Reliable MSK-8420B instruction manual Brief introduction

1. Brief introduction

Both

the models adopt

straight twin-needle and two horizontal hooks

with

auto lubrication

for

thread

looping,

sliding lever for

thread take up

to

form two

lines of lockstitch

seam. The

upper shaft

and

lower

shaft is connected by ball bearing and

driven by teeth-type

synchronic belt;

plunge oil pump

lubrication

system. They adopt the compound feed mechanics of feed dog, needle bar and presser foot, even if

for long

stitch length and long material, They can deal with them freely.

They

are widely used in factories of

suitcase,

tent,

cushion, leather

goods,

apparel,

mat,

etc..

The difference between the two models:

MSK-8420B adopts

twin-needle, two

large horizontal

hooks

with auto

lubrication. With

the

parts it can

form ten different needle gauges.

MSK-8400B adopts

single needle and

form single line

double lockstitch

form.

2. Main Technical Specification

1	Application:	medium and heavy duty materials
2	Max. sewing speed:	2000 spm
3	Max. Stitch length :	9 mm
4	Needle bar stroke:	36 mm
5	Presser foot lift height:	8mm(by hand);		16mm(by knee)
6	Hook:	large horizontal hook with auto			lubrication
7	Needle:	DP	17 Nm125~180
8	Lubrication:	pump auto lubrication (partial of manually oiling)
9	Needle gauge: (Twin-needle)	6.4,	3.2, 4,	4.8, 8, 9.5,	12.7, 16, 19, 25.4
10	Motor power:	0.37 kw (clutch motor)

3. Installation and preparation

3.1 Installation

3.1.1 Location of the machine

To ensure a smooth running, the machine should be located on rigid and flat floor. The insert of rubber mat between machine stand and floor is recommended for further reducing the running noise and vibration.

3.1.2 Oil Reservoir Installation(Fig.1)

Put the oil reservoir into the table cutout, and place the four cushions on the four corners of the cutout, and place oil felt into the oil reservoir.

3.1.3 Mounting machine head(Fig.2)

Make the hinge A of machine head engaged with hinge socket B on the table, then turn the machine head freely till it is seated on the frame of table cutout.

			1
B	small	oil felt	B
A	big		A
			2

B

A

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