when to replace pressure hoses

Mike Jones

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Jun 8, 2011
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How do you decide when to replace your pressure hoses? We had another one `burst' today, this time in a customers home. The outer sheath looked fine- no cracking.
 

floorclean

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I replace a 50’section every year and keep rotating it. I do the same thing with the 2”vac hose as well
 

Jim Davisson

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Portable hoses can go 10 years if cared for. TM hose is a whole different story. I've had 150' continuous Parker hose last 15 years, but coily as hell. Neptune we buy bulk in 500' spools and swage our own hydraulic fittings on. On average 1.5 years on a live reel and we flip them (put the wand end on the bottom of the reel and usually get another year and a half).

You will get to a point where you will see a slight bend in the hose when laid out straight under use, this is where it's going to blow out more often times than not. Typically, it was bent over hard reeling up hot. Mark them with a sharpie for fun and watch them, if you see it will give up the ghost outside the structure one day.

Carry field repair couplings in your tool box. You can cut out the bad section with aviation snips, strip a 1/4" of the sheath off and thread on the field repair coupling and insert and be back in business in 5 minutes flat. Good luck out there!
 

Jim Davisson

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A magic eraser in a Ziploc bag in your truck is a life saver for black death bursts. Whenever possible I disconnected the solution line and jam it down the vacuum hose to mitigate things before moving outside and spreading the joy. It seems 3-4 of these chaotic events are a rite of passage lol
 

mrotto

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i like to be proactive in maintenance. In other words, I dont wait to have things break. So as far as hoses, I replace them every year and sell the used one for 50% of what I pay for the new one either on craigslist or ebay. theres always a carpet cleaner looking for a good deal.
 

Fedri

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Portable hoses can go 10 years if cared for. TM hose is a whole different story. I've had 150' continuous Parker hose last 15 years, but coily as hell. Neptune we buy bulk in 500' spools and swage our own hydraulic fittings on. On average 1.5 years on a live reel and we flip them (put the wand end on the bottom of the reel and usually get another year and a half).

You will get to a point where you will see a slight bend in the hose when laid out straight under use, this is where it's going to blow out more often times than not. Typically, it was bent over hard reeling up hot. Mark them with a sharpie for fun and watch them, if you see it will give up the ghost outside the structure one day.

Carry field repair couplings in your tool box. You can cut out the bad section with aviation snips, strip a 1/4" of the sheath off and thread on the field repair coupling and insert and be back in business in 5 minutes flat. Good luck out there!
I don't know if it helps or not but I always turn off my heater 5 min before finishing the wanding so things can cool down on every job.
 
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Fedri

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I had 2x in the past that the hose got burst and both were on their 3rd years, that is why I use them 2 full years.
 

The Cleaning Artist

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We replace about every 9 months. Some hoses we have tried only lasted 3 to 4 months b4 they blew out.
 

Jim Davisson

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I don't know if it helps or not but I always turn off my heater 5 min before finishing the wanding so things can cool down on every job.
It's always been said it's best to cool down any heat exchangers before shut down.

With air cooled TM's it's best to dump heat in the heat exchanger while still at half throttle or better and then straight shut it off. A really hot air cooled engine lacks cooling capacity at an idle and trying to cool one down that just ran like a scalded dog at an idle like that is a false economy and I believe shortens it's lifespan.
 
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Mike Jones

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Jun 8, 2011
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Thanks for all the response. So, so far, the consensus ;) to how do you decide when to replace your (TM) pressure hose, is:
3-4 months
9 months
annually
1-2 years
When virgo passes through gemini.

So mostly we are all just guessing, and hoping we don't have a blow out. Someone suggested `a magic eraser in a Ziploc bag in your truck' is helpful. Is that anything like carrying a rabbits foot in your pocket? I'm not clear on how providing transportation to a magic eraser contributes to the decision making process.

Someone said `look for a slight bend in the hose when laid out straight under use'. The blow out we had yesterday didn't present it self like that. Have others noticed that a slight bend in a hose laid out straight is an indicator?

