Description
Overview:
The Dead Man Switch for the Viking MA 339.1 C lawn mower is a genuine Stihl safety component designed to stop the machine the moment the operator releases the handle. Supplied to original specification under OEM No. 6320 430 0427, it restores the intended safety function of your mower. The switch assembly features a durable plastic body with metal internals and insulated wiring for dependable performance in outdoor use. As part of the mower's operator presence control system, it helps prevent accidental run-on and reduces the risk of injury. This is a direct-fit replacement for the Viking MA 339.1 C, making it suitable for both routine servicing and repairs where the original switch has become worn, damaged, or intermittent.
Key Features:
- Genuine Stihl part for the Viking MA 339.1 C (OEM No. 6320 430 0427) for assured compatibility and fit
- Restores the correct safety function by cutting power when the handle is released
- Durable construction with hard-wearing housing and insulated leads for long service life
- Consistent, positive actuation for reliable stop control every time
- Designed for straightforward replacement with standard hand tools
- Direct substitute for a failed, worn, or sticking safety switch-no modifications required
- Stable performance under typical mowing vibration and handling
- Helps maintain safe operation and good working practice during regular maintenance
Typical Applications:
Used as a safety interlock switch on the Viking MA 339.1 C walk-behind mower to ensure the motor and blade stop when the operator lets go of the handle. Ideal for preventative maintenance, refurbishments, or resolving faults such as failure to stop promptly or inconsistent starting linked to the operator presence circuit.
Also known as:
Deadman's switch, OPC switch, operator presence switch, bail switch, handlebar safety switch, safety interlock switch, stop switch, kill switch, safety cut-off switch, handle release switch.
Fits Models:
MA 339.1 C
Alternate Part Numbers:
6320-430-0427, 63204300427
Product Specifications
| L&S Part No. | 6320 430 0427 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 63204300427 |
| Unit of Sale | 1 |
| Applications | MA 339.1 C |
| Machine Type | Mowers |
| Fits Brands | Stihl |
| Fits Models | MA 339.1 C |
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