Kubota RK125 Water Cooled 4 Stroke Single Cylinder Diesel Engine Instruction Manual

Танилцуулга

This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Kubota RK125 Water Cooled 4 Stroke Single Cylinder Diesel Engine. Please read this manual thoroughly before operating the engine and keep it for future reference.

Техникийн үзүүлэлтүүд

The following table details the technical specifications for the RK125 diesel engine (corresponding to model 125DI in the specification chart).

Тохиргоо ба суурилуулалт

Proper installation is crucial for the engine's performance and longevity. Ensure all safety precautions are followed during setup.

1. Савлах: Carefully remove the engine from its packaging. Inspect for any damage during transit. Refer to the packaging image for typical component presentation.

   

2. Суурилуулалт: Securely mount the engine on a stable, level surface capable of supporting its weight and vibrations during operation. Ensure adequate ventilation around the engine.
3. Түлшний системийн холболт: Connect the fuel lines to the fuel tank and engine, ensuring all connections are tight to prevent leaks. Use only Light Diesel (SAE No.2-D). The fuel tank capacity is 11 liters.
4. Хөргөх систем: Fill the cooling system with the appropriate coolant. The cooling water capacity is 2.1 liters. Ensure the radiator is clear of obstructions.
5. Тосолгооны систем: Fill the crankcase with API CF line SAE 40 lubricating oil. The crankcase oil capacity is 2.8 liters. Check oil levels before initial start-up.
6. Electrical Connections (if applicable): For electric start models, connect the battery according to the wiring diagram (not provided, refer to specific electrical manual if available). Ensure correct polarity. The lamp is 12V 35W/35W.

Үйл ажиллагаа

Follow these steps for safe and effective engine operation.

1. Эхлэхийн өмнөх шалгалтууд:
   • Verify fuel level and type.
   • Хөдөлгүүрийн тосны түвшинг шалгана уу.
   • Ensure cooling water level is adequate.
   • Бүх холболтыг гоожиж байгаа эсэхийг шалгана.
   • Confirm no obstructions around moving parts.
2. Хөдөлгүүрийг эхлүүлэх: The engine can be started by hand (Speed Doubling Handle) or electric start.
   • Hand Start: Engage the speed doubling handle and follow the manufacturer's specific procedure for manual cranking.
   • Цахилгаан эхлүүлэх: Turn the ignition key or press the start button. Do not crank for more than 10 seconds at a time to prevent battery drain and starter motor damage.
3. Халаалт: Allow the engine to warm up at idle speed (approximately ≤600 rpm) for a few minutes before applying load.
4. Ажиллах хурд: The rated speed for continuous operation is 2400 rpm. Avoid prolonged operation at maximum power (12.5 Hp) or continuous rated output (11 Hp) without proper cooling and load management.
5. Унтрааж байна: Reduce engine speed to idle and allow it to cool down for a few minutes before turning off the ignition.

Засвар үйлчилгээ

Regular maintenance ensures optimal performance and extends the lifespan of your engine. Refer to the image below for common engine components that may require inspection or replacement.

• Өдөр тутмын шалгалт:
  • Check engine oil level and coolant level.
  • Inspect for any visible leaks (fuel, oil, coolant).
  • Ensure air filter is clean.
• Every 50 Hours / Weekly:
  • Цэвэр агаар шүүгч.
  • Check battery electrolyte level (if applicable).
  • Inspect fan belt tension.
• Every 200 Hours / Monthly:
  • Change engine oil and oil filter.
  • Түлшний шүүлтүүрийг солих.
  • Check valve clearance (0.195-0.235 mm cold engine).
  • Inspect fuel injection pressure (190-210 kgf/cm²).
• Every 500 Hours / Annually:
  • Шатахууны савыг цэвэрлэ.
  • Агаар шүүгчийн элементийг солих.
  • Хөргөлтийн системийг шалгаж, цэвэрлэ.
  • Check and adjust fuel injection timing.
• Бүрэлдэхүүн хэсгүүдийг солих: Use genuine Kubota parts or equivalent for replacements, such as cylinder heads, pistons, cylinder liners, water pumps, solenoid valves, overhaul kits, turbos, and crankshafts.

Алдааг олж засварлах

This section provides solutions to common issues you might encounter with your RK125 engine.

Хэрэв эдгээр шийдлүүдийг туршиж үзсэний дараа асуудал хэвээр байвал мэргэшсэн үйлчилгээний ажилтнуудтай холбоо барина уу.

Хэрэглэгчийн зөвлөмж

• Always ensure you have the correct model and part number when ordering replacement parts to guarantee compatibility.
• Regularly check all fluid levels (fuel, oil, coolant) before each use to prevent unexpected shutdowns or damage.
• Keep the engine clean, especially the cooling fins and air intake, to maintain optimal operating temperature.

Баталгаат хугацааны мэдээлэл

This Kubota RK125 engine comes with a 1 жилийн баталгаат хугацаа. The warranty covers core components of the engine. For specific terms and conditions, please refer to your purchase documentation or contact the seller.

Дэмжлэг ба холбоо барих

For technical assistance, parts inquiries, or any other support needs, please contact the seller directly. When contacting support, please have your engine model (RK125) and any relevant part numbers ready.

Худалдагчийн холбоо барих мэдээлэл:

• WhatsApp: +86 15576650740
• Имэйл: 1434250503@qq.com
• WeChat: 15576650740

The seller is based in Zhejiang, China, and has been operating since 2012, specializing in OEM and ODM products with a focus on quality and timely delivery.