Consew 318RK-2 Datasheet

DNSE
CONSOLIDATED SEWING MACHINE CORP.
I INDUSTRIAL SEWING & CUTTING EQUIPMENT
OPERATING
INSTRUCTIONS
&
PARTS LIST
31SRK-2
__ ------------------~Sm&e~B9B
L--- INDUSTRIAL SEWING & CUTTING EQUIPMENT
400 VETERANS BLVD, CARLSTADT, NJ 07072

~1*_:·N_O_T_E_(F_i9_.1_) __________________________________ ~11
Before putting a new machine into operation,
run -in operation is required for ·a new
machine. Remove the rubber plug (A) on the top of
arm and drip a little oil,then remove the"rubberplug
(B) and replenish sufficient amount of oil, then lift
the presser foot
and run the machine at a low speed
of 3000 spm to
check~ oil distributing .. condition
through oil
check window.When lubricating is
normal, keep the machine run in at this speed for
about
one month to run -in operation competely.
knife componts lubrication: Apply 1 or 2
drops
of oil at C every time as illustrated, four times
everyday.
11. OIL FILUNG(Fig. 2)
1
II
~
--------------~---[ .
(1 ) The oil' amount . in the oil reservoir IS 2
controlled through the reference marks A and B
shown
in Fig2. The mark A indicates the max oil
amount level, the mark B for the min . oil amount
level . If the oil amount level is under the mark B
replenish the oil 'reservoir with oil in time .
(2)When filling.oil,
loosen the oil draining screw
(c),
drain off the remaining oil in the oil reservoir
completely,
clea.n the oil reservoir and tighten the oil
draining screw(c), then fill the oil reservoir with
. fresh
oil.
12. ROTATING HOOK OIL AMOUNT ADJUSTMENT(Fig. 3)
Adjust the oil amount of the rotating hook
by turning the oil amount adjusting screw (A).
Turn the screw(A) clockwise (in the "+"
direction) to increas'e the oil amount ; turn it
counter -clockwise
(in the " -" direction ) to
decrease the
oil amount.
-.: .•...: . .
:.
3
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f.
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!3. OIL PUMP ADJUSTMENT( Fig. 4)
In ordinary operation , adjustment is not
required for the
oil pump, If oil splashing does
not occur
in the oil check ,window when the
machine runs at a low speed , close the
clearance
of the bypass oil hole.
!4. NEEDLE INSTALLATION(Fig. 5)
Turning the balance wheel to lift the needle
bar to the upper end of its stroke. Loosen the
needle clamp screw while keeping the long
groove of the needle leftward, fully insert the
needle shank
up to the bottom of the needle
socket, then tighten the needle clamp,screw.
Standard
clearance
O.5-1.0mm .
By-pass 011 hO,le
) ,
!5. CONNECTION OF THE CLUTCH LEVER WITH THE PEDAUFig. 6)
( 1) The optimum tilt angle of pedal is
approximately 15 deg.
(2) Adjust the clutch so that the clutch
lever (c)
align with the draw bar ( B) as shown
in Fig. 6
(3)The machine pulley should rotate counter
clockwith when viewed from the outside of it.
The rotating direction of motor pulley can be
reversed by turning the plug of the motor at
180 deg.
(4) Adjust the tension of 0 - Belt (F) by
moving the motor up and down , the proper
tension of the 0 - belt is a slack of
10 - 20
mm when the belt is depressed at the center
of the belt
by finger.
2
4
5
6

16. BELT COVER INSTALLATION (Fig. 7)
Install the belt cover for the sake of safety.
Instlall belt cover(C) to arm with screw(A) and
screw(B), and install belt cover( E) on board with
screw(O) .
17. ADJUST THE OPENING TIME OF THE TENSION DISCS(Fig. S)
Within the presser foot lift range , the
opening time of the tension discs
can be ad-
justed as follows:
(1) Remove the rubber plug from the back
of the
arm and Loosen the screw (A) of the
knee lift level (left)
. (2) Move the tension releasing
cam (0)
leftward for earlier 'opening or rightward for
Later opening. It will facilitate the adjustment if
putting a block under the presser foot lift.
Is. THREADING (Fig. 9)
To thread the needle thread,. raise the
needle
bar to the upper end of its stroke, lead
the thread from the spool and perform.
threading
as shown in Fig9 . To draw the
bobbin thread, hold the end of the needle
thread
and turn the balance· wheel to lower
the needle
bar and then lift it to its highest
position.
Pull the ends of needle thread and
bobbin thread frontward under presser fool.
>---------18
3
7
8
9

