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Technical Discussion Forum For the discussion of technical questions about Professional Cars and their repair and maintenance. Posting in this forum is limited to PCS Members and / or Site Supporters. We encourage all website users to become members of the Professional Car Society and / or become Site Supporter.

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Old 02-19-2011, 06:44 PM
Jim Staruk Jim Staruk is offline
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Default Rico suction unit

Can someone please explain how the Rico suction unit works? I believe it's attached somewhere to the engine? As always, thanks!
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Old 02-19-2011, 07:18 PM
Lane Hobbs Lane Hobbs is offline
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Default Suction Units

Some units from the early years were operated by a hand pump. In the later days, these units were powered by a battery that was often re-charged with a plug in inside the rear of the unit.
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Old 02-19-2011, 08:03 PM
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Ron Devies Ron Devies is offline
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Default Rico vs. Laerdal

Rico Suction was the cylindrical unit that ran off of a vacuum line off of the engine and some units had a hand pump. Laerdal suction ran off the battery or had a inverter plug in.
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Old 02-19-2011, 09:36 PM
Jim Staruk Jim Staruk is offline
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Quote:
Originally Posted by Ron Devies View Post
Rico Suction was the cylindrical unit that ran off of a vacuum line off of the engine and some units had a hand pump. Laerdal suction ran off the battery or had a inverter plug in.
Thanks. But I'm trying to understand how it was hooked up to the engine to create a suction. Was is simply electrical or did the engine actually do the "sucking"?
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Old 02-19-2011, 09:57 PM
Jon VanDermark Jon VanDermark is offline
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The engine is one big air pump, connect a tube to the intake and it'll draw a vacuum. Vacuum hoses connect to different points depending on what they're doing. If you can understand how a vacuum cleaner's hose works, that's how vacuum lines work. Same with the Rico syle suction. There was a line run to the engine intake. The other suction units mentioned used either a self contained bellows (the foot pump) or an electrically operated piston (Laederal) to create the suction.

R/ Jon
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The Following 3 Users Say Thank You to Jon VanDermark For This Useful Post:
Jim Staruk (02-19-2011), Ron Devies (02-20-2011), Russell Dalziel (02-20-2011)
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