SEBO Switch Lever Leaf Spri...
$6.99
Product details
A switch lever should snap between positions and stay where it lands. When it goes soft, hangs halfway or has to be nudged back by hand, the flat return spring beneath it has lost its temper or cracked. Part 1739 is SEBO's replacement for that spring.
The spring is what generates the detent feel: the lever loads it as it moves, and the spring pushes back to hold the lever hard against its stop. A tired one lets the lever drift under vibration, so the machine appears to change setting on its own, or it leaves the lever resting between detents where the contact it operates only engages intermittently. Because the symptom is electrical in character, the spring is easy to overlook — plenty of switch bodies get replaced when the flat spring behind the lever was the whole story.
SEBO draws it at position 13 in the AIRBELT K parts diagram, which is the quickest way to confirm you are looking at the right component before stripping anything down.
- Fits machines: SEBO AIRBELT K2 KOMBI, AIRBELT K2 TURBO and AIRBELT K3 PREMIUM
- Fits power heads: ET-C Power Heads
- Serves: the switch lever return
- Diagram position: 13 on the AIRBELT K sheet
- Part number: 1739
The same flat spring sits behind the switch lever on the AIRBELT K machines listed above and on the ET-C head, which makes 1739 a sensible item to keep with a service kit if you look after more than one SEBO. It is a small part that turns a control which feels intermittent back into one that lands positively, and it is far quicker to try than a switch body.
Genuine SEBO from an authorized dealership, normally shipping in 2–5 business days. Note the orientation of the old spring as it comes out, because fitted the wrong way round it will feel wrong the moment the lever is tried. Check the lever pivot for wear at the same time — a spring cannot compensate for a slot that has worn oval. Anyone searching for a SEBO AIRBELT K switch spring or an ET-C switch lever return spring is in the right place.