19. WINDING INSTALLATION AND ADJUSTMENT(Fig. 10)
The bobbin winder pulley should Align
with the V - belt and there should be some
clearance between them . When the bobbin
winder stop latch lever
is depressed, the V-
belt should be in touch with the bobbin
winder bulley
in order that the bobbin winder
pulley can be driven by the V - belt.
The thread wound on the bobbin should
be neat and tight if not tight , adjust the
winding tension
by turning the tension stud
nut (A) of the bobbin winder tension bracket,
when the thread wound
on the bobbin does
not present a cylindrical
shape as shown in
Fig. 10 (a), Loosen the set screw( B) of the
bobbin winder tension bracket
and move the
bracket (C) leftward or rightward, if the thread
is wound as shown in the figure (b), move
the bracket leftward
or rightward of wound as
shown in the figure(c) , move it leftward .
After positionting the bracket adequately,
tighten the set screw (B)
Do not overfill the bobbin, The optimum
wound length of the thread will
fin about
80% of the bobbin capacity . This can be
adjusted by the screw(E) of the bobbin
winder stop latch.
110. ADJUST THE PRESSURE OF PRESSER FOOT( Fig. 11 )
Pressure of the presser foot is adjusted in
accordance with thickness of materials to be
sewn.
First loosen the lock nut
(A), for heavy
materials, turn the pressure regulating thumb
screw
as shown in Fig. 11 (a) to increase the
pressure I while for light materials, turn the
pressure regulating thumb screw
as shown in
Fig. 11 (b) to decrease the pressure , the
tighten the lock nut (A),
The pressure of the· presser foot is
recommended to be less as long as normal
feeding
is ensured.
4
10
I
CD
11

111. THREAD TENSION ADJUSTMENT(Fig.12, 13, 14)
Nonnal stitch fonn
~I\I~~ .. Need~e thread
~~ ~,..,..,~="""~=~....." .. Bobbm thread
13
Thread tension should be determined in
.12 accordance with the stitch obtained by
adjusting
'the tension of the bobbin thread
and needle' bension (Fig. 12), .
The tension', of
the' bobbin thread: to be
adjusted
by turning the tension spring
. regulating screw of the bobbin
ca,se, After
adjusting" insert the bobbin into the bobbin
case and hold the end of the thread from
the bobbin case to
hang the bobbin case, if
the bobbin, case falls slowly and evenly, the
proper tension
of the bobbin thread is
obtained.
The tension of needle thread: to be
adjusted by turning the thumb nut.
14
The stroke of the thread take - up spring runs from 8mm to 10mm, when sewing very thin
fabrics, reduce the thread take -
up spring tension and increase the thread take - up spring stroke ,
where
as increase the thread take - up spring tension and reduce the thread take - up stroke when
sewing very thick fabries.
Adjusting the thread take -
up spring tension : (Fig. 13) First loosen the set screw (A) r Turn the
tension stud (B) counter -clockwise to decrease the tension of the thread take -
up spring (c) to
zero. then turn the tension stud (B) clockwise till the spring (c) comes to the notch of the tension
regulating bushing,
and again turn the tension stud (B) halfway back (counter clockwise), Aften the
adjustment, tighten the set srew (A).
Adjusting the thread take
-up spring stroke: (Fig. 14) loosen the set screw (B) turn the stud (C)
clockwise to increase the stroke or turn stud (C) counter -clockwise to decrease the stroke After
the adjustment. tighten the set screw (B).
112. ADJUST THE SYNCHRONILATION OF THE NEEDLE WITH ROTATING HOOK(Fig. 15, 16)1
When lifting the needle bar from its lowest
position of the stroke to the distance 2, the
hook point 0
of the bobbin should align with
the center' line of the needle
and be 1.0-
1. 5 mm above upper end of the needle eye
(Fig. 15)
5
15

