How to Install a Return Hose Fitting on a Fuel Tank - Illustrated Guide #1803708 (License: Personal Use)

This instructional diagram walks through the critical stages of fitting a return hose onto a fuel tank-starting with drilling a precise hole, inserting the air fitting, securing it with a hex screw from the top view, and finally attaching and sealing the return hose using a gear clamp. The final step shows pressurized testing with yellow fluid indicating proper sealing and function. Each stage is labeled clearly to avoid common installation errors.

Used in automotive DIY repair guides, mechanic training materials, or fuel system upgrade tutorials; targets users seeking hands-on guidance for installing return line fittings on aftermarket or modified fuel tanks.