PARTS ASSEMBLIES FOR
Bonis Models: A-21, A-18, A-16
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CAUTION: |
Order by part number only. When ordering parts, kindly slale |
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Serial and Model Numbers ol Machine. |
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The Serial Number is stamped on the left top edge of main |
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frame. The Model Number is printed on name plate on top cover. |
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BONIS BROS. SEWING MACHINERY CORP.
111 West 26th Street, New York, N.Y. 10001 • Phone 212/645-0001
Cable Address: "BONIBRO"
Telex: 422449
Fax: (212) 645-0914
Gopy"gn• ' Wl!
BooiS Bros Sew~ng Machl""ryCorp
From the library of: Superior Sewing Machine & Supply LLC
MAIN FRAME ASSEMBLY
Part No. |
Description |
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1-A |
Mainframe |
18-F |
Front Feed Disc (Sold only as com~ete unit) |
18-FB. |
Front Feed Disc with Ball Bealings (Sold only as acomplete 1.mrt) |
18-FFB. |
Flat Front Feed Disc with Ball Bearings (Sold only as acomplete un~) |
18-R |
Rear Feed DISC |
19.Feed Disc Arm, Complete w1th Pins
21 |
Pressure Lever |
22 |
Pressure Lever Chain |
24.Belt Wheel (For "-AD" Models there 1s also a Be~ Wheel, Part No. 24-A, on left side)
29-BT. |
Main Shaft Bushing, Long, (Right Side) |
30-BT |
Ma1n ShafiBushlflQ, Short, (lef1S1de) |
105 |
Main Shaft {For·'-RD"Models rt is Part No. 105-R) |
107.Disc Stud
107-B. |
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Front Disc Stud !Of Ball Bearings |
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108-A |
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Top Arm Pin |
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108-B |
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Bottom Arm Pin |
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116 |
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Needle BarTens1on Post |
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121-A |
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Needle Guard |
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127 |
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Work Guide (installed on Model A-16 only) |
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129 |
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Tension Disc, 2 req'd |
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133 |
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TopCoverTens1on Spnng |
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157 . |
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Pressure lever Spring |
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158 |
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Pressure Lever Shaft |
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201-L |
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Feed Gear Shaft Screw, 2req'd |
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201-S |
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Feed GearShaf!Screw, 2 req'd |
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202 . |
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Rear Feed Disc SetScrew, 2 req'd |
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203 |
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Belt Wheel Screw, 2 pes. req'd |
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206 |
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Ann P1nch Screw |
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213 |
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Tension Post |
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221 |
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Front Cover Screws, 2 req'd |
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224 |
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Feed Shaft Nut, 2 req'd |
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226 |
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Tens1onNut |
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230 |
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Work Guide Set Screw |
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245 . |
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Shielded Ball Bearing, 2req'd |
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246 |
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D1scBearing Rollers, 12req'd |
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247 |
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Spacer |
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248 |
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Tension Post Set Screw |
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249 |
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Th1ckSpacer |
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250 |
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Pressure AdJusting Nut |
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259 . |
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Pressure Ad1ust1ng Screw |
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405 |
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Top Cover Hinge Screw, 6 req'd |
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409 |
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Oil Cup, 2 req'd |
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426 |
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Feed Gear Plate Screw |
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610 |
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Top Cover Lock Spring |
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611 |
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Top Cover Hinge, 2req'd |
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612 |
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Top Cover Hinge Stop, 2 req'd |
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614 . |
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Needle Guard Screw |
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617-A |
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Needle Bar Bush1ng |
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621-F |
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Adjustable Seam Contrul Guide tor Aal Feed IJB:s |
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621-J |
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Adjustable Seam Control Guide Onstaled on ModelsA-21 &A-18on,) |
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704 |
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Front Cover |
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903 |
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OilerTop Cover |
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908 |
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Oil Filler Cap |
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928 |
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Top Cover Thread Guide |
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'Spec1fyModel numberAll A machines have 32 |
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teeth per inch. Wheel thickness vanes: |
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A-21 |
3/64" |
A-16 |
3/32" |
A-18 |
i/16" |
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From the library of: Superior Sewing Machine & Supply LLC
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@--i
NEW-STYLE Fl
FEED DISC ASS
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OPTIONAL FLAT |
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FRONT FEED |
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DISC ASSEMBLY FOR |
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"-RD" MODELS |
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OPTIONAL SEAM
CONTROL GUIDE
FOR FLAT
FEED DISC
From the library of: Superior Sewing Machine & Supply LLC
P4RTC:: 4•
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