
PARTS
ASSEMBliES
FOR
Bonis
BN-10,
Models
BC-14, BH-12,
B-27,
BT-11
and
B-32,
BD-32,
BG-12,
BK-10,
T-11
BG-14,
BK-12
CAUTION: Order by part number,
ing parts, kindly state serial number
lift
top
cover ... serial number
of
main frame. Model Number
attached
on
top
cover.
not
reference number, When order·
anq
is
stamped
is
stamped
Model
of
on
left rear·corner
on
metal label
Machine.

B&T
MAIN
FRAME
ASSEMBLY
Refer.
No
1
2
3(2)
4
5
6
SA
68(2)
7(
8{
9{2)
10
11{2)
12(2)
13
14
15
16
17
18
18-A
19
19
20
21
22
23
24
25
26
(2)
27(2)
28
29
30
•
31
32(12)
33
34
•35
36(2)
37
38
39
40
41
42
.
6)
2)
Part
No.
226
. . . .
133
. . . . . T
129 ....
213
128
7
...... Tension Dis
.......
..........
03
....
.....
704 .....•
221
.......... front
405
......
612 ... .
611. .
610
248
4
30
29-B-T
105
.•.... To
........ Top
..........
.....
09 ... .
....
-B-
T.
. . .
......
..........
24 .. . . .
203 .
...
. •
617
. .... .
116
•.........
19-C ........•
19
·A .
.......• Feed
108·A
...
108 ..........
210
..........
230
.......
127·8
........
201·S
......
224
........
20
1·L
......
1·8
.........
214
.........
121·8 . • ...
18·F .........
246
.....•..
Of'..scr
... Tension Nut
op
...
Tensi
Top Cover
. Top
...
. Front
· . . . . T
up
p C
Top
. . . . .
Main
...
Sma
.... Ma
. .
in Shalt
Main
Ma
in Shaft
...... Belt
.... Belt
....
Need
Needle
Feed
..... Top
Bottom
Arm
...
Work Gui
Work Guide
. . Feed Shaft Scr
. .
Feed
. . P
ressure Lever
. Main
Need
...
Needle
Front F
..
0 1
sc
107 .......... DISc
Not
Illustrated
29
thru
18·R ..
202
.........
21
.. · ...
158 ....
157
..........
250 ......
259 ...
Cha
in
.......
(closed
34
sold
as
...
. .
..
..... Pressu
. . ...•
. . . .
••.....
.
complete unit#
Rear Feed Dis
Rear
Pre
ssu
Pressu
Press
Pressure
iption
Cove
r Te
nsion Spring
cs
on
Post
Thread
Cove
r
Cover
Cover
Screws
Cover
Hinge
ove
r Hinge Stopp
Cov
er H
inges
Cover
l o
ck
Spring
Shaft Bushin
ll 0 il Cups
Bus
hin
Shaft Bushing, l
Wheel
Wheel
Screw
le Bar Bushi
Bar
Disc
Disc
ng
Tension Post
Arm
Complete With
Arm Only
Arm Pin
Arm
Pin
Pin
ch Scr
ew
de
Set Sc
ew,
Shaft Scr
ew
Shaft Scre
Fra
me
le
Guard Scre
Guard
eed
DISc
Beari
ng
Rollers
Stud-----
bearings)
c
Fee
d Disc SetScr
re lever
re
Lever Sllaft
re
Lever Spr
ure lever Adj
l ever Adjusti
Guid
e
Screws
ers
g Set Screw
g,
Short, (l eftS i
ong,
s
(Right
de)
Side
)
Pins
rew
Short
Nut
w,
Long
w - -------
. ( COMPLETE
•
UNIT
#IB
·F
---
18·
- - -
F
---·
ews
ing
usting
Scr
ew
Nut
ng
Screw
"8·27, BN·
wheels;
*"C"
10, BT·1
all other B mode
1, T·ll
are
equipped with
ls
have
32
After Part Number Denotes "COMPLETE"
teeth per i
27
wcth
nch.
per inch disc

GEAR
&
FEED
FRAME
ASSEMBLY
Rtftr
No
. No.
66
67
68
69
(4)
10
(4J
71
(4)
72
(4)
13
74
75
(21
16
71
78
19
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
76
98A
Pa
fl
416 ....
....... Left
630, .......
629
...
........
427 ...
424
423
....
......
. . .
......
,,
.,,
1
421 ........•..
419
.....
......
628
...........
426 ..•........
202
.....
..... -Set
Ri
ght Side
roller
416
·C
416
420
Feed
springs. pins
.....
....
....... , ...
....
....... Feed
425 ........
418 ...........
417
. . ,
..
, , ,
17 . . ..........
132
........
106
. . ........ Disc
433
......
15
-C
228
....
123 ....
1!)
............
111
. . . . . . . . • .
...•
•.•... Feed
.......
......
•....
109 ...........
112
: . . ,
.•
.',
110
. ...... ,,, .Stich
211
....... , ...
209
. .
.........
14 .........
13·8
..........
202
. . .
.. . ..
. .
235 ...
........
Oesc.rtp110n
...
Feed
Feed
..
Feed
.
Feed
..
feed
Feed
Feed
Feed
Feed
Screws
Gear
and
Rrght
Feed
. . .
Peed
Feed
...
Feed
Feed Gear
...
Feed
feed
Stuch
Feed
feed
Strtch
Stitch
...
Stitch
Feed Dog
feed
...
