Icy OKA

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09 Aug 2019 17:40 - 09 Aug 2019 17:44 #1 by Rick Whitworth
Rick Whitworth created the topic: Icy OKA
Camping on the Thredbo River at Thredbo Diggings



woke up to 30+cms fresh powder this morning




have had a few mornings around -8 degrees
first morning...
motor home water pump frozen (so no water hot or cold)
sink drain frozen (sink soon filled with scrounged water, moral ...don't even bother to make a cuppa using water out of hot water bottle! yecht!)
water in air step condenser frozen (so no air step)
wiper washers frozen
had to wait for interminable minutes for the Perk to fire after belching plumes of steam and smoke

simple answers...
keep diesel heater running all night at 5 degrees to stop pump and drain from freezing
in the morning boil kettle, pour a little on ...
the air step condenser
the wiper washer pump
and then the rest over the inlet manifold, intercooler to manifold piping, the injectors, injector pump, filter and all diesel lines.
Perk starts first kick

Simples

Rick Whitworth: OKA XT 149.
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10 Aug 2019 05:00 #2 by Peter and Sandra OKA 374
Peter and Sandra OKA 374 replied the topic: Icy OKA
We've had a similar experience at similar temps, water being the biggest problem and didn't try starting until temps had reached up to around zero at 10am as our 6BT unlike others doesn't like starting at all when cold.
I've hooked up the Webasto Thermotop to the engine cooling system so that in the future it might start easier when cold. Ours being a genset engine doesn't have an intake heater.
Turning the diesel air heater on at around the 2am "pee" time and running it on a low setting makes things much more livable.
Do you sleep with the poptop down?
Peter

OKA 374 LT Van, converted to camper/motorhome,
400ah Lithiums, 680w solar, diesel cooking heating and HWS,
Cummins 6BT, Allison 6 speed auto, Nissan transfer.

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10 Aug 2019 08:06 #3 by Holmz
Holmz replied the topic: Icy OKA
Imagine in the cold of the great white north (Canada).
They do make windscreen washer failed that has antifreeze in it...
Another trick if the snow is forecast is to out a tarp over the windscreen to keep the snow from melt-freezing on it.

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10 Aug 2019 15:37 #4 by Tony Lee
Tony Lee replied the topic: Icy OKA
Almost all of my water system is inside the living area except only a short run to the shower which is well insulated with a heat strip just in case it does freeze.
Also Webasto is piped to the engine as Peter mentioned.

Went to all that trouble expecting to take it to south America so it was all for nothing - although the Perkins appreciates a warm start when it is frosty.

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10 Aug 2019 16:08 #5 by Rick Whitworth
Rick Whitworth replied the topic: Icy OKA

Peter and Sandra OKA 374 wrote: Do you sleep with the poptop down?

always put the poptop down if it is snowing.
Every season I have thought about :) modifying the Shkouda design by adding rope tracks round the top edge of the poptop frame to take short tarps to cover the scissor lifts, sock and gutter all the way round and have clips around the roof above windows to hold them down. Could add extra clips further down to save taking them off and hold them in when the top is down driving around in the snow.
Never get round to it but on balance it does not snow that often.
I am skiing at Perisher, and Thredbo Diggings is a perfect free camp only 5 mins from the ski tube which is included in my season ticket.
I also camp at a "secret" free camp close to Jindabyne below the snowline if it looks like it is going to snow. Saves putting the top down and is only half hour from the ski tube.

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10 Aug 2019 16:26 #6 by Rick Whitworth
Rick Whitworth replied the topic: Icy OKA

Tony Lee wrote: Almost all of my water system is inside the living area except only a short run to the shower which is well insulated with a heat strip just in case it does freeze.
Also Webasto is piped to the engine as Peter mentioned.

Went to all that trouble expecting to take it to south America so it was all for nothing - although the Perkins appreciates a warm start when it is frosty.

All of my plumbing is inside including the sink, shower, hot water service and mains pressure connection. The only exception of course is the short external connections from the two tanks to the pump. You would assume these would freeze, however they never give any trouble if I keep the hot water system and the diesel heater running.

Yes the Perk likes it to be preheated.
...Neighbouring campers let out lusty cheer when it finally caught after much smokey belching on one morning when I did not

Rick Whitworth: OKA XT 149.

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10 Aug 2019 21:03 #7 by Holmz
Holmz replied the topic: Icy OKA

Tony Lee wrote: Almost all of my water system is inside the living area except only a short run to the shower which is well insulated with a heat strip just in case it does freeze.
Also Webasto is piped to the engine as Peter mentioned.

Went to all that trouble expecting to take it to south America so it was all for nothing - although the Perkins appreciates a warm start when it is frosty.


Tony,
Please tell of the modifications for cold weather?....

