Advanced Control Solutions for Modern Excavators

Honour Time Machinery Limited specializes in high-end engine assemblies and spare parts. Our lead product, the KOBELCO Joystick Assembly YN30V00111F1 (also known as YN30V00111F1 without dashes for easy search), is the perfect high-quality replacement for original equipment. Whether you are dealing with stickiness, lack of response, or physical damage to your controller, our joystick assembly solves these abnormal faults efficiently.

Product Features and Benefits

• 1. Precision engineered for KOBELCO excavators to ensure seamless integration and plug-and-play installation.

• 2. Use for excavator or construction machinery requiring heavy-duty control stability and ergonomic design.

• 3. Manufactured using wear-resistant materials to withstand harsh mining and construction environments.

• 4. Compatible with various models including SK200, SK210, and SK250 series for versatile application.

• 5. Rigorous quality control guarantees long service life, reducing downtime and maintenance costs.

Technical Specification & Model Reference

Engine Parts & Compatibility Table

Comprehensive Engine Spare Parts Range

Honour Time Machinery Limited is your one-stop source for CUMMINS, KOMATSU, CATERPILLAR, ISUZU, KUBOTA, YANMAR, and WEICHAI engine components.

1. Core Engine Components

Cylinder Block, Cylinder Head, Crankshaft, Camshaft, Connecting Rod, Main Bearing, Con Rod Bearing, Thrust Washer.

2. Piston & Liner Kits

Piston, Piston Ring, Cylinder Liner, Liner Kit, Piston Pin, Snap Ring.

3. Gasket & Sealing

Full Gasket Kit, Head Gasket, Oil Seal, Valve Stem Seal, O-Ring Kit.

4. Fuel & Cooling System

Fuel Injection Pump, Injector, Water Pump, Oil Pump, Turbocharger, Radiator, Fan Cooling, Belt.

5. Electrical & Sensors

Accelerator Motor, Transmitter, Pressure Switch, Flameout Solenoid, Monitor, Controller, Sensor.

Construction Machinery Parts Terminology & Location

1. Turbocharger: Mounted on the exhaust manifold. Example: CATERPILLAR 330D C9 Turbocharger increases engine air intake efficiency.

2. Main Valve: Located in the hydraulic system center. Example: KOMATSU PC300-8 Main Control Valve manages oil flow to all actuators.

3. Cylinder Head: Sits on top of the cylinder block. Example: ISUZU 6HK1 Cylinder Head houses valves and injectors.

4. Water Pump: Attached to the front of the engine block. Example: CUMMINS 6BT Water Pump circulates coolant to prevent overheating.

5. Final Drive: Located at the end of the travel motor. Example: KOBELCO SK200-8 Final Drive provides torque to the tracks.

6. Piston Ring: Fitted into grooves on the piston. Example: YANMAR 4TNV88 Piston Ring maintains cylinder compression.

7. Fuel Injector: Installed in the cylinder head. Example: KUBOTA V2403 Injector delivers atomized fuel into the combustion chamber.

8. Oil Pump: Located inside the oil pan or front cover. Example: WEICHAI WD615 Oil Pump ensures lubrication of moving parts.

9. Radiator: Mounted at the front or side of the machine. Example: KOMATSU PC60-7 Radiator dissipates heat from the engine coolant.

10. Float Switch: Found inside the fuel or water tank. Example: KOMATSU 7861-92-4800 Float Switch monitors fluid levels to prevent system damage.

Maintenance & Troubleshooting Guide

Fault Case: Excavator Hydraulic Lag and Handle Stiffness

Equipment: KOBELCO SK210LC-8 Excavator

Symptoms: The operator reports that the joystick feels heavy and the boom movement is jerky or delayed.

Solution: 1. Check the pilot pressure; if below 3.5MPa, the pilot pump might be failing. 2. Inspect the joystick pilot valve for debris or worn seals. 3. Replace the old controller with a new YN30V00111F1 Joystick Assembly. 4. Flush the pilot hydraulic lines to ensure no contaminants remain.

General Maintenance Tip:

Always change engine oil and filters every 250-500 hours depending on the environment. For CUMMINS QSB6.7 engines, use only high-grade synthetic oil to protect the Engine Bearing and Turbocharger.