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Old 11 December 2003, 17:16   #1
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New 'old' RIB

Hi,
First post so treat me gently....

I've just last week brought a secondhand RIB that came with a trailer...

thats the good part!

Now the bad.

What I know about RIB's (& trailers) would fit on a postage stamp but I do know engines / mechanics..

The engine side is very good but the RIB has a puncture (haven't found it yet) & 1 of the trailers wheels decided to leave me 80 yards from my home.

I don't know the make / type of trailer so getting a new hub & bearings is going to be fun...

Any ideas about finding a puncture? Do I treat this as a large bicycle tyre?


@ least the engine goes!

Pete
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Old 11 December 2003, 17:23   #2
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Soap

Liquid soap or similiar together with some water, put it on the tubes and were it starts to bubble there you will find the leak.
Good luck.
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Old 11 December 2003, 17:53   #3
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Mix water and fairy liquid in a bowl.
Put it on the tubes and place a piece of clingfilm over the wet area.
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Old 11 December 2003, 18:13   #4
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Quote:
The engine side is very good but the RIB has a puncture (haven't found it yet) & 1 of the trailers wheels decided to leave me 80 yards from my home.
Hmm sounds like a normal day out for a rib owner then,

pete
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Old 11 December 2003, 19:04   #5
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Woa

Are you seriously running a johnson 70 on a 4metre!!!
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Old 11 December 2003, 20:34   #6
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Re: New 'old' RIB

Quote:
Originally posted by Suzuki416
Do I treat this as a large bicycle tyre?


Pete
Yes, you do really.
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Old 12 December 2003, 03:44   #7
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Hold on, hold on.......

what sort of leak are we talking about here ?

Welcome aboard by the way

As you're new to Ribs you should first be aware that all RIBs "give a little" and by that I mean they don't stay hard like a bicycle or car tyre for months on end. RIB tubes do leak.

Of course you shouldn't expect them to go down over night, however, if a week passes and you need to top them up - not pump them right up, this is perfectly normal.

I'm sure you'll figure it out. Anyway, good luck and feel free to seek further help, it's our pleasure

p.s

At some time in the future you'll want to sell her, so do yourself a favor, when yoou find the leak (if one exists) spend that extra few quid and get it professionally repaired. Both you, the boat and it's future owner will benefit from the same.

p.ss

Check the valves first, they may just need the internal gubbins tightening a little. And....get us a picture up on the forum.
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Old 12 December 2003, 05:11   #8
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The fun has just started

Hi and welcome to Ribnet,

You are not the first or will be last person to get caught out by a bearing failure. All part of the learning curve I'm afraid.

I would suggest taking the wheel to a garage or local trailer/caravan centre and get it measured for the bearing size. They should be able to tell you what size bearing is required.

Alternatively take the other bearing from the good one and change both at the same time.

Look carefully at the trailer for a serial number of manufactures' plate, unless a home made trailer.

As for the leak already been suggested repairs.

Good luck and have fun with your new craft.

Regards
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Old 12 December 2003, 05:48   #9
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Re: Hold on, hold on.......

Quote:
Originally posted by MeMe

As you're new to Ribs you should first be aware that all RIBs "give a little" and by that I mean they don't stay hard like a bicycle or car tyre for months on end. RIB tubes do leak.
.....however, if a week passes and you need to top them up - not pump them right up, this is perfectly normal.

Well, maybe on your boat. My Humber is needing air for the first time and it's been here almost a year.

........professionally repaired. Both you, the boat and it's future owner will benefit from the same.

Nonsense. Provided your brain and hands work, it's easy peasy.

-------------------------------------------------------------
Drift the bearings out. They will have numbers on them. Go to a bearing specialist ( Yellow pages or Yell.com) and give them the numbers. I'll be no problem to them. While you're at it, take the oil seal with you. It is probable that they can supply a double lip seal as a replacement. These have one lip facing in, as normal, to keep the grease in, and the other lip faces outward to keep the water out. Indispension sell bearing savers which tap into the outside of the hub. They are spring loaded pistons with a grease nipple in the centre. They keep a positive pressure within the bearing/hub assembly. Do NOT pump them up until full. They need to be able to accept the expansion of the grease when it warms up while travelling. You can then immerse the trailer wheels in the water and the piston will move back in, under spring pressure, as the hub is cooled. Finally, ensure you use water resistant grease in the hubs. You can use the stuff from the trailer suppliers or use Castrol CL, from Halfords. Don't mix them though.
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Old 12 December 2003, 06:38   #10
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Re: Hold on, hold on.......

Quote:
Originally posted by MeMe
As you're new to Ribs you should first be aware that all RIBs "give a little" and by that I mean they don't stay hard like a bicycle or car tyre for months on end. RIB tubes do leak.

Of course you shouldn't expect them to go down over night, however, if a week passes and you need to top them up - not pump them right up, this is perfectly normal.
Interesting comment as none of my Ribs has ever needed the air topping up weekly or even monthly .

Yes I have changed the amount of air in them, both up and down in pressure, but not due to leakage.
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