Feed Con
Feed
Set
Screws
feed
Side
Feed
Retaining
Retain
ing
Drum
Retaining
Gear Cam
Gear
Roll
Drum
Set
er
Gear Roller Pin
Gear
Roller
Gear
Ring-Left
Rmining
Gear
uses
Plate
same
Drum
Screws
numbers on
cams
Side
Feed
Gear
Gear Only
Gear
Cam
Gear
Plate
Gear
Shaft
Washer
Gear
Shah
(Small)
Orsc
Shaft Spring
Shah
Retaining Drum
Lever
Fitted
Stud
Nut
lever
Washer
Lever
Only
Regulating Bloc
Regulating
Indic
Regu
Dri
Lever
ator
lati
Scr
ng
ving
ew
Stud
Stud
nection ·---
Ecce ntr~c
___
__
Eccentric
Pin
Plate
Cam
Screws
Spring
and
Complete
Plate
Complete
k
Nut
Screw
_ • _ _ _ _
Drum
Rigfit
screws
Shou
- - - )
f
Side
of
Gear
.
.
lder Screw
~~~~;irE
#1
3 &
14
vN/1
18 c
*
"C"
after Part Number Denotes "COMPLETE"
Special Gauges for Special
Work
are Available

LOOPER
Ref
or.
No.
P
N
~ rt
o.
FRAME
Dftcr,plion
A
SSE
MB LY
99(2)
100
101(2)
102
103
104
105
107
106
108(2)
109
110
111
112
112·A
113(4)
1
14(2)
115
116(2)
111
118
119
20
1
120
·C
2
14
27
202
149-ll
14S. T no
ollust.
lor
411
·8
41 H no
Ulust
for
1
26
207
208
609
639
144-8
624
125
114-8
11 H not
nm.
114-8·2
206
143
41
0/422/412/205
When
ordering
205
412
409
122-8/10.8
225
144·T
orB
116,
119
and
Bolanct
Balanc:t
Eccentric
Oscollatont
Oscillat•nt
Models BT·
ll
and T·l1
looper
loopet
.
Models
BT·ll
,
....
0 "'"'
Looper
looper
looper
looper
Osclllatin9
looper F rlftle
looper
Shaft
Htllt90n looper
loopes
looptr
Two
Tlwttd looper
Loopor
Rocker
004, .006,
.
-Comple
thi111U
mber
Looper
Looper
Small
Oil
/205/225-Back
Looper
Looper
120
Sold
es
Weight
Scmv.
Weight
Stt
Screws
tim
Com
Frame,
Sttel E
Frame,
Steel
and
T·ll
"'" "'"
Com
Roll
er Stud
Cern
Roller Stud Set
Oscillating
Chuck Shtll
lor
Modols
Frome
Rocker
Packing-
ta
F rant
specify
Frame
Rocker
Frame
Front
Cup
Rocker
Frame
Nut
Frame Fitt
Complete
ccsntric
Eccen
tric
- - - - - -1
Screw
Arm
Arm
Pinch
Scre"'s
BT-11
& T·ll
Screws
Specify
.01 o ..
Rock
iff
Fitted
ed
thickness
020.
er
With
Stud
or
Model
BT·II
Studs
Rocket
Comp
Complet
Nut
lete
e w
------
w/Stud
ith
Unit-Back Rocker
:
---
or T
Cam
SOLD
AS
COMPLETE
UNIT.,.
-
11
6()9.C
}
SOLOAS
COMPLETE
FRONT
UNIT
ROCKER

NEEDLE
BAR
ASSEMBLY
fleftr.
No
.
121
122
12
2
123
124
12
5
1
26
1
27
1
2B
1
29
130
13
1(2)
13
2
133
13
4
134-A
135
136
1
37
1
38
Part
No
.
215
.......
1 1
5-B .........
115·T
..........
217 ......
113-B ..•...
113-T
134
216
1
227
NeedleNeed
617
218 ...........
466-B
202 •..... .....
7-B
235 ... ...
467 ........... Needle
469 ......
468 ...
210 ... ... . •...
not
...........
...•....•
19 ...
......
.........
Bonis
le
Bonis
...........
.........
...........
........
Descript
.... Need
Needle
For
.. .. .
Need
..
Need
ill
ust.
for
Need
.. Needle
.. Need
..
Need
System
System
Needle
Needle
Need
Yoke
Need
.....
Yoke
.. .
..
Needle
Needle
Need
le
Model
le
le
Models
le
le
le
292·B
292
le Bar Yoke
Eccentr
le
Eccentric Pin
le
ion
Bar
Tension Plunger
Bar Tens
Bar
Bar
Bar
Bar
Clam
Clamp
·T
Bar
Ba~Yoke
Bar.Yoke
Bar
Bar
Bar
Bar Yoke Adj
ion Plate fo
T-11 Only
Tension Plate
BT ·11
and
Tension Spring
Plunger Nut
p
Screw
far
Model
Bushing
Pinch
ic Set Sc
Ecc
Yoke
Suppo
Adjustable
Yoke
Suppo
r B
models
Screw
T·11
T·l 1 On
ustable Bracket
.Screws
rew
ent
ric
rt
Shaft
Bracket
rt
Shaft
ly
Lock
Nut
Screw
*"C"
after Part Number Denotes
"COMPLETE"
DEALER;
REFERENCE NUMBERS ON EACH PLATE ARE
NOT
NECESSARILY THE SAME, HOWEVER,
THE
PART NUMBER,
IF
A DUPLICATE IS THE
SAME.