Part Name: Starter Relay
Part No: ZAX240-3G
Applicable Models: Hitachi ZAX240-3G
Delivery Options : Express freight / Standard (sea) Freight
Condition/Options: New/ OEM replacement / Genuine original
Warranty : 6 months
MOQ : 1 Piece
Growshine Starter Relay 8980056310 for Hitachi ZAX240-3G Excavator
Premium Starter Relay for Hitachi ZAX240-3G
Welcome to Growshine International. We specialize in providing high-quality aftermarket parts for a wide range of heavy machinery. This premier Starter Relay, with part numbers 8980056310 and 8980056310, is expertly engineered for the Hitachi ZAX240-3G excavator. A starter relay is a critical component in the ignition system, acting as a high-current switch that delivers electrical power from the battery to the starter motor to crank the engine. Our relays ensure reliable starting performance, minimizing downtime and maximizing productivity on the job site. If you're searching for a "Hitachi excavator starter relay replacement," you've found the perfect solution.
Your Global Partner in Machinery Parts
Growshine International is a leading name in the import and export trade of machinery parts. Our core business includes construction machinery parts, heavy truck parts, agricultural machinery parts, and automotive parts. We serve a global clientele, providing durable and cost-effective solutions. We are a trusted "ZAX240-3G electrical parts supplier" and offer a comprehensive catalog that covers everything from "heavy duty truck starter components" to intricate "agricultural machinery electrical relays." Our commitment is to quality and customer satisfaction, making us the preferred choice for businesses looking for a reliable supplier for farm tractor parts and construction equipment parts wholesale.
Product Specifications and Quality Assurance
This starter relay is manufactured to meet or exceed OEM specifications, ensuring a perfect fit and function for your Hitachi excavator. By choosing our 8980056310 relay, you are investing in a component that has undergone rigorous testing for durability and performance. It is an essential part for resolving a "ZAX240-3G excavator not starting issue." We understand the importance of global trade in automotive components and strive to deliver "OEM quality starter relay 8980056310" products to our customers worldwide. Our extensive network allows us to excel in exporting heavy truck parts from China and sourcing auto parts for the European market.
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Glossary of Common Machinery Parts
Understanding the components of your equipment is key to effective maintenance. Here are definitions for some common parts:
Komatsu PC200-8 Excavator Hydraulic Filter: (EN) A device that removes contaminants from the hydraulic fluid. It is installed in the hydraulic system's return line or pressure line to protect pumps, motors, and valves. (ZH) 小松PC200-8挖掘机液压滤芯：一种清除液压油中污染物的装置，安装在液压系统的回油路或压力油路中，以保护泵、马达和阀门。 (RU) Гидравлический фильтр экскаватора Komatsu PC200-8: Устройство для удаления загрязнений из гидравлической жидкости. Устанавливается в обратной или напорной линии гидросистемы для защиты насосов, двигателей и клапанов.
Scania R450 Truck Air Compressor: (EN) A pump that compresses air, which is then used in various vehicle systems like braking and suspension. It is typically mounted on the engine and driven by the engine's gear train. (ZH) 斯堪尼亚R450卡车空气压缩机：一种压缩空气的泵，压缩后的空气用于车辆的制动和悬挂等多个系统。它通常安装在发动机上，由发动机的齿轮系驱动。 (RU) Воздушный компрессор грузовика Scania R450: Насос, который сжимает воздух, используемый в различных системах автомобиля, таких как тормозная система и подвеска. Обычно он устанавливается на двигателе и приводится в действие зубчатой передачей двигателя.
John Deere 8R Tractor Fuel Injector: (EN) A component that sprays atomized fuel into the combustion chamber at the correct moment. It is located in the cylinder head with its nozzle protruding into the combustion chamber. (ZH) 约翰迪尔8R拖拉机喷油器：在精确的时刻将雾化燃料喷入燃烧室的部件。它位于气缸盖中，喷嘴伸入燃烧室。 (RU) Топливная форсунка трактора John Deere 8R: Компонент, который впрыскивает распыленное топливо в камеру сгорания в нужный момент. Он расположен в головке блока цилиндров, а его сопло выступает в камеру сгорания.
Volvo L150H Wheel Loader Transmission Cooler: (EN) A heat exchanger that cools the transmission fluid, preventing overheating and ensuring smooth gear shifts. It is typically located in front of the engine's radiator. (ZH) 沃尔沃L150H轮式装载机变速箱冷却器：一种用于冷却变速箱油液的热交换器，防止过热并确保平稳换档。它通常位于发动机散热器的前面。 (RU) Охладитель трансмиссии колесного погрузчика Volvo L150H: Теплообменник, который охлаждает трансмиссионную жидкость, предотвращая перегрев и обеспечивая плавное переключение передач. Обычно он расположен перед радиатором двигателя.
Doosan DX300LC Excavator Alternator: (EN) An electrical generator that charges the battery and powers the vehicle's electrical systems when the engine is running. It is mounted to the engine and driven by a belt. (ZH) 斗山DX300LC挖掘机交流发电机：一种发电机，在发动机运行时为电池充电并为车辆的电气系统供电。它安装在发动机上，由皮带驱动。 (RU) Генератор переменного тока экскаватора Doosan DX300LC: Электрический генератор, который заряжает аккумулятор и питает электрические системы машины при работающем двигателе. Он крепится к двигателю и приводится в движение ремнем.
