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Author Topic:   Verado hydraulic steering

errol posted 06-30-2012 06:44 PM ET (US)
Recent rupture of hydraulic steering tubing on my 345 triple rig (at sea) reminded me the same happened (5 years ago) on twin rig 150HP verado on my then 255 (in kinder circumstances).Heard of similar recent experience of twin 275 verado on a Hydrasport very wide. They had a long and slow trip back using diff power to steer. (I had the bow thruster to aid me). Am I alone or is this common?
Jefecinco posted 06-30-2012 06:51 PM ET (US)
I'm unclear as to what engines you are discussing. The four cylinder engines, I believe, use hydraulic steering. The six cylinder engines use power steering which utilizes an electric power steering pump.
At any rate, on Glens website, veradoclub.com, he recommends covering steering hoses with a braided material to protect them from sun damage.
Butch
Peter posted 06-30-2012 08:22 PM ET (US)
Whaler rigs the Conquest 255 with power steering when powered by the 4 cylinder Verados.
jimh posted 07-01-2012 08:04 AM ET (US)
When you say "rupture of hydraulic steering tubing" it make me think of a rigid tubing. Was your failure in a rigid tube? Or in a flexible hose?
errol posted 07-01-2012 08:06 AM ET (US)
The verados I.m discussing are the 6 cylinder 250HP. This steering is hydraulic with electric power assist. I have been at sea in a gale on a 305 with twin 250s when the electric power assist failed, but we still had manual hydraulic steering which is stiff and difficult, but you can steer. When you rupture a hydraulic hose you're left with nothing, except differential engine steering. OK in slight seas and low speeds. If you're out wide a long slow trip home. I'm just surprised this has happened to me twice and have heard of another local incident. Curious about other experiences
errol posted 07-01-2012 08:07 AM ET (US)
and Jimh the rupture was on the flexible hose close to the engine
Jefecinco posted 07-01-2012 10:33 AM ET (US)
Errol,
To avoid another hose failure I would protect the hoses from the sun as suggested earlier.
If the other hoses in the system are getting old it may be wise to replace them under the theory that if one fails the others may be close behind.
If the hoses are not old I would consider it possible that the hose that failed was simply a defective hose. I would also talk with a Certified Verado Technician about the failure and get his opinion. If there is a relief valve that failed to function it could have caused a high pressure jolt in the failed hose.
When power steering is turned to it's limits there is usually a relief or bypass valve that opens.
Butch

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Author	Topic: Verado hydraulic steering
errol	posted 06-30-2012 06:44 PM ET (US) Recent rupture of hydraulic steering tubing on my 345 triple rig (at sea) reminded me the same happened (5 years ago) on twin rig 150HP verado on my then 255 (in kinder circumstances).Heard of similar recent experience of twin 275 verado on a Hydrasport very wide. They had a long and slow trip back using diff power to steer. (I had the bow thruster to aid me). Am I alone or is this common?
Jefecinco	posted 06-30-2012 06:51 PM ET (US) I'm unclear as to what engines you are discussing. The four cylinder engines, I believe, use hydraulic steering. The six cylinder engines use power steering which utilizes an electric power steering pump. At any rate, on Glens website, veradoclub.com, he recommends covering steering hoses with a braided material to protect them from sun damage. Butch
Peter	posted 06-30-2012 08:22 PM ET (US) Whaler rigs the Conquest 255 with power steering when powered by the 4 cylinder Verados.
jimh	posted 07-01-2012 08:04 AM ET (US) When you say "rupture of hydraulic steering tubing" it make me think of a rigid tubing. Was your failure in a rigid tube? Or in a flexible hose?
errol	posted 07-01-2012 08:06 AM ET (US) The verados I.m discussing are the 6 cylinder 250HP. This steering is hydraulic with electric power assist. I have been at sea in a gale on a 305 with twin 250s when the electric power assist failed, but we still had manual hydraulic steering which is stiff and difficult, but you can steer. When you rupture a hydraulic hose you're left with nothing, except differential engine steering. OK in slight seas and low speeds. If you're out wide a long slow trip home. I'm just surprised this has happened to me twice and have heard of another local incident. Curious about other experiences
errol	posted 07-01-2012 08:07 AM ET (US) and Jimh the rupture was on the flexible hose close to the engine
Jefecinco	posted 07-01-2012 10:33 AM ET (US) Errol, To avoid another hose failure I would protect the hoses from the sun as suggested earlier. If the other hoses in the system are getting old it may be wise to replace them under the theory that if one fails the others may be close behind. If the hoses are not old I would consider it possible that the hose that failed was simply a defective hose. I would also talk with a Certified Verado Technician about the failure and get his opinion. If there is a relief valve that failed to function it could have caused a high pressure jolt in the failed hose. When power steering is turned to it's limits there is usually a relief or bypass valve that opens. Butch