Himoinsa Static Fuel Leak in Supply or Return System

Noticeable fuel smell around the Himoinsa generator even when it is not running.

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Possible Causes

Seeping fuel fittings, Porous flexible hoses, Leaking fuel level sender gasket, Hairline crack in day tank

How to Fix / Troubleshooting

Safety: Eliminate all ignition sources. Wear gloves and eye protection. Ensure good ventilation.

  • Trace smell source: Follow the strongest smell to locate damp or stained areas on hoses, tanks, and fittings.
  • Tighten and replace: Tighten loose fittings and replace any hoses showing signs of weeping or cracking with fuel-rated hose.
  • Check level sender: Inspect the gasket around the fuel level sender on the tank top. Replace gasket if seepage is present.
  • Monitor bund: Ensure the base bund is dry and clean. Any recurring fuel accumulation indicates an unresolved leak.
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Repair Difficulty

Easy 2/5

Required Part

Fuel Hose Set
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