Model > T-8422D > J1. Rotary hook mechanism (T-8421D)
REF-NO QTY RM CODE NAME OF PARTS
 <For Rotary hook base (L)> 
1 1 SB4823201 R-HOOK BASE ASSY 842ST(L) C
2 1 SA2562201 ROTARY HOOK BASE COVER L
3 1 SA3054001 THRUST WASHER, L
4 1 SA6424201 FELT UL ASSY
5 1 SA4044001 FELT DL ASSY
6 1 SA6462001 ROTARY HOOK BASE COVER FL
  
 <For Rotary hook base (R)> 
7 1 SB4824201 R-HOOK BASE ASSY 842ST(R) C
8 1 SA2563301 ROTARY HOOK BASE COVER R
9 1 SA2579001 SPECER
10 1 SA6425201 FELT UR ASSY
11 1 SA4045001 FELT DR ASSY
12 1 SA6463001 ROTARY HOOK BASE COVER FR
  
13 4 SA6417001 SCREW M4X12
14 2 SA2556001 SCREW, M6X25
15 2 115947101 WASHER PLAIN 6.35
16 2 SA2722001 PINCH SLEEVE A
17 2 SA2565001 PINCH SLEEVE B
18 2 SA2556001 SCREW, M6X25
19 2 SA2567001 NEEDLE UPPER POSITIONING PLATE
20 2 SA2568001 NEEDLE UPPER POSITIONING SHAFT
21 4 062061016 SCREW PAN M6X10
22 4 025060136 WASHER PLAIN S 6
23 2 S01928151 BOBBIN
24 2 SA4029001 ROTARY HOOK SHAFT BUSH
25+ 2 S09260001 THRUST RING, A: 1.2MM < t=1.2 >
25+ 2 SA4038001 THRUST RING < t=1.0 >
25+ 2 S09261001 THRUST RING, B: 1.4MM < t=1.4 >
25+ 2 SA4444001 THRUST RING 0.8MM < t=0.8 >
26 2 S07420000 NEEDLE BEARING
27 2 S07419001 RETAINING RING
28 2 SA6474001 ROTARY HOOK SHAFT BUSH
29 2 SB4193001 OPENER LINK
30 2 SA3859101 OPENER LEVER
31 2 SA2560001 SHAFT, O-LINK
32 2 SB2330001 WASHER PLAIN S SM4.76
33 2 021500316 NUT 3 M5
34 2 SA3889101 O-LEVER SHAFT
35 2 SA4026001 WICK, 4X4 L=100
36 2 012501031 SET SCREW SOCKET (FT) M5X10
37 2 S38212001 OPENER
38 2 154965001 BOLT, SOCKET SM3.57X8
39 8 062300612 SCREW PAN M3X6
40 2 SA2572201 SPIRAL GEAR SCREW ASSY
41 4 SA2574001 SET SCREW, (FT) M6
42 2 SA2575101 SET SCREW (FT) M6
  
44 6 SA2574001 SET SCREW, (FT) M6
45 2 062400616 SCREW PAN M4X6
46 2 062400616 SCREW PAN M4X6
47 2 SA4012001 FELT
48 2 SA3894001 FELT SUPPORT
49 2 062400616 SCREW PAN M4X6
  
