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Old 15 July 2016, 16:02   #31
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Hello again.

Well it's the maiden voyage tomorrow on the Firth of Clyde. Was trying to check the pressure on chambers and floor, however the manometer doesn't budge when put into the valve.
I put the foot pump on it and neither floor or chambers will take any more air. Can I assume at this point they are fully inflated?

Thanks.
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Old 15 July 2016, 16:06   #32
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Well... not to be sure. The difference between the chambers and air floor is around a factor of 3.5x so if they feel the same on the pump either tubes are massively over or floor well under.

You need to fiddle with the gauge to get it to work!

I forget exactly from my Honwave of a few years back but I think their gauges could come with different thickness spacers/seals and would not fit/work unless the correct one was used.
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Old 15 July 2016, 16:41   #33
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Well... not to be sure. The difference between the chambers and air floor is around a factor of 3.5x so if they feel the same on the pump either tubes are massively over or floor well under.

You need to fiddle with the gauge to get it to work!

I forget exactly from my Honwave of a few years back but I think their gauges could come with different thickness spacers/seals and would not fit/work unless the correct one was used.
It's the one that came with the outfit. It releases air as it get twisted into valve then stops but the needle doesn't budge. There another inline style gauge but it doesn't fit the valve or any bit of the pump!

I'll try and footer about with it before I head out tomorrow.
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Old 15 July 2016, 16:49   #34
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Does the pump have some sort of setting to change from LP to HP?

Edit: Is it like this one which seems to have two outlets... one LP one HP perhaps??


http://marinedirect.co.uk/honwave-fo...0he-p-425.html
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Old 15 July 2016, 17:00   #35
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Quote:
Originally Posted by Fenlander View Post
Does the pump have some sort of setting to change from LP to HP?

Edit: Is it like this one which seems to have two outlets... one LP one HP perhaps??


Honwave Foot Pump 16700-ZV5-T10HE - Honwave 16700-ZV5-T10HE by:
It looks the exact same as that. Not sure about the hp and lp. With the hose unconnected to boat the air came out one of the forward valves. When I connected to boat it the bellow couldn't be compressed and air came out the central valve. I'll go have a look at pump again. Thanks.
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Old 15 July 2016, 17:00   #36
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Re the gauge spacers have a look at this listing and the comment... "The adaptor on this gauge is supplied with a removable spacer (green thing) so it works with valves of different depths and it has a small screw in the centre of it to depress the plunger in the valve so you can get a reading"

Inflatable Boat Pressure Gauge Halkey Roberts Twist Lock Plunger Valve Manometer | eBay
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Old 15 July 2016, 17:12   #37
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Look carefully at the pump. One outlet is high pressure, one is low pressure. The low pressure will not get the floor anywhere near firm enough for a good ride so you need to use the high pressure outlet for it.

I think the one in the middle on its own is the high pressure one but can't recall off the top of my head.

You'll need to get the pressure gauge sorted regardless - have a fiddle & good luck.
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Old 15 July 2016, 17:19   #38
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Yip. Just checked. The two at front are normal use, an outlet and inlet with diaphragm. The central one is high pressure. But no matter what the air will only come out the normal. There's no bungs to stop it.

Think I'm still suffering from sleep deprivation from road trip
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Old 15 July 2016, 18:01   #39
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Think I've worked it out. The normal pressure is for the chambers and starts off the floor. Once max pressure of normal is reached on the floor the hose can be moved to the high pressure and continue to max pressure.
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Old 15 July 2016, 18:11   #40
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Sounds like you've got it. If it's like the Zodiac pump (Bravo made) then the HP section is actually just the LP section but with air bleeding off that allows easier effort pumping but far more strokes required.
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