KOSHIN SEH-25H

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

Model: SEH-25H

Zavedení

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.

Bezpečnostní informace

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.

Komponenty skončilyview

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

KOSHIN SEH-25H 1-inch gasoline water pump, front-side view

Obrázek 1: Přední strana view of the KOSHIN SEH-25H water pump, showing the pump casing, engine, and carrying handle.

KOSHIN SEH-25H 1-inch gasoline water pump, side view showing Honda GXH50 engine

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

KOSHIN SEH-25H 1-inch gasoline water pump, front view motoru

Obrázek 3: Přední strana view of the Honda GXH50 engine, showing the air filter housing and engine controls.

Mezi klíčové komponenty patří:

Nastavení

1. Vybalení a kontrola

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.

KOSHIN SEH-25H product box showing specifications and accessories

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

KOSHIN SEH-25H product box showing performance data

Obrázek 5: Další view of the product packaging, illustrating performance data and operational guidelines.

2. Přidejte motorový olej

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. Doplňte palivo

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

4. Připojte hadice

5. Prime the Pump

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.

Návod k obsluze

1. Spuštění motoru

  1. Ensure the pump is on a stable, level surface.
  2. Open the fuel valve (if applicable).
  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. Jakmile motor nastartuje, postupně posouvejte páčku sytiče do polohy „RUN“, zatímco se motor zahřívá.
  7. Adjust the throttle to the desired operating speed.

2. Zastavení motoru

  1. Přesuňte páku plynu do polohy „POMALU“ nebo „VOLNOBĚH“.
  2. Otočte spínač motoru do polohy „VYPNUTO“.
  3. Close the fuel valve (if applicable).

3. Obecné provozní pokyny

KOSHIN 1-inch pump in action, washing agricultural equipment

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.

Údržba

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)

2. Pravidelná údržba

3. Skladování

For extended storage, prepare the pump as follows:

Odstraňování problémů

Tato část obsahuje řešení běžných problémů, se kterými se můžete setkat.

ProblémMožná příčinaŘešení
Motor nenastartujeNo fuel; Engine oil low; Choke not set correctly; Spark plug faulty; Fuel valve closed.Add fuel; Add engine oil; Adjust choke; Clean/replace spark plug; Open fuel valve.
Pump does not prime / No water flowČerpadlo casing not filled with water; Air leak in suction hose/connections; Suction hose not submerged; Suction strainer blocked; Impeller/volute clogged.Naplňovací čerpadlo casing; Check and tighten all suction connections; Submerge hose fully; Clean strainer; Clean pump casing/impeller.
Nízký tlak/průtok vodyPartial blockage in suction/discharge; Air leak; Worn impeller/seals; Engine running too slow.Check for blockages; Check for air leaks; Inspect and replace worn parts; Increase engine speed.
Nadměrné vibrace/hlukPump not on level surface; Loose bolts; Debris in pump casing; Worn bearings.Place on level surface; Tighten all fasteners; Clean pump casing; Contact service for worn bearings.

Specifikace

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

ModelSEH-25H
VýrobceKoshin Ltd. Japan
Typ motoruHonda GXH50 4-stroke, air-cooled gasoline engine
Zdvihový objem motoru49 cm³
Výkon motoru1.6 kW (2.2 HP) / 7000 rpm
Kapacita palivové nádrže0.77 l
Provozní doba (plná nádrž)Přibl. 1 hodina
Suction/Discharge Port Diameter1 palec (25 mm)
Max. Discharge Volume135 L/min (8.1 m³/h)
Max. Vypouštěcí hlava43 m
Max. sací výška8 m
Rozměry (D x Š x V)405 x 302 x 447 mm (15.9 x 11.9 x 17.6 palce)
Hmotnost12 kg (26.5 lb)
MateriálDie-cast aluminum pump casing
Max. Solid Particle Size2 mm
KOSHIN SEH-25H pump performance curve graph

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

Standardní příslušenství

Záruka a podpora

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.