51 2 SA6307201 PINION GEAR SET
  
  
  • A. Machine body
  • B. Upper shaft mechanism
  • C.Needle bar rocking mechanism
  • D. Presser foot mechanism
  • E. Feed mechanism
  • F. Quick reverse mechanism
  • G. Feed shaft mechanism
  • H. Gauge parts
  • J1. Rotary hook mechanism (T-8421D)
  • J2. Rotary hook mechanism (T-8422D-40[])
  • J2. Rotary hook mechanism (T-8422D-S0[])
  • J3. Rotary hook mechanism
  • K. Lower shaft mechanism
  • L. Lubrication
  • M. Threading mechanism
  • N. Bobbin winder mechanism
  • P. Thread trimmer mechanism
  • Q. Tension release mechanism (T-8422D)
  • R. 糸払い関係 (T-8422D)
  • S1. Control box
  • S2. Control box
  • T . Quick reverse switch mechanism
  • U. Operation panel
  • V. Power supply equipment and motor mechanism
  • Z1. Accessories
  • Z2. Accessories
  • Wa. Warning labels
  • Wa. Warning labels
  • Sp. Different parts list
  • Sp. Different parts list
  • Ga1. Gauge parts list (T-8421D
  • Ga1. Gauge parts list (T-8421D
  • Ga1. Gauge parts list (T-8421D
  • Ga1. Gauge parts list (T-8421D
  • Ga2. Gauge parts list (T-8422D-40[])
  • Ga2. Gauge parts list (T-8422D-40[])
  • Ga2. Gauge parts list (T-8422D-S0[])
  • Ga2. Gauge parts list (T-8422D-S0[])
  

[How to search using an illustration]

[How to search by part code]

Notes on Brother WWW Server

Web sites Terms of Use

Brother World Wide Web Site <> , and Brother Solutions Center Web Site <> (collectively, these "Web Sites") are provided by Brother Industries, Ltd., Japan ("Brother") and may be used for informational purposes only. By using these Web Sites or downloading materials from these Web Sites, you agree to be bound by the terms and conditions set forth in these Terms of Use. If you do not agree to be bound by these Terms of Use, do not use these Web Sites or download materials from these Web Sites.

These Web Sites include links to the web sites operated by affiliates of Brother. Use of such web sites shall be subject to the terms of use particular to such web sites. In addition, you may be required to agree with other terms and conditions (including but not limited to those of "End User License Agreement") when you download certain contents, which, in the avoidance of doubt and in the case of possible conflict, will prevail.

Use of Materials
Brother or third parties who have licensed Brother shall reserve all intellectual property rights (the rights which could be protected by the copyright law, the design law, the trademark law and other intellectual property laws) concerning any documents, programs, movies, animations, articles, sketches, drawings, software, databases, trademarks, logos and other materials available on these Web Sites (the "Information"). Except to enable your personal use of the Information available on these Web Sites as well as rights granted in terms of mandatory law, YOU ARE PROHIBITED FROM REPRODUCING, DISTRIBUTING, MODIFYING, DISPLAYING, SHOWING, PUBLICLY TRANSMITTING OR OTHERWISE CREATING DERIVATIVE PRODUCTS OF ANY OF THE INFORMATION, IN WHOLE OR IN PART, REGARDLESS OF FORM OR MEDIUM, WITHOUT PRIOR WRITTEN PERMISSION FROM THE INTELLECTUAL PROPERTY RIGHT OWNER(S).
Disclaimer
WHILE BROTHER USES ITS BEST EFFORTS TO INCLUDE ACCURATE AND UP-TO-DATE INFORMATION ON THESE WEB SITES, BROTHER MAKES NO WARRANTIES OR REPRESENTATIONS OF ANY KIND, EXPRESSED OR IMPLIED, AS TO ITS ACCURACY OR APPROPRIATENESS (INCLUDING WARRANTIES OR REPRESENTATIONS THAT ANY PARTICULAR IMFORMATION FITS YOUR PURPOSE OR THAT THE INFORMATION IS FREE FROM BUGS OR COMPUTER VIRUSES). BROTHER ASSUMES NO LIABILITY OR RESPONSIBILITY FOR ANY ERRORS OR OMISSIONS IN THE INFORMATION ON THESE WEB SITES. IN NO EVENT SHALL BROTHER BE LIABLE FOR ANY INFRINGEMENT, LOSS OR DAMAGES OF ANY KIND, INCLUDING BUT NOT LIMITED TO PC TROUBLE, LOSS OF DATA, LOSS OF PROFITS, LOSS OF BUSINESS OPPORTUNITIES, INTERRUPTION OF BUSINESS, OR FOR INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE, EXEMPLARY OR CONSEQUENTIAL DAMAGES OF ANY KIND THAT RESULTS FROM YOUR USE OF THE INFORMATION ON THESE WEB SITES, YOUR USE OF ANY INFORMATION OBTAINED FROM WEB SITES LINKED FROM THESE WEB SITES, OR INABILITY TO USE THESE WEB SITES OR OTHER WEB SITES LINKED FROM THESE WEB SITES. PLEASE NOTE THAT THE INFORMATION ON THESE WEB SITES MAY BE MODIFIED OR DELETED WITHOUT PRIOR NOTICE.
Links to Other Sites
Any sites of third parties linked to or from these Web Sites are not under the control of Brother and Brother is not responsible for the contents of any such linked site. Brother provides those links to you only for your convenience, and the inclusion of any link to a site does not imply endorsement by Brother of the site.
Protection of Privacy
Brother respects your privacy. When we collect or use your personal data, we will protect your privacy and adhere to our Privacy Policy. As these Web Sites may contain third party links, Brother shall not be held responsible for how your personal information may be used when accessing or visiting these linked sites. During the course of your visit to these Web Sites, we may place a small file called "cookie" on your computer to make the browsing more convenient to you. Though your computer can be identified with cookie, we will not, without prior notification, use cookies, with other personal data, to identify you. You can set your browser to reject cookie.
Trademarks
Brother and the "brother" logo (*) are both trademarks of Brother Industries, Ltd., Japan registered in Japan and certain other countries. Any trade names and product names of other companies appearing on these Web Sites are all trademarks or registered trademarks of those respective companies.
Governing Law
This notice is governed and controlled under the jurisdiction of the laws of Japan.
Inquiries
Please contact us for any inquiries or comments regarding these Web Sites at webmaster@brother.co.jp.

