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Old 10 January 2015, 16:34   #1
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Pontoons soft in garage, hard in sun, normal?

My pontoons feel soft when in the garage but go quite hard when outside, Im not sure if Im meant to pump them up more. I dont have a presssure gauge sadly, so need to do it by feel.
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Old 10 January 2015, 16:45   #2
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They will harden as they warm and the air expands. I suggest you don't pump them up when soft if they are going hard enough when warm or you'll over pressure.

Once at normal temp they should sound like a tight drum when you slap them.
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Old 10 January 2015, 17:00   #3
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Ok cool, no drum, put some air in :-)

There is a hand pump in the boat.
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Old 10 January 2015, 23:09   #4
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took it for a run today, they did harden up in the sun. but it seemed like in the chop (1ft) the tubes were wobbling like jelly. Also they could be pushed down by hand and felt softish to sit on. They sounded like a drum to hit but didnt feel hard like a drum.

They dont lose any air though.

Perhaps just needs a little top up?
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Old 10 January 2015, 23:53   #5
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You can not guess the pressure, you NEED a pressure gauge.
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Old 11 January 2015, 00:21   #6
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Ill see if the PSI is on the spec plate.
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Old 11 January 2015, 02:02   #7
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ok its not on the spec plate on the boat. anyone know what psi caribe c13 should be?
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Old 11 January 2015, 05:48   #8
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dont know for your 1
but tubes are normaly around 2 to 3 psi
if you had automatic presure relief valves fitted
it will not over inflate hope this helps
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Old 11 January 2015, 13:58   #9
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should there be movement of the tubes in chop?

i was going about 35kph across a foot of chop and the tubes wobbled like jelly.
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Old 11 January 2015, 23:31   #10
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No reply from caribe yet so im hoping someone on here will know the operating psi.
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