The clearance between the bottom of the
needle notch
and the hook point should be
0.05 mm (Fig.16L
1 13. ADJUSTMENT OF STITCH LENGTH AND REVERSE FEEDING!Fig. 17)
The stitch length can be adjusted by
turning the dial (A) . The figures on the face
(B) of the
dial show the stitch length in mm.
the reverser feed lever must
be depressed by
another while adjusting the stitch length. The
reverse feeding starts when the reverse feed
lever (c) is depressed, the machine will feed
forward
again if the reverse feed lever is
released.
114. ADJUST THE SYNECHRONILATION OF THE NEEDLE MOTION WITH FEED MOTION(Fig. 18, 191
To adjust the feed dog position (G), first
should release the
two set screw (F) and turn
'around the balance wheel by hand. when the
needle (A) point reaches the surface of the
throat plate (
B) . the top of the feed dog (C)
should
be flush with the throat plate sutface.
Aften the adjustment . tighten the set screws
(FL
18
115. STITCH LENGTH ERROR ADJUSTMENT(Fig. 20)
Loosen screw (A) to adjust stitch length
adjusting
cam (B), Turn it rightward to narrow
the stitch length
as forward sewing. and widen
it
as reverse sewing; turn it leftward to widen
the stitch length
as forward sewing " and
narrow it as reverse sewing.
6
16
17
19
20

116. FEED DOG HORILONTALLTY ADJUSTMENT(Fig. 21)
Heighten the front of feed dog to prevent
fabric from wrinkling, lower the front of feed
dog to prevent fabric from defection, breaking
of hook thread. Mark position on
eccentric shaft
@+ Level
@+Above
®+Under
Feed dog
N:Mr:N:N:" Standard
~ The front up
the max.
~ The front down
themax.
117. THREAD TAKE -UP LEVER OIL SUPPLY ADJUSTMENT(Fig. 22)
Before the machine is carried away from the
factory .the thread take -
up lever oil supply ad-
justing pin has already been adjusted in the
proper state
and the user doesnt need the ad-
justment. As the oil supply amount of the thread
take -
up lever is too large or too small. the
adjustment is. needed.
Adjust
as the followings: when the dot mark
on the oil adjusting pin is upper position ,the oil
is the maximum (Fig.a)
When the dot mark on the oil adjusting pin
is the lower position . the oil is the minimum.
(Fig. b)
Turn the adjusting pin to a certain degree
with a screwdriver to make it
reach the neces-
sary oil amount position( Fig. cL
118. ADJUST KNIFE (Fig. 23, 24)
(1) Adgust knife
Adjust knife
as illustrated: move knife to
the lowest point, Adjust the distance between
point A of knife to needle plate B to
0-
o. 5mm, release the screw C for replaling
knife.
(2) Adjust trimedge width
The trimedge width depend on the specifi-
cation of needle p'late, when adjust trimedge
width
release screw D, make knife edge touch
the edge of needle plate,
Then tighter the
screw,
Release the screw E to aligne knife
edge till knife work well.
7
~
ED Maximum
• oil supply
~
, 6) Minimum
• oil supply
21
22
23
24

PRESSER FOOT ASSY NEEDLE PLATE
FEED DOG MATERIAL GUIDE
029100002
3/32
2.Smm
1/4
029100006
~
6.4mm
i
'- "'r.;\
,~,~
029100007
5/16
7.9mm
029100008 029600002 029800004
3/8
9.5mm
153710000
These parts are optional, additional order required if you need them.
8