Privacy Policy

Brother Industries, Ltd. (hereinafter referred to as "Brother", "we" or "us") is committed to protect your personal data that you share with us. The following statement explains how we protect your personal data:

1. What Is Personal Data?
Personal data is any information which, in itself or tied with other information, could identify you as a specific individual and which may be contained in the information we collect by means set out in clause 2 below such as name, postal address, telephone number, email address, information related to the products or services which you purchased or used, returned questionnaire, any contacts, information related repairs or access logs of our websites.
2. How Brother Collects Your Personal Data
We collect your personal data:

1. through our websites;
2. by email, mail, telephone or other oral means;
3. and by any other means.
3. How Brother Uses Your Personal Data
We will not use your personal data for purposes other than those notified to you in advance, except:

1. to supply you with our products or services that you requested from us;
2. to respond to your requests for after-sales service including queries and repairs.
(There will be cases where we use your personal data, such as for communication to solve problems which occurred with our products or services provided to you.); and
3. in compliance with the laws or the regulations of Japan.
4. Who Will Your Personal Data Be Disclosed To?
We will not, without your prior consent, disclose your personal data to third parties except:

1. in a form or manner where the personal data is not identifiable as yours;
2. to our affiliated companies and business partners, who are bound by confidentiality obligations, to the extent necessary to fulfill the purpose; or
3. when required by law.
5. Compliance To Laws
We will comply with the laws and the regulations provided for the protection of personal data and guidelines issued by government agencies of Japan and the industry associations.
6. How Brother Handles Your Personal Data
To assure adequate level of personal data protection, we will maintain effective internal rules, have our assigned managers oversee the operations on your personal data and make our directors, employees and temporary staff aware of and abide by such rules.
7. How Brother Secures Your Personal Data
We take the security of your personal data very seriously and will protect it from leakage, destruction or alteration, so that you can feel confident in the security of information you provide to us.
8. Cookies
During the course of your visit to our websites, we may place a small file called a cookie on your computer to make the browsing more convenient to you. Although your computer could be identified with a cookie, we will not, without prior notification, use cookies with other personal data to identify you. You can set your browser to reject cookies.
9. Amendment to this Privacy Policy
We may amend this Privacy Policy in accordance with the revision of the applicable laws or any other reasons.

To best view our site

We recommend you to have the following requirements provided.

Browser Version
Microsoft Internet Explorer9.0 or higher
Screen resolution
1440 x 900 pixels or more