Chafing Engine Hoses

[LADY JANE]

The most overlooked major malfunction regarding the D1-30 engine and the R21EC are all those loosly routed hoses. These rubber lines are being slowly eaten up and severed by chafing against the engine, the boat structure, and themselves. Going unchecked, failure of the engine and it's systems is eminent. Diesel engine vibration must be taken into consideration when stabilizing each line for sufficient clearance. The addition of stainless steel "Adel Clamps" need to be added all along the route of each loose chafing hose. But like corrosion, some boats will obviously have more and worse chafing than others. They all have it. Any type of suggestion or comment to eliminate this serious condition is welcome. ~ BB

 

[baz]

Hoses can be encapsulated with a stainless braiding which should help to avoid premature chafing and subsequent hose failure(s).

Even the engines on the other Ranger models have hoses (some visible and some hidden from view) routed in and around the engine.

The one BIG advantage for the R-21EC Volvo Penta D1-30 is that all the hoses can be seen and inspected at a glance.

I would assume all engines within the Ranger family of boats need periodic hose inspection for pin holes, softness, chafing and leaks.

 

[Andrew Custis]

I would be interested in seeing photos of the damaged hoses you are speaking of or if this is purely an assumption. Hoses should definitely be secured and routed properly so please share your issue with us so we can make improvements to the boat if needed. Please use my direct email for photos andrewcustis@rangertugs.com.

Thank you,

 

[SGIDAVE]

The most overlooked major malfunction regarding the D1-30 engine and the R21EC are all those loosly routed hoses. These rubber lines are being slowly eaten up and severed by chafing against the engine, the boat structure, and themselves. Going unchecked, failure of the engine and it's systems is eminent. Diesel engine vibration must be taken into consideration when stabilizing each line for sufficient clearance. The addition of stainless steel "Adel Clamps" need to be added all along the route of each loose chafing hose. But like corrosion, some boats will obviously have more and worse chafing than others. They all have it. Any type of suggestion or comment to eliminate this serious condition is welcome. ~ BB

Hello BB,

OK, I'll take the bait.

Your post reads like a paragraph from a text book. Everyone is interested in preventing chafe in the engine area. Please provide specifics to include pictures of your "rubber lines being slowly eaten up and severed by chafing..." This is curious to me as my Yanmar-powered 21EC likely has most, if not all, the same "lines" that your Volvo-equiped boat. In the interest of CONSTRUCTIVE information, rather than vague, general, nonspecifics, PLEASE provide show and tell. The rest of us owners need to know what to whats for and I'm sure the factory wants to know what more they should do to prevent premature shredding of the 21ECs rigging.

dave

 

[Captain Nice]

Not a chafing issue, but anyone not averse to the effort of removing the fridge (four screws) may want to check their heater hoses. The starboard-most bottom door track screw on my boat penetrated one of them (they pass under the door sill from the bilge) and caused a pretty substantial loss of coolant.

CN

 

[LADY JANE]

Can I add "Adel" hose clamps to tighten up my loose & chafing engine hoses? The chafing hoses need to be corrected properly now with 50 hrs of wear, but I'm afraid to Modify anything engine related because of Warranty issues. I guess a better question would be, How Do I get ahold of Volvo Penta? ~ BB+LadyJane

 

[PhilR]

A few years ago, when correcting the faulty coolant hose problem on my 4BY2- 180, my mechanic put protective covering on several hoses that were rubbing on other components and chafing as a result.

 

[walldog]

Can I add "Adel" hose clamps to tighten up my loose & chafing engine hoses? The chafing hoses need to be corrected properly now with 50 hrs of wear, but I'm afraid to Modify anything engine related because of Warranty issues. I guess a better question would be, How Do I get ahold of Volvo Penta? ~ BB+LadyJane

You seem to be ignoring Andrew. Andrew is with Ranger Tugs. These are the people that built your boat. Volvo Penta will not help you with installation problems, they will refer you to the boat builder.

Re: Chafing Engine Hoses
Postby Andrew Custis on Fri Aug 14, 2015 5:04 pm

I would be interested in seeing photos of the damaged hoses you are speaking of or if this is purely an assumption. Hoses should definitely be secured and routed properly so please share your issue with us so we can make improvements to the boat if needed. Please use my direct email for photos andrewcustis@rangertugs.com.

Thank you,

 

[Bruce Moore]

The two topic threads addressing hose chafing have been merged.