9

1. ARM BED AND ITS ACCESSORIES
No. Ref. No. Description Ot.
1 124T1 -002B1 Face plate 1
2
124T1 -002B2 Gasket for
Face piate 1
3
22T1 -003C3
' ' Rubber plug 2
4
22T1 -003C4 Rubber plug 4
5
22T1 ':"'003C5 Thread guide
on face plate 1
6
22T1 -003C6 Thread guide screw 1
7
22T1 -004
Face plate screw 3
8
22T1 -00501
Back plate 1
9
22T1 -00502
Gasket for Back piate ' 1
10 22T1 -006 Set screw 8
11
22T1 -007
Washer 8
12
22T1 -008H
oid check Window 1
13
22T1 -010
Three hole t,hread guide 1
14 28T4
-083
Set screw 1
15
22T1 -009E1 screw 1
16
22T1 -009E2
Spring for pre -tension 1
17
22T1 -009E3 Discs for pre -tension 2
18
22T1 -009E4 Washer 1
19 GB896
-86 Spring Washer 1
20
22T1 -009E5 thread guide for pre -tension 1
21 124T1 -003C1 Knub for thread tension regulator 1
22
22T1 -012F10
Thumb nut revdution stoper 1
23
22T1 -012F1 Thread tension stud 1
24
124T1 -,003C2 Thread tension spring 1
25
22T1 -012F4 Thread tension releasing disc 1
26
22T1 -012F5 Thread tension disc 2
27
22T1 -012F6 Thread take - up spring 1
28
22T1 -012F11 Rubber ring 1
29
22T1 -012F7 Thread tension regulating 1
30
22T1 -012F8 Set screw 1
31
22T1 -012F9 thread tension releasing pin 1
32
22T1 -013 Set screw 1
33
22T1 -014 Thread guide for arm cet)ter 1
34 22T1 -003C6
Set screw 1
35
22T1 -015
rubber plug 2
36
22T1 -016 rubber plug 1
37 029100003 Needle plate 1
38
22T1 -020
Needle plate screw 2
39
22T1 -021 G1 Slide plate 1
40
22T1 -021G2 Spring for slide plate 1
41 22T1 -021 G3 screw 2
42
48T1 -005 Leg
3
43 GB93
-87
Washer 3
44
22T1 -017 Rubber plug 1
45
22T1 -006 Screw 2
46 22T8
-009
Screw 2
10

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2. NEEDLE BAR AND THREAD TAKE - UP MECHANISM
No.
Ref. No. Description Ot.
1 22T2
-001A1a
Thread teke - up lever 1
2 22T2
-001A2 Thread take - up link 1
3 .22T2
-001A3.
Thread,take ,- up, lever hinge pin 1
4 029211000 Thread take -
up crank 1
22T2
-001A5 Needle roller bearing 2
5 22T2
-001A6 Set screw (left hand thread. ) 1
6 22T2
-001A7b
Needle bar link ass
1
7 22T2
-001A8 Needle bar connecting bar joint 1
8 22T2
-001A9 Screw 1
9 22T2
-002 Screw 1
10 36T2
-007 Take - up lever g~ard
1
11
22T2 -004
Screw 1
12 029200001 Needle
bar crank 1
13 22T2
-00582 Screw 1
14 22T2
-006 Screw 1
15 22T2
-007 Needle bar position screw 1
16 22T2
-008 Needle bar bushing(upper) .1
17 22T2
-009 Set screw
,.
18 22T2
-010 Felt piug 1
19 22T2
-011 Rubber plug 1
20 22T2 -012C1 Needle
bar bushing(lower) 1
21 22T2 -012C2 Thread guide for needle bar bushing 1
22 029200002 Needle
bar
1
23 029200003 Thread guide for needle 1
24 . 22T2
-016
Needle(D81) 14# 1
25 22T2 -017 Needle clamp screw 1
26 22T2
-018
Needle bar connecting link guide 1
27 22T2 -019 Set screw 2
28 22T2
-020 Slide block 1
29 22T2-00583 Thread take - Lip crank position screw 1
12

