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helm
Joined: 26 Sep 2007 Posts: 273 City/Region: Medford
State or Province: OR
C-Dory Year: 2006
C-Dory Model: 25 Cruiser
Vessel Name: Chack Chack
Photos: Chack Chack
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Posted: Sat Feb 28, 2015 10:41 pm Post subject: Electric over hydraulic brake install |
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We decided to replace our surge brakes with an electric over hydraulic brake unit. In the end after looking at all the units out there we decided on an Actulink 1600 as it would give us the future option of anti lock braking.
I reviewed the recommendations from each of the actuater manufacturers and felt that for disc brakes a unit that could develop 1600 psi was the consensus for disc brakes
After installing the unit I found that all of my compression brake line fittings leaked when I pulled the breakaway actuator. On my particular unit this activates the unit at 1600 psi for 30 seconds, then drops the pressure to 300 psi.
No amount of tightening or loosing and tighting the compression fittings makes any difference.
This is a 2010 trailer from a well reputed company
The trailer has been in salt water twice other wise all launches are freshwater
Otherwise a top quality product
My questions are
1. what did you use for an EOH actuator
2. What is your max PSI
3. Was it necessary to replace all you brake lines when you did the install
For those of you who have made the change over could you please share your experiences
Should I have chosen an actuator with a lower psi?
Is it the norm to need to change out all off the compression fittings and brake lines when changing to EOH?
What can we do to prevent future issues?
Best
Eric _________________ Lindell 36 "Farfalla"
CD 25 "Chack Chack" Sold 2016
Suzuki 200/Honda 15
Finished the Great Loop July 7, 2011 |
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thataway
Joined: 02 Nov 2003 Posts: 20814 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Sun Mar 01, 2015 12:29 am Post subject: |
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My understanding is that the 1600 PSI is the higher limit for E/H brakes, but many do reach these pressures. The surge brake lines are only rated for about 300 PSI. Thus many have had to change out the hydraulic lines and fittings when switching over.
I am part way thru the process of E/H on a trailer with no brakes, and we have tubing and fittings which are rated at 1600 PSI.
What material are your brake lines and fittings made of? Most likely your system was not rated for anything near the 1600 PSI. _________________ Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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journey on
Joined: 03 Mar 2005 Posts: 3595 City/Region: Valley Centre
State or Province: CA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: journey on
Photos: Journey On
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Posted: Sun Mar 01, 2015 3:15 pm Post subject: |
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I've had the HYDROSTAR actuator since the trailer was new, in 2005. It was installed by EZ Loader. I believe it's a 1200 psi unit, since that's the higheest they've advertised in the past.
I've shortened the lines when I've installed a shorter tongue and replaced the flexible lines from the frame to the brake calipers. And I've replace calipers.
When I shortened the metal brake line, I used a hand tool to double flare the metal line and got a new standard flexible line from the Hydrostar unit to the end of the metal line. When I replaced the lines to the calipers, I ordered them from EZ Loader. Bought the Kodiak calipers on-line. I was never asked what the operating pressure was nor did they leak.
If the connections are leaking, I'd call the actuator mfg. and ask their opinion. Since they're selling the actuator, I'd assume they know what it takes to hydraulic it into the system. Might be it's putting out more than 1600 psi, for example.
Anti-lock sounds nice, but do they tell you how to install that? On cars, there's a sensor for each wheel that tell how fast it's turning and sends that info back to the ABS controller. It's more than just the actuator, but needs sensors at the wheels too. I've not seen that available for trailers, but that may just reflect my ignorance.
Please let us know how it goes.
Boris |
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helm
Joined: 26 Sep 2007 Posts: 273 City/Region: Medford
State or Province: OR
C-Dory Year: 2006
C-Dory Model: 25 Cruiser
Vessel Name: Chack Chack
Photos: Chack Chack
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Posted: Sun Mar 01, 2015 9:48 pm Post subject: |
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Thanks for the replies and insight
We are in the process or replacing the lines and fittings and hopefully that will be the fix. |
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san juanderer
Joined: 12 Aug 2014 Posts: 235 City/Region: Stanwood
State or Province: WA
C-Dory Year: 1990
C-Dory Model: 22 Angler
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Posted: Tue Mar 03, 2015 1:03 am Post subject: EOH with disk brakes |
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Done this on my trailer. Most of the boat trailer brake manufacturers have designed there disk brake system to the 1200 max psi rating. Tie Down being the main supplier, included. A pump rated at 1000 psi is enough, as the system operates at 500 to 600 psi according to Tie Down.
alan _________________ Cdory 22 Angler
SeaSport 24XL, Etec 250 hp (sold)
Rosborough RF246 (sold)
Commander 30 Sportfish (sold)
Olympic 26 XL (sold)
Glassply 19 (sold)
Olympic 23 (sold)
Bayliner 38 Motoryacht (sold)
Olympic 20 (sold)
Fiberform 16 (sold)
Olympic 18 (sold) |
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