchro-
nized feed mechanism of wheel driven roller presser
and needle feed. It forms two-thread lockstitch with
take-up lever and vertical rotating hook.The machine
also used high precision of synchronized belt and
adjustable button mechanism. Needle bearings or ball
bearings are used for most of the machine movement
parts. Safety clutch can avoid the damage of the
rotating hook.
This series machine is designed with beautiful
outlook, accurate stitch length which can be adjusted
conveniently and little difference between stitches.
This machine is suitable for sewing arched products,
such as leather shoes, bags, and gloves. This series sewing machine is the top product among
the post bed sewing machines. It adopts the synchro-
nized feed mechanism of wheel driven roller presser
and needle feed. It forms two-thread lockstitch with
take-up lever and vertical rotating hook.The machine
also used high precision of synchronized belt and
adjustable button mechanism. Needle bearings or ball
bearings are used for most of the machine movement
parts. Safety clutch can avoid the damage of the
rotating hook.
This series machine is designed with beautiful
outlook, accurate stitch length which can be adjusted
conveniently and little difference between stitches.
This machine is suitable for sewing arched products,
such as leather shoes, bags, and gloves.
Max. sewing speed Max. sewing speed
2500r.p.m 2500r.p.m
Max stitch length Max stitch length
5mm 5mm
Presser foot lift height Presser foot lift height
7mm by hand, 9mm by knee 7mm by hand, 9mm by knee
Needle bar stroke Needle bar stroke
38mm 38mm
Needle Needle DP 17 14#~20# DP 17 14#~20#
Rotating hook Rotating hook
vertical rotating hook vertical rotating hook
Needle gauge Needle gauge
2.4mm (standard),
1.2mm, 1.6mm, 2mm,
3.2mm, 4mm 2.4mm (standard),
1.2mm, 1.6mm, 2mm,
3.2mm, 4mm
Lubrication Lubrication
oiling by hand oiling by hand
Motor Motor 370W 370W
4. Installing the motor (Fig.1) 4. Installing the motor (Fig.1)
First, put the cushion A and cushion B into the cutout
on the table, and fix the hinge C on the cushion B,
then turn the machine head freely till it is seated on
the frame of the table cutout. First, put the cushion A and cushion B into the cutout
on the table, and fix the hinge C on the cushion B,
then turn the machine head freely till it is seated on
the frame of the table cutout.
3. Preparation (Fig.1) 3. Preparation (Fig.1)
1. Cleaning the machine
Before delivery, the machine is coated with dust
preventive grease, which may be hardened and
contaminated by dust during storage and shipment.
This grease and dust must be moved by clean cloth
with gasoline.
2. Examination
Though every machine is confirmed by strict
inspection and test before delivery, the machine
parts may be loosened or deformed after 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 these exist,
adjustment must be made accordingly.
1. Cleaning the machine
2. Examination
Before delivery, the machine is coated with dust
preventive grease, which may be hardened and
contaminated by dust during storage and shipment.
This grease and dust must be moved by clean cloth
with gasoline.
Though every machine is confirmed by strict
inspection and test before delivery, the machine
parts may be loosened or deformed after 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 these exist,
adjustment must be made accordingly.