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Author Topic:   Hydraulic Steering: How Much Play

mike taylor posted 04-07-2009 04:51 PM ET (US)
[Asked how much play in the hydraulic system was normal. This article was originally appended to a discussion that had been dormant for six years. The article has been separated into its own thread.--jimh]
acseatsri posted 04-08-2009 07:27 PM ET (US)
If there's any movement, you still have air. If you have the bleeder tees, get some 5/16" ID (I believe) clear plastic tubing, place it over the open left bleeder valve, and run it back to the helm pump, making sure the pump is full. Push the engine all the way to the left, place a vise grip with a heavy rag GENTLY on the cylinder rod (so you don't scratch or mar it) to hold the engine from turning, and pump the wheel until there is no more air present in the line. Close bleeder valve and repeat with other side (move the engine to the right). If the level gets too low in the helm pump, you'll re-introduce air into the line again.
jimh posted 04-08-2009 08:37 PM ET (US)
I think the specified allowance for movement in a typical Teleflex hydraulic steering system is about 0.25-inch or 6-mm.
ASIDE: I deleted the duplicate articles which were posted on this same topic by the author who revived this old discussion.
mike taylor posted 04-11-2009 02:54 PM ET (US)
[The author announces he will investigate his hydraulic steering based on the advice given.]
jimh posted 04-12-2009 03:13 PM ET (US)
In the instructions that are provided by Teleflex with their hydraulic steering systems they provide a specification for the allowed amount of play in a properly configured hydraulic system.

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Author	Topic: Hydraulic Steering: How Much Play
mike taylor	posted 04-07-2009 04:51 PM ET (US) [Asked how much play in the hydraulic system was normal. This article was originally appended to a discussion that had been dormant for six years. The article has been separated into its own thread.--jimh]
acseatsri	posted 04-08-2009 07:27 PM ET (US) If there's any movement, you still have air. If you have the bleeder tees, get some 5/16" ID (I believe) clear plastic tubing, place it over the open left bleeder valve, and run it back to the helm pump, making sure the pump is full. Push the engine all the way to the left, place a vise grip with a heavy rag GENTLY on the cylinder rod (so you don't scratch or mar it) to hold the engine from turning, and pump the wheel until there is no more air present in the line. Close bleeder valve and repeat with other side (move the engine to the right). If the level gets too low in the helm pump, you'll re-introduce air into the line again.
jimh	posted 04-08-2009 08:37 PM ET (US) I think the specified allowance for movement in a typical Teleflex hydraulic steering system is about 0.25-inch or 6-mm. ASIDE: I deleted the duplicate articles which were posted on this same topic by the author who revived this old discussion.
mike taylor	posted 04-11-2009 02:54 PM ET (US) [The author announces he will investigate his hydraulic steering based on the advice given.]
jimh	posted 04-12-2009 03:13 PM ET (US) In the instructions that are provided by Teleflex with their hydraulic steering systems they provide a specification for the allowed amount of play in a properly configured hydraulic system.