
PARTS
CATALOG
Cat.
No.8484&
August
DEVICE
1989
First edition; issued on May, 1980.
Second edition; issued on January, 1984.
Third
edition; issued on August, 1989 .
.---------------------,
FOR
MACHINE TYPES:
E52-183·183T.
ETS52-184FB.
E52-184.185.
552-185.
L52-180.
L152-180.
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•when
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parts
manufactured from August,
It can also be applied to ordinary backlatch devices.
pages 4-33, each mechanism is arranged on facing pages,
the first page containing the illustrations and the second page
containing the
The
number given to each illustration is the REF.
parts
list.
gauges only. They are listed on page
parts
part
for convenience.
placing orders for parts from this catalog, use ONLY
THE
PART NUMBER.
parts catalog is applicable to your machine and is
subject to change without notification.
catalog covers the flat type backlatch devices
1989.
data
of the individual parts.
NO.
on the
parts
are used in some machine types and sewing
34-36
data
at
a glance .
number index is attached to the back of this catalog
to show the
}{
TABULE
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OF
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of
BT
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drive
control
control
types
•••••••••••••• 2-- 3
assembly
mechanical
••••••••••••••• 4-- 5
•••••••••••••• 4-5
mechanical(1-needle)··
mechanical(2-needle)··
····························12--13
controller
OLD
(Used
of
controller(1)(1-needle)············26~27
controller(2)(1-needle)············28~29
························14~15
parts
························16--19
Tension
parts
BT
device
····························24~25
controller
········18--19
························20-21
for
CP-sensor)
types
·············•22~23
controller(1)(2-needle)············30-31
controller(2)(2-needle)············32--33
PARTS
LIST
ETS52.
S52.
L152.
series
...
•••••••••••••••••
ETS52.
E56.
L152.
series(QLD)···············
Page
6~
7
9--11
··34~35
..
36
Parts
number
-1-
index
···················37--38

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2
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1
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1
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302848-91
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202849
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302849
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28
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4
-11-