Mercedes-Benz Actros Truck EGR Valve: (EN) The Exhaust Gas Recirculation valve reduces emissions by redirecting a portion of the exhaust gas back into the engine's cylinders. It is part of the engine's emission control system. (ZH) 梅赛德斯-奔驰Actros卡车EGR阀：废气再循环阀通过将一部分废气重新导向发动机气缸来减少排放。它是发动机排放控制系统的一部分。 (RU) Клапан EGR грузовика Mercedes-Benz Actros: Клапан рециркуляции выхлопных газов снижает выбросы, перенаправляя часть выхлопных газов обратно в цилиндры двигателя. Является частью системы контроля выбросов двигателя.
JCB 3CX Backhoe Loader Starter Motor: (EN) An electric motor that rotates or "cranks" the internal combustion engine to initiate the engine's operation. It is mounted on the engine block, engaging with the flywheel. (ZH) JCB 3CX挖掘装载机启动马达：一种电动机，用于转动或“摇动”内燃机以启动发动机的运行。它安装在发动机缸体上，与飞轮啮合。 (RU) Стартер погрузчика-экскаватора JCB 3CX: Электродвигатель, который вращает или "прокручивает" двигатель внутреннего сгорания для запуска его работы. Он устанавливается на блоке двигателя и входит в зацепление с маховиком.
Case IH Magnum 380 Tractor Control Arm: (EN) A hinged suspension link between the chassis and the suspension upright or hub that carries the wheel. It is a critical part of the vehicle's suspension system. (ZH) 凯斯Magnum 380拖拉机控制臂：连接底盘和承载车轮的悬挂立柱或轮毂之间的铰接式悬挂连杆。它是车辆悬挂系统的关键部分。 (RU) Рычаг управления трактора Case IH Magnum 380: Шарнирное звено подвески между шасси и стойкой подвески или ступицей, на которой установлено колесо. Это важная часть системы подвески транспортного средства.
Sinotruk HOWO A7 Cabin Air Filter: (EN) Filters the air that enters the vehicle's cabin through the heating, ventilation, and air-conditioning system. It is located behind the glove box or under the dashboard. (ZH) 中国重汽HOWO A7驾驶室空气滤芯：过滤通过暖通空调系统进入车厢的空气。它位于手套箱后面或仪表板下方。 (RU) Салонный воздушный фильтр Sinotruk HOWO A7: Фильтрует воздух, поступающий в салон автомобиля через систему отопления, вентиляции и кондиционирования. Расположен за перчаточным ящиком или под приборной панелью.
Manitou MT 625 Telehandler Radiator: (EN) A heat exchanger used to cool internal combustion engines. It dissipates heat from the engine coolant into the air. It's located at the front of the vehicle. (ZH) 曼尼通MT 625伸缩臂叉装车散热器：用于冷却内燃机的热交换器。它将发动机冷却液的热量散发到空气中。它位于车辆的前部。 (RU) Радиатор телескопического погрузчика Manitou MT 625: Теплообменник, используемый для охлаждения двигателей внутреннего сгорания. Он отводит тепло от охлаждающей жидкости двигателя в воздух. Расположен в передней части машины.
Troubleshooting Guide: Slow Hydraulic Operation on a Komatsu PC360-7 Excavator
Fault Symptom: A customer reported that their Komatsu PC360-7 excavator experiences significantly slow movement in all hydraulic functions (boom, arm, bucket, and travel) after operating for about 30 minutes, especially under load.
Analysis and Solution:
Initial Checks: First, check the hydraulic oil level and check for any visible leaks. Ensure the correct type of hydraulic oil is being used. In this case, the oil level and type were correct.
Pressure Testing: The next step is to check the main relief pressure and pilot pressure. Connect pressure gauges to the main pump output ports. The pressure readings were initially normal at idle but dropped significantly below the standard values once the machine warmed up and was put under load. This pointed towards a problem with either the main hydraulic pump or the main control valve.
Pump Inspection: The investigation focused on the main hydraulic pump. A common cause for this symptom is internal wear in the pump, which becomes more pronounced as the hydraulic fluid heats up and its viscosity decreases. The pump was carefully removed and disassembled.
Root Cause: Upon inspection, the pump's swash plate, pistons, and valve plate showed signs of excessive scoring and wear. This internal leakage prevented the pump from building and maintaining the required pressure at operating temperature, leading to slow hydraulic response.
Solution: The solution was to completely overhaul the main hydraulic pump with a new OEM-spec repair kit, which included new pistons, a valve plate, seals, and bearings. The swash plate was also re-lapped to a smooth finish. After reassembly and reinstallation, the system was flushed, filled with new hydraulic fluid, and bled of air. A final pressure test confirmed that the pressures were stable and within the manufacturer's specifications even after prolonged operation. The excavator's hydraulic functions returned to normal speed and power.
