KOSHIN SEH-25H 1-Inch Gasoline Water Pump User Manual

Уводзіны

This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your KOSHIN SEH-25H 1-inch gasoline water pump. The SEH-25H is a compact and versatile self-priming centrifugal pump, powered by a reliable Honda GXH50 4-stroke engine, designed for various water transfer applications including irrigation, draining ponds, and washing agricultural equipment. Please read this manual thoroughly before operating the pump.

Інфармацыя па бяспецы

Always prioritize safety when operating the KOSHIN SEH-25H water pump. Failure to follow these instructions can result in serious injury or damage to the equipment.

• Прачытайце Інструкцыю: Перад выкарыстаннем азнаёмцеся з усімі працэдурамі эксплуатацыі і папярэджаннямі аб бяспецы.
• Вентыляцыя: Operate the pump in a well-ventilated area. Engine exhaust contains carbon monoxide, which is a colorless, odorless, and poisonous gas.
• Бяспека паліва: Gasoline is highly flammable. Refuel in a well-ventilated area with the engine off and cool. Do not smoke or allow open flames near the pump.
• Гарачыя паверхні: The engine and muffler become very hot during operation and remain hot for a period after stopping. Avoid contact to prevent burns.
• Электрабяспека: Do not operate the pump in wet conditions or near standing water unless specifically designed for submersible use (this pump is not).
• Стабільная паверхня: Place the pump on a firm, level surface to prevent tipping during operation.
• Абарона вачэй: Wear appropriate eye protection when operating or maintaining the pump.
• Дзеці і хатнія жывёлы: Трымайце дзяцей і хатніх жывёл далей ад працоўнай зоны.

Кампаненты скончылісяview

The KOSHIN SEH-25H pump consists of several key components. Understanding their location and function is crucial for proper operation.

Малюнак 1: Пярэдняя частка view of the KOSHIN SEH-25H water pump, showing the pump casing, engine, and carrying handle.

Малюнак 2: бок view of the pump, highlighting the Honda GXH50 engine with its recoil starter and fuel tank.

Малюнак 3: Спераду view of the Honda GXH50 engine, showing the air filter housing and engine controls.

Асноўныя кампаненты ўключаюць:

• рухавік: Honda GXH50 4-stroke gasoline engine.
• паліўны бак: Located on top of the engine, capacity 0.77 L.
• Адкатны стартар: Выкарыстоўваецца для ручнога запуску рухавіка.
• Помпа Сasing: Made of die-cast aluminum, houses the impeller.
• Suction Port (Inlet): 1-inch (25mm) connection for the intake hose.
• Discharge Port (Outlet): 1-inch (25mm) connection for the discharge hose.
• Заліўны порт: Cap for filling the pump casing with water before starting.
• Дрэнажная корак: For draining water from the pump casing.
• Вечка/макавы шчуп для залівання алею: Для праверкі і далівання маторнага алею.
• Ручка для пераноскі: Для зручнай транспарціроўкі.

Настройка

1. Распакаванне і праверка

Carefully remove the pump from its packaging. Inspect for any shipping damage. Ensure all standard accessories are present: 1 strainer (suction basket), 2 hose nipples, 3 hose bands, and 1 engine tool set.

Figure 4: The product packaging for the KOSHIN SEH-25H, detailing key specifications and included standard accessories.

Малюнак 5: Яшчэ адзін view of the product packaging, illustrating performance data and operational guidelines.

2. Дадайце маторнае масла

The engine is shipped without oil. Fill the engine crankcase with the recommended 4-stroke engine oil (e.g., SAE 10W-30) up to the upper level mark on the dipstick. Do not overfill. The pump features a low oil safety shutdown.

3. Дадайце паліва

Fill the fuel tank with unleaded gasoline. Ensure the fuel cap is securely tightened after refueling.

4. Падключыце шлангі

• Ўсмоктвальны шланг: Attach a reinforced suction hose (1-inch/25mm diameter) to the suction port. Ensure all connections are airtight to prevent air leaks, which can affect priming. Submerge the strainer end of the suction hose completely in the water source.
• Вывадны шланг: Connect a discharge hose (1-inch/25mm diameter) to the discharge port. Secure with hose bands.

