ELBOWS 4154656 - Hitachi_Diesel Engine_Products

Product Details:

Product Name: ELBOW

Brand: Hitachi

Part Number: 4154656

At SWAFLY MACHINERY CO., LIMITED, we specialize in providing top-notch excavator parts and mining equipment parts to customers worldwide. Founded in 2009, our extensive experience of over 15 years allows us to supply a comprehensive selection of machinery engines, hydraulic pumps, and travel final motor drives. We also cater to the agricultural sector with high-performance tractor machinery engines from renowned brands like KUBOTA and Yanmar.

Our company leverages its strong resources and incorporates the advanced technology and expertise of leading engine manufacturers. We have established dedicated maintenance workshops and developed platforms for mechanical dismantling, engine, and hydraulic system assembly maintenance and regeneration. This enables us to offer a complete machine and parts renewal business.

We are committed to timely developing cost-effective OEM and high-quality aftermarket products, ensuring our global customers receive a full spectrum of aftermarket services. Trust SWAFLY MACHINERY CO., LIMITED for all your excavator parts and mining equipment needs.

Glossary of Engineering Machinery Hydraulic Pumps and Travel Final Motor Drives:

Hydraulic Pump (液压泵): A mechanical device that converts mechanical power into hydraulic energy. It is a vital component of the hydraulic system in excavators, providing the necessary flow and pressure to operate various functions.

Installation Location: Typically located near the engine and connected to the hydraulic tank.
Example: Model: Komatsu PC200-7, Part: Main Hydraulic Pump, Part Number: 708-2L-00061

Travel Final Drive (行走减速器): The final reduction gear assembly that transmits power from the travel motor to the track or wheels, enabling the excavator to move.

Installation Location: Mounted inside the track frame or wheel hub.
Example: Model: Caterpillar 320D, Part: Travel Motor and Final Drive Assembly, Part Number: 312-9777

Gear Pump (齿轮泵): A type of positive displacement pump that uses meshing gears to pump fluid. Commonly used in auxiliary hydraulic circuits in excavators.

Installation Location: Can be found in various locations depending on the specific application, often near the main hydraulic pump.
Example: Model: Hitachi EX60-5, Part: Gear Pump, Part Number: 9147389

Axial Piston Pump (轴向柱塞泵): A type of hydraulic pump where the pistons move parallel to the axis of the cylinder block. Often used as the main hydraulic pump in excavators due to its high efficiency and pressure capabilities.

Installation Location: Usually located near the engine and connected to the hydraulic system's main lines.
Example: Model: Volvo EC210B, Part: Axial Piston Pump, Part Number: VOE14524711

Radial Piston Pump (径向柱塞泵): A type of hydraulic pump where the pistons move radially in and out from a central axis. Used in applications requiring high pressure.

Installation Location: Typically found within the hydraulic system where high pressure is needed.
Example: Model: Liebherr R914, Part: Radial Piston Pump, Part Number: 9446347

Vane Pump (叶片泵): A type of rotary positive displacement pump that uses vanes mounted on a rotor to pump fluid. Often used in lower-pressure hydraulic circuits.

Installation Location: Can be placed in various locations within the hydraulic system.
Example: Model: Kobelco SK200-8, Part: Vane Pump, Part Number: LQ50V00018F1

Swing Motor (回转马达): A hydraulic motor that powers the rotation of the excavator's upper structure.

Installation Location: Located at the base of the upper structure, connected to the swing gearbox.
Example: Model: Hyundai R220LC-9, Part: Swing Motor, Part Number: 31Q8-10140

Pilot Pump (先导泵): A small hydraulic pump that provides the pilot pressure required to operate the main hydraulic control valves.

Installation Location: Usually mounted on or near the main hydraulic pump.
Example: Model: Doosan DX225LC-5, Part: Pilot Pump, Part Number: 430701-00383

Track Motor (行走马达): A hydraulic motor that drives the travel final drive, enabling the excavator to move.

Installation Location: Integrated within the travel final drive assembly.
Example: Model: Sumitomo SH210-5, Part: Track Motor Assembly, Part Number: K3V112DT-9U1K

Control Valve (控制阀): Directs the flow of hydraulic fluid from the pump to the various actuators (cylinders, motors) in the excavator.

Installation Location: Typically located centrally in the hydraulic system, often referred to as the main control valve block.
Example: Model: Sany SY215C, Part: Main Control Valve, Part Number: B229900006855

Frequently Asked Questions (FAQs):

Q: Where can I find reliable aftermarket hydraulic pumps for my excavator?

A: SWAFLY MACHINERY CO., LIMITED specializes in providing quality-trusted aftermarket hydraulic pumps for a wide range of excavator brands and models. Contact us to find the perfect match for your machine.

Q: What are the common signs of a failing travel final motor drive in an excavator?

A: Common signs include reduced travel speed, inability to move in one direction, unusual noises from the undercarriage, and hydraulic leaks around the final drive unit.

Q: Do you offer engine parts for KUBOTA and Yanmar agricultural tractors?

A: Yes, SWAFLY MACHINERY CO., LIMITED supplies a range of agricultural tractor machinery engines and parts for KUBOTA and Yanmar brands.

Our Business:

SWAFLY MACHINERY CO., LIMITED specializes in excavator parts and mining equipment parts in China. Founded in 2009, we are your trusted source for quality-trusted machinery engines, hydraulic pumps, and travel final motor drives. With over 15 years of experience, we offer both OEM and high-quality aftermarket solutions. We also provide agricultural tractor machinery engines from KUBOTA and Yanmar. Our services include maintenance workshops, mechanical dismantling, engine and hydraulic system assembly maintenance and regeneration, and a complete machine and parts renewal business. We are dedicated to providing comprehensive aftermarket services to our global customers.

Common Engine Trouble and Solution: Excessive Black Smoke from Exhaust

Problem Description: Excessive black smoke emitting from the engine exhaust is a common issue in construction machinery engines. This usually indicates incomplete combustion of fuel.

Possible Causes and Solutions:

Dirty or Clogged Air Filter: Restricts airflow, leading to a rich fuel mixture. Solution: Clean or replace the air filter.
Faulty Fuel Injectors: Can cause over-fueling or improper fuel atomization. Solution: Inspect and test the fuel injectors. Clean or replace if necessary.
Incorrect Fuel Injection Timing: Can lead to incomplete combustion. Solution: Check and adjust the fuel injection timing according to the engine's specifications.
Low Compression: Caused by worn piston rings, valves, or cylinder liners. Solution: Perform a compression test and overhaul the engine if necessary.
Incorrect Fuel Grade: Using the wrong type of fuel can lead to incomplete combustion. Solution: Ensure the correct fuel grade is being used as recommended by the engine manufacturer.
Turbocharger Issues: A malfunctioning turbocharger can reduce the amount of air entering the combustion chamber. Solution: Inspect the turbocharger for damage or leaks and repair or replace it as needed.

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Email: sales05@swaflyexcavator.cn

ELBOW;S 4154656 - Hitachi

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