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This guide covers the wire feed mechanism of the OTC Daihen CM7402 and CMW-742-C wire feeders. The exploded view shows the location of each numbered component. Both models share the same wire feed mechanism parts. All items listed are genuine OTC Daihen spare parts, with part numbers, specifications, and quantities for easy identification and ordering.
| No. | Part Number / OTC Order No. | Part Name | Qty | Remarks | |
|---|---|---|---|---|---|
| CM‑7402 | CMW‑742‑C | ||||
| 1 | U30022B01 | U30033B01 | Main bracket | 1 | Excludes 1-1, 1-2 |
| 1-1 | — | Hexagon socket head screw | 3 | M6×18 | |
| 1-2 | — | Small round washer | 3 | M6 | |
| 2 | L10595B02 | Pressure roller arm pin | 2 | Excludes 2-1 | |
| 2-1 | 3361-404 | E‑ring | 2 | E-5 | |
| 3 | L10595B03 | Drive shaft | 2 | — | |
| 4 | U30023T00 | Pressure roller arm (L) | 1 | Assembly | |
| 5 | U30023W00 | Pressure roller arm (R) | 1 | Assembly | |
| 6 | L10595B04 | Coil spring | 1 | — | |
| 7 | L10595B05 | Pressure spring seat | 2 | — | |
| 8 | L10595B06 | Pressure handle | 2 | — | |
| 9 | L10595B07 | Pressure screw | 2 | Excludes 9-1, 9-2, 9-3 | |
| 9-1 | — | Small round washer | 2 | M6 | |
| 9-2 | 3361-404 | E‑ring | 2 | E-5 | |
| 9-3 | 4739-043 | Spring pin | 2 | 2.5×14 | |
| 10 | L10595B08 | Compression spring | 2 | — | |
| 11 | U30022B02 | Insulating sleeve | 2 | Excludes 11-1, 11-2, 11-3 | |
| 11-1 | — | Socket head cap screw | 2 | M8×40 | |
| 11-2 | — | Washer | 2 | M8 | |
| 11-3 | — | Nut | 2 | M8 | |
| 12 | U5185B15 | Insulating cover | 2 | — | |
All parts listed above are 100% original OTC Daihen spare parts. Our company is an OTC-designated agent, ensuring you receive authentic components for your wire feeder. Whether you need a single replacement or bulk orders, we are here to help.
📞 Contact Us for Orders / Inquiries
📱 Phone / WeChat / WhatsApp:
+86-180-9663-1656
📧 Email:
ahojotc@gmail.com
* For fastest response, please contact via phone or WhatsApp. You're also welcome to connect on WeChat to exchange knowledge and information about OTC welding machines.
Company: COMPANY：Authorized Distributor of OTC Daihen
Contact person: Contact：Mr.Fang
Mobile phone: Phone：+86-18096631656
Email address: Email：15305667776@163.com
Address: Add：Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China