All kidding aside, it does seem like this is a difficult problem to solve, short of frequently (whatever that means) replacing hoses. Putting ones hoses on a schedule also has it's issues. Do you just remember which hose was replaced, and when, or do you tag your hoses with a date somehow? And wouldn't basing the swapping or replacing of ones hoses be better based on hours of machine use rather than on the calendar?
 

thumper@twow.com

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Heres what I found. The hotter you run and more preasure the less life of hose. We run on one mount. 800 to 1000 psi 280 to 290 temp going into a 10 flow for tools...wand ....drag bar...foor tool etc. Yes that is extreme. (I don't like making a career out of a job.) This truck was getting hoses rotated once a week and fully replaced once every 4 months. I started running soft water and hoses are good still after 9 months but I replace them anyways out of fear of bad things happening. The other truck we never go above 700 psi and I think it gets 230 degrees..it has a 4 ht. Those hoses last a year. I will get a Soft water system in that van. Soft water is great...and way less chems.
 

Todd the Cleaner

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I buy a new 100 foot lead hose every year and then I take the old 100 footer and have it cut into two 50’s. I rotate them through the hose reel so that the oldest is the last hose I’d use. As I rotate the hoses through I toss the oldest ones each year. By the time I toss the hose it’s been on my hose reel for 3 years.
 

Fedri

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Thanks for all the response. So, so far, the consensus ;) to how do you decide when to replace your (TM) pressure hose, is:
3-4 months
9 months
annually
1-2 years
When virgo passes through gemini.

So mostly we are all just guessing, and hoping we don't have a blow out. Someone suggested `a magic eraser in a Ziploc bag in your truck' is helpful. Is that anything like carrying a rabbits foot in your pocket? I'm not clear on how providing transportation to a magic eraser contributes to the decision making process.

Someone said `look for a slight bend in the hose when laid out straight under use'. The blow out we had yesterday didn't present it self like that. Have others noticed that a slight bend in a hose laid out straight is an indicator?

All kidding aside, it does seem like this is a difficult problem to solve, short of frequently (whatever that means) replacing hoses. Putting ones hoses on a schedule also has it's issues. Do you just remember which hose was replaced, and when, or do you tag your hoses with a date somehow? And wouldn't basing the swapping or replacing of ones hoses be better based on hours of machine use rather than on the calendar?
It all depends how you use them, I said for me I need to change them every 2 years because I don't go more then 600 psi and about 180 degrees that i hit at my wand, I always cool my hose after every job. I never had my hose to burst in a short period of time but can it happen? Sure it can, just like brand new tires can also go flat.
 

Jim Davisson

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All kidding aside, it does seem like this is a difficult problem to solve, short of frequently (whatever that means) replacing hoses. Putting ones hoses on a schedule also has it's issues. Do you just remember which hose was replaced, and when, or do you tag your hoses with a date somehow? And wouldn't basing the swapping or replacing of ones hoses be better based on hours of machine use rather than on the calendar?
Was your original post a rhetorical question? I'm confused now.
 

OxiFreshGuy

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Been using the same 150 ft hose for 3 years. All four trucks the hoses are that old. Granted we use super soft water too.
 

Anderson

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Aug 16, 2006
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Belton Texas
Portable hoses can go 10 years if cared for. TM hose is a whole different story. I've had 150' continuous Parker hose last 15 years, but coily as hell. Neptune we buy bulk in 500' spools and swage our own hydraulic fittings on. On average 1.5 years on a live reel and we flip them (put the wand end on the bottom of the reel and usually get another year and a half).

You will get to a point where you will see a slight bend in the hose when laid out straight under use, this is where it's going to blow out more often times than not. Typically, it was bent over hard reeling up hot. Mark them with a sharpie for fun and watch them, if you see it will give up the ghost outside the structure one day.

Carry field repair couplings in your tool box. You can cut out the bad section with aviation snips, strip a 1/4" of the sheath off and thread on the field repair coupling and insert and be back in business in 5 minutes flat. Good luck out there!
so parker hose wont burst or at least wont give black death????
 

OxiFreshGuy

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No clue, all I know is these hoses have lasted three years. I've mentioned to the boss we should replace them lol