13
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3. ARM SHAFT AND VERTICAL MECHANISM
No.
Ref. No.
Description Ot.
1 029300001 Arm shaft 1
2 124T3
-001A2
Adjusting screw 1
3 22T3
-002B1
Collar for arm shaft 1
4 22T3 -002B2
Set screw 2
5 22T2
-003
Arm shaft bushing(left) 1
6 22T3
-001A2
Oil felt 1
7 22T3
-004
Arm shaft bushing(Middle) 1
8 22T2
-002
Set screw 1
9 124T3 -003C1 Arm shaft bushing(right) 1
10
124T3 -003C2
Oil seal
1
11
153310001
Balance wheel 1
12 22T3
-007C2
Set screw 2
13 22T3
-008
Set screw 1
14 36T3
-003
Eccentric wheel 1
15
22T1 -013
Eccentric wheel screw 2
16 36T3
-004
Spacer 1
17 22T3 -00901c
Crank rod for lifting rock shaft 1
18 22T3 -010E1 Vertical shaft 1
19 22T3 -010E2a1
-2
Bevel gear for arm shaft 1
20 22T3
-010E2a2-2
Bevel gear for vertical shaft (upper) 1
21
22T2 -005B3
Set screw 8
22
22T3 -010E2b1 -2
Bevel 'gear for hook shaft 1
23
22T3 -010E2b2-2
Bevel gear for Vertical shaft(lower) 1
24 22T3
-011
Vertical shaft bushing (upper) 1
25 22T3
-011
Vertical shaft bushing (lower) 1
26 22T2
-002
Set screw 2
27
36T3 -004
Spacer 1
28 100T6
-012
Screw 3
14

15

4. ROTATING HOOK MECHNISM
No.
Ref. No.
Description
at.
1 22T4
-001A1
Rotating hook shaft 1
2 22T4
-001A 1 a1
Filter screw 1
3 22T4
-001A1a2
Filter 1
4 22T4 -002B1 Coller for rotating shaft 1
5 22T2
-009
Set screw 2
6 36T4
-009G
Oil seal for rotating 1
7 36T4
-010
Rotating hook shaft bushing(left) 1
8 22T4
-005
Oil adjusting screw 1
9 22T4
-006
Spring for oil adjuster 1
10 36T4 -014F1 Rotating hook shaft bushing(right) : 1
11
22T4 -007C2
Oil pipe for hook shaft bushing 1
12 36T4
-015
Plunger 1
13 36T4
-016
Plunger spring 1
14 22T4
-010
Guide plate 1
15 22T8
-009
Screw 1
16
GB93 -87
Spring washer 1
17 22T4
-011 D Rotating hook 1
18
22T4,....013
Rotating hook positioner 2
19 22T4
-015
Screw 1
20 22T4
-016F
Bobbin case
1
21
36T4 -006
Bobbin 1
16

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17

6. FEEDING AND FEED LIFTING MECHANISM
'-'
.
No. Ref.
No.
Description Ot.
1 ·029600001
Feed dog 1
2 36T4
-001A1a
Feed bar
1
3 22T6 -OO1A6 Washer 1
4 36T4
-001A2
Feed bracketshaft 1
5 22T6
-001A4
Screw 2
6 22T6
-001A1a
Feed rock bracket shaft arm 1
7 22T6 -
001 A1b Screw 2
8 22T2 -019
Screw 1
9 124T6
-002
Feed rock shaft 1
10 GB894.1
-86
C - type stop ring 2
11
124T6 -001
Feed rock shaft bushing 1
12 22T6 -005B1 Collar 2
13 22T3
-002B2
Set screw 4
14 36T4
-003
Feed rock shaft crank{right) 1
15 36T4
-004H01
Feed link stop 1
16 36T5
-008E5
Set screw 1
17 22T6
-00803
Screw 2
18 22T6
-007
Hinge 1
19 36T4
-017
Feed lifting shaft crank(right)· 1
20 22T6
-016
Screw 2
21
22T6 -012
Bushing for feed lifting shaft 1
22 36T4
-018H1 01
Feed lifting shaft crank 1
23 124T6
-003
Feed lifting rock shaft 1
24
22T2 -009
Set screw 1
25 22T2
-002
Set screw 1
26 36T4
-001A3
Wick 2
18