Belparts K3VL80 SY75 Hydraulic Pump Assembly For Sany Mini Excavator Main Pump

List of spare parts

Maintenance

1. Daily Checks:

   • Check oil level and quality

   • Observe for leaks

   • Monitor operating sounds

2. Regular Maintenance:

   • Replace filter element every 500 hours

   • Replace hydraulic oil every 2000 hours

   • Inspect bearing and seal condition annually

3. Long-term Storage:

    

    

    

   Structural Components

    

   • Drain internal oil

   • Apply anti-rust oil to critical parts

   • Regularly turn shaft manually to prevent component sticking

   A typical hydraulic pump consists of the following key parts:

    

   • Housing/Casing – Protects internal components and maintains structural integrity.

   • Drive Shaft – Transmits power from the engine to the pump mechanism.

   • Rotating Group (Gears, Pistons, or Vanes) – Generates fluid flow and pressure.

   • Inlet & Outlet Ports – Allow hydraulic fluid to enter and exit the pump.

   • Pressure Relief Valve – Prevents system overload by diverting excess fluid.

   • Seals & Bearings – Ensure leak-free operation and reduce friction.

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FAQ:

• What is the warranty time of the products?
  The warranty time is 6/12 months based on the item details; We don't provide warranty time for original and used products.
  2.What is your delivery time?
  Generally, we will arrange the goods within 24 hours after your payment; if not in stock, stocking time is 1-7 days.
  3.What are your main products ?
  We are specialized in spare parts for excavator hydraulic system, such as travel/swing motor, travel/swing gearbox/parts, hydraulic pump/parts,gear parts,etc.If you need other excavator parts, we also can supply as your requirements.
  4.How can I do if there is something wrong with the goods?
  First at all, we have confidence in the quality of our products, if you really found something wrong, please provide pictures or video for us and we will check. After it is confirmed, please return the goods to us and we will offer the correct item.
  5.How do I pay?
  You can pay by T/T,PayPal (for small amount) and Alibaba trade assurance.