5. Заліце ​​помпу

Before starting, the pump casing must be filled with water. Remove the priming port cap and slowly pour clean water into the pump casing until it overflows. Replace the cap securely. This step is critical for self-priming pumps.

Інструкцыя па эксплуатацыі

1. Запуск рухавіка

1. Ensure the pump is on a stable, level surface.
2. Адкрыйце паліўны кран (калі ёсць).
3. Move the choke lever to the "CHOKE" position (cold engine start).
4. Move the throttle lever slightly to the "FAST" position.
5. Pull the recoil starter handle slowly until resistance is felt, then pull sharply and smoothly. Repeat until the engine starts.
6. Пасля запуску рухавіка паступова пераводзьце рычаг дросельнай засланкі ў становішча «RUN» па меры яго прагрэву.
7. Adjust the throttle to the desired operating speed.

2. Прыпынак рухавіка

1. Перамясціце рычаг дросельнай засланкі ў становішча «ПАВОЛЬНА» або «ХАЛАСЦІСТЫ ХОД».
2. Павярніце выключальнік рухавіка ў становішча «ВЫКЛ».
3. Close the fuel valve (if applicable).

3. Агульныя рэкамендацыі па эксплуатацыі

• Do not run the pump dry. Ensure the suction hose is always submerged in water during operation.
• Monitor the pump for unusual noises or vibrations.
• The pump is designed for clean water with solid particles up to 2mm in diameter. Avoid pumping highly abrasive fluids or large debris.
• The pump can operate for approximately 1 hour on a full tank of fuel.

Figure 6: The KOSHIN 1-inch pump in action, demonstrating its use for washing agricultural equipment. This highlights its versatility for various water transfer tasks.

Тэхнічнае абслугоўванне

Regular maintenance ensures the longevity and optimal performance of your KOSHIN SEH-25H pump. Always perform maintenance with the engine off and cool.

1. Daily Checks (Before Each Use)

• Праверце ўзровень алею ў рухавіку і пры неабходнасці даліце ​​яго.
• Праверце ўзровень паліва.
• Inspect hoses and connections for leaks or damage.
• Check the suction strainer for blockages.

2. Перыядычнае тэхнічнае абслугоўванне

• Замена маторнага алею: Мяняйце маторны алей пасля першых 20 гадзін працы, затым кожныя 50 гадзін або штогод.
• Ачыстка паветранага фільтра: Clean the air filter element every 50 hours or more frequently in dusty conditions.
• Праверка свечак запальвання: Правярайце і чысціце свечку запальвання кожныя 100 гадзін. Пры неабходнасці замяняйце.
• Помпа Сasing Уборка: Помпа casing can be easily removed for cleaning. Periodically inspect the impeller and volute for debris or wear.

3. Захоўванне

For extended storage, prepare the pump as follows:

• Drain all fuel from the fuel tank and carburetor.
• Drain water from the pump casing.
• Замяніць маторнае масла.
• Выміце свечку запальвання і заліце ​​невялікую колькасць маторнага алею ў цыліндр. Пацягніце за ручку стартара некалькі разоў, каб размеркаваць алей, затым усталюйце свечку запальвання назад.
• Ачысціце знешнія паверхні помпы.
• Захоўваць у чыстым, сухім месцы.

Ліквідацыю непаладак

У гэтым раздзеле прадстаўлены рашэнні распаўсюджаных праблем, з якімі вы можаце сутыкнуцца.

Тэхнічныя характарыстыкі

Detailed technical specifications for the KOSHIN SEH-25H water pump.

Figure 7: Performance curve graph for KOSHIN SEH-25H, SEH-25L, and SEV-25L pumps, illustrating the relationship between total head and delivery volume.

Стандартныя аксэсуары

• 1 x Suction Strainer (Basket)
• 2 x Hose Nipples
• 3 x Hose Bands
• 1 x Engine Tool Set

Гарантыя і падтрымка

KOSHIN Ltd. is a renowned manufacturer of pumps, known for quality and durability. For warranty information, technical support, or spare parts, please contact your authorized KOSHIN dealer or visit the official KOSHIN website. Always use genuine KOSHIN spare parts to ensure optimal performance and safety.