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Assembling
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Assembling the AGO Film Processor
Assembling starts after you have loaded your film onto reels in darkness and placed them into a Paterson tank. Follow the steps below to prepare the device before starting the development process.
Step 1 Attach the rear stand to the tank
Fit the rear stand onto the Paterson tank before attaching the AGO.
Step 2 Attach AGO to the tank
Place AGO onto the tank with the funnel holes facing down. Press the AGO firmly onto the tank using your upper body weight to ensure the rubber seal seats properly.
Alternatively, place the tank on the ground in a vertical position and attach the AGO from above, pressing down moderately with your bodyweight. Make sure the funnel holes are facing down towards the bottom of the AGO.
Step 3 Place on a flat surface
Place the AGO on a flat surface and you are ready to start developing.
Funnel holes must always face down when attaching AGO to the tank.

Updated on 14 Feb 2026