 

[baz]

Herb: In another posting BB+ (Lady Jane) has photos exposing the hose chafing issue being forwarded to Andrew. So I believe Andrew is now in the loop as he requested. 🙂

 

[LADY JANE]

Thankfully, no one is ignoring Andrew. Photos are being shot & downloaded (or Uploaded) of the 50 hr engine to Andrew. Just trying to get a dozen or more as viewable as possible. ~ BB+

 

[LADY JANE]

Due to the typical hose routing configuration of a D1-30 engine installation for R-21EC's, the hot water hose, heater hose, and large exhaust hoses are the most susceptible to major chafing damage. Members have asked me to post a few pictures of chafing hose conditions after 50 hrs run time and are welcome to visit my Tugnuts Photo Album #122 to view those damaged hoses, to compare any possible similarities with their own engine hoses. I haven't done any modifications to this factory hose routing yet until I get the go ahead with the approved corrective action. That will retain my Warranty Coverage once complied with. Report any engine hose damage to the factory rep: Andrew Custis <andrewcustis@rangertugs.com.> ~ Lady Jane + Bill B

 

[baz]

Lady Jane + Bill B

Due to your issues with hose chafing I've benefited because the Ranger Tug factory has installed anti-chafing protection on all my engine hoses that are subject to being chafed as a result of vibration etc. They used some form of blue-looking anti-chafing hose material that they recently ordered to deal with this. I was at factory today and Kenny showed me what had been done. Unfortunately in the 'excitement' I forgot to take pictures showing what all was done. No matter, this is a first for my R-21EC and suspect it will now be standard fare for all future R-21ECs being built up.

Kenny Marrs will be taking our R-21EC to the water later today to check things out and will give me a status of how it all went... especially what engine parameters can be displayed on the Garmin 741XS MFD via the new Volvo NMEA 2K Gateway installation. I'll post back with this info later.

[EDIT]
Here's what can be displayed....

· Engine Coolant Temp
· Engine RPM
· Engine Hours
· Engine battery voltage

The factory were kind enough to install my complete Raymarine SmartPilot SPX5-R + p70R Control head and it looks super good and a very clean install indeed. I'll post photos later.

The King Marine Canvas (Bimini top + full enclosure) in Charcoal gray color has yet to arrive and am told its installation is awaiting for the boat to be in 'final' condition before it's installed.... so no photos of it can be made... but will post later.

I setup with Kenny to have a full set (well almost a full set) of spares delivered with the boat which is scheduled for Aug 26. This includes all the engine stuff, thruster fuse, spare plastic hand knobs for securing the mast in upright position, bilge pump extras, and so on.

Margaux was on hand affixing "Laxey" and the WA registration numbers on the boat... so captured that with my camera.

The Ranger gray is difficult to get right in the photos... but it does look gorgeous. 😀

 

[sheral]

Nice work Baz! Please keep us in the loop with the NMEA 2000 info. If you learn what the hose covering material is called please let us know as we will 'retrofit' any possible vulnerable hoses this winter 😀

 

[baz]

Nice work Baz! Please keep us in the loop with the NMEA 2000 info. If you learn what the hose covering material is called please let us know as we will 'retrofit' any possible vulnerable hoses this winter 😀

At this time I'm told the following engine info is made available on the Garmin MFD (741XS in my case) via the Garmin NMEA 2K Gateway...

· Engine Coolant Temp
· Engine RPM
· Engine Hours
· Engine battery voltage

[EDIT] - In addition, unlike for most R-21ECs, given there's now a NMEA 2000 backbone in the boat the Fusion radio and the VHF radio are now seen by the Garmin 741XS MFD. It's the '2K backbone' that provides this capability and has nothing to do with the NMEA 2K Gateway device.

The hose covering on my R-21EC for avoiding chafing issues is Ranger's first attempt to deal with this potential issue. For their future boats they may use some other product(s) for this as they learn more and extend it to other areas where hoses pass through bulkheads for example.

From my perspective Ranger went the 'extra mile' when building my R-21EC to ensure the hose chafing issue is resolved but that what they do on future boats for making sure hoses are routed and protected properly is under review. There's no doubt in my mind that Ranger will be addressing this issue on future boats and this may very well be different from what they did on my R-21EC.

When I next get the opportunity to see my R-21EC I'll take some pics of the engine that show what Ranger did to avoid the hose chafing aspect... and again, on future boats this may be different.

 

[sheral]

Copy, thank you.

 

[LADY JANE]

Before our all day boat trip last weekend, I wrapped up the D1-30's chafing hoses with hose-tape (three times around) just to get some temporary relief from any further wear and damage. But after the 8 hrs of 3 cylinder engine vibration, the tape had been chafed clear through. So now, we are very anxious to try some of the new Blue Anti-chafing Material from the Factory. It will definitely help. - BB+ "LadyJane"

 

[LADY JANE]

Andrew and Kenny, We Thank You for your support on this and so many TUGNUTS issues.

 

[baz]

The hose covering on my R-21EC for avoiding chafing issues is Ranger's first attempt to deal with this potential issue. For their future boats they may use some other product(s) for this as they learn more and extend it to other areas where hoses pass through bulkheads for example.

From my perspective Ranger went the 'extra mile' when building my R-21EC to ensure the hose chafing issue is resolved but that what they do on future boats for making sure hoses are routed and protected properly is under review. There's no doubt in my mind that Ranger will be addressing this issue on future boats and this may very well be different from what they did on my R-21EC.

When I next get the opportunity to see my R-21EC I'll take some pics of the engine that show what Ranger did to avoid the hose chafing aspect... and again, on future boats this may be different.

Here are a few photos I placed in my Photos Album showing Ranger's approach to the potential hose chafing on my R-21EC engine. Future methods may be different as Ranger explores this issue.

http://www.tugnuts.com/gallery2.php?g2_itemId=42215

 

[SGIDAVE]

What is the blue stuff made of?

dave