Bonis A-16, A-18, A-21 User Manual
PARTS
ASSEMBLIES
FOR
Bonis
•
Models:
A-21,
A-18,
A-16
CAUTION:
BONIS
111
Gopy"gn•
Bros
Sew~ng
' Wl!
Machl""ryCorp
BooiS
BROS.
West
Order
Serial
The
frame.
26th
by
part
and
Model
Serial
The
Model
number
Number
Number
only.
Numbers
is
stamped
SEWING
Street,
New
Cable
Fax:
York,
Address:
Telex:
(212)
When
ol
Machine.
is
printed
N.Y.
422449
645-0914
ordering
on
the
on
name
MACHINERY
10001 • Phone
"BONIBRO"
left
parts,
top
plate
kindly
edge
on
top
slale
of
main
cover.
212/645-0001
CORP.
MAIN FRAME ASSEMBLY
Part
No.
1-A
18-F
18-FB.
18-FFB.
18-R
19.
21
22
24.
29-BT.
30-BT
105
107.
107-B.
108-A
108-B
116
121-A
127
129
133
157 .
158
201-L
201-S
202 .
203
206
213
221
224
226
230
245 .
246
247
248
249
250
259
.
405
409
426
610
611
612
614 .
617-A
621-F
621-J
704
903
908
928
Description
Mainframe
Front
Feed
Disc
(Sold
Front
Feed
Disc
with
Flat
Front
Feed
Disc
Rear
Feed
DISC
Feed
Disc
Arm,
Complete
Pressure
Lever
Pressure
Lever
Chain
Belt
Wheel
(For
"-AD"
Main
Shaft
Bushing,
Ma1n
ShafiBushlflQ,
Main
Shaft
{For·'-RD"
Disc
Stud
Front
Disc
Stud
!Of
Top
Arm
Pin
Bottom
Arm
Pin
Needle
BarTens1on
Needle
Guard
Work
Guide
(installed
Tension
Disc, 2 req'd
TopCoverTens1on
Pressure
lever
Spring
Pressure
Lever
Shaft
Feed
Gear
Shaft
Feed
GearShaf!Screw, 2
Rear
Feed
Disc
SetScrew, 2
Belt
Wheel
Screw, 2 pes.
Ann
P1nch
Screw
Tension
Post
Front
Cover
Screws, 2 req'd
Feed
Shaft
Nut, 2 req'd
Tens1onNut
Work
Guide
Set
Screw
Shielded
Ball
Bearing,
D1scBearing
Spacer
Tension
Th1ckSpacer
Pressure
Pressure
Top
Oil
Cup, 2 req'd
Feed
Top
Top
Top
Needle
Needle
Adjustable
Adjustable
Front
Oiler
Oil
Filler
Top
Cover
Gear
Cover
Cover
Cover
Guard
Bar
Cover
Top
Cover
Rollers,
Post
Set
AdJusting
Ad1ust1ng
Hinge
Plate
Lock
Spring
Hinge,
Hinge
Screw
Bush1ng
Seam
Seam
Cover
Cap
Thread
only
as
com~ete
Ball
Bealings
with
Ball
Bearings
w1th
Models
there
Long,
(Right
Short,
(lef1S1de)
Models
rt
Ball
Bearings
Post
on
Model
Spnng
Screw,
2req'd
req'd
req'd
req'd
2req'd
12req'd
Screw
Nut
Screw
Screw, 6 req'd
Screw
2req'd
Stop, 2 req'd
Contrul
Guide
Control
Guide
Guide
(Sold
Pins
1s
also
Side)
is
Part
A-16
tor
Aal
Onstaled
unit)
only
as a complete
(Sold
only
a
Be~
No. 1 05-R)
only)
Feed
IJB:s
on
ModelsA-21
1.mrt)
as a complete
Wheel,
Part
un~)
No.
24-A,
on
&A-18on,)
left
side)
'Spec1fy
Model
teeth
A-21
A-18
per
inch.
numberWheel
3/64"
i/16"
All A machines
thickness
vanes:
A-16
have
32
3/32"
/ 1
@-~
@----~
@--i
'
'
'
'
' .
(
'·
OPTIONAL
CONTROL
FEED
FOR
SEAM
GUIDE
FLAT
DISC
OPTIONAL
FRONT
DISC
ASSEMBLY
"-RD"
FLAT
FEED
FOR
MODELS
NEW-STYLE
FEED
DISC
P4RTC::
Fl
ASS
4•
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