7117-34430 SUN GEAR
Teknik Özellikler
| Parça Adı | SUN GEAR |
|---|---|
| Makina Modeli | EC210/EC240 |
| Pompa Modeli | TRAVEL REDUCTION GEAR |
| Kategoriler | Other Brands, Travel Gear Parts, Travel Motors and Parts |
⚙️ Technical Description
- Part Number: 7117-34430
- Part Type: Sun Gear
- Application:
- Final drive (travel gearbox)
- Swing gearbox
👉 The sun gear is the central gear in the planetary system, responsible for driving the planet gears and transmitting torque.
🚜 Compatible Machine Models
This part is commonly used in:
- Volvo EC210
- Volvo EC240
- Volvo EC240B / EC240C
🧩 Function in the System
In a planetary gear set:
- Sun gear (center)
- Planet gears (surrounding gears)
- Ring gear (outer gear)
✔ The sun gear rotates →
✔ Drives the planet gears →
✔ Transfers and multiplies torque to the tracks or swing system
⚠️ Failure Symptoms
When the sun gear is worn or damaged:
- Abnormal gear noise (knocking / grinding)
- Machine moves with difficulty
- Sudden jerking or slipping
- Metal debris inside the gearbox