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17 Aug 2019 11:04 #8 by Tony Lee
Tony Lee replied the topic: Icy OKA
One relatively easy mod to ensure easier starting in really cold conditions would be to fit a heater element in the air intake. The Perkins has a big threaded plug in the intake intended for that purpose so the element must be available.

Are you asking about mods for the engine, or the living quarters

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17 Aug 2019 22:07 #9 by Holmz
Holmz replied the topic: Icy OKA

Tony Lee wrote: One relatively easy mod to ensure easier starting in really cold conditions would be to fit a heater element in the air intake. The Perkins has a big threaded plug in the intake intended for that purpose so the element must be available.

Are you asking about mods for the engine, or the living quarters


I am aware of fuel heaters and also the manifold job.
(But where does one get the manifold heater from?)

So I was think more of the water for the living quarters. And how one keeps it from icing up?

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18 Aug 2019 04:47 #10 by Peter and Sandra OKA 374
Peter and Sandra OKA 374 replied the topic: Icy OKA
Keep as much of the plumbing as possible inside the cabin area and insulate anything underneath will usually be ok for Oz.
Here in Oz it doesn't really get cold enough to freeze tanks especially if the vehicle has been driven and everything has warmed up but sitting at sub zero temps with no heating for several days will lead to things freezing well in sub zero temps.
Here in Oz the sun usually comes out at some stage to warm things up unlike overseas where temps can be sub zero for months and tanks need to be heated or be in the heated cabin and if unused need to be winterised and drained.

OKA 374 LT Van, converted to camper/motorhome,
400ah Lithiums, 680w solar, diesel cooking heating and HWS,
Cummins 6BT, Allison 6 speed auto, Nissan transfer.

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18 Aug 2019 08:48 #11 by Peter_n_Margaret
Peter_n_Margaret replied the topic: Icy OKA
We overnighted on the Great Central Plateau in Tassi and the outside pipes froze.
There was no damage but the only water we had for morning coffee was what we had in the fridge.
It thawed out by mid morning.

Cheers,
Peter

Cheers, Peter.
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18 Aug 2019 09:09 #12 by Peter and Sandra OKA 374
Peter and Sandra OKA 374 replied the topic: Icy OKA
Our coldest last year was at Mt Moffatt in central QLD, -7 C but apparently according to the locals it holds the lowest ever recorded Qld temp of -17C . Yes everything froze three mornings in a row and by the third morning we had it down pat, everything outside froze, even split the brass ball valve on the external tap.
But we filled the jug before going to bed so had water for a cuppa and as soon as the diesel heater got going after about half an hour it thawed everything underneath with the heat from its exhaust.
Starting the 6BT was another mission as mine doesn't like cold starts at all and after a quite a few reluctant starts out west this year I've hooked the Webasto Thermotop into the heater circuit to enable engine preheating on cold mornings as well as giving us cabin heat before we drive away.

OKA 374 LT Van, converted to camper/motorhome,
400ah Lithiums, 680w solar, diesel cooking heating and HWS,
Cummins 6BT, Allison 6 speed auto, Nissan transfer.

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19 Aug 2019 08:27 #13 by Harry
Harry replied the topic: Icy OKA
For you that own 6bt cummins with problems starting in cold climates this is what you need it is an easy fix for those that bought 6bt cummins from Paul will already have this as he bought all his engines from Canada which also have a motor warmer that warms the engine via 240 plug on the drivers side of the 6bt both these items can be bought on eBay cheers

Jenny and I both enjoy the great outdoors. We try to get away 4 to 5 month a year.
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19 Aug 2019 13:01 #14 by Holmz
Holmz replied the topic: Icy OKA

Harry wrote: For you that own 6bt cummins with problems starting in cold climates this is what you need it is an easy fix for those that bought 6bt cummins from Paul will already have this as he bought all his engines from Canada which also have a motor warmer that warms the engine via 240 plug on the drivers side of the 6bt both these items can be bought on eBay cheers


I have only seen those in 115v in North America.
A 220v north american unit would work with 240v just dandy though.

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19 Aug 2019 13:48 #15 by Peter and Sandra OKA 374
Peter and Sandra OKA 374 replied the topic: Icy OKA
Except that as Holmz said they are usually 110v and when you want it there isn't any mains power anyway.
most of the Dodge engines had heaters in the intake but most don't hook them up here in Oz.
The diesel Thermotop heats the coolant and in turn the engine up nicely to normal operating temps and I've aimed its exhaust at the sump so it will warm the oil as well. The best bit is though that the cabin heater is pushing out warm air before you even start the engine to drive off.

OKA 374 LT Van, converted to camper/motorhome,
400ah Lithiums, 680w solar, diesel cooking heating and HWS,
Cummins 6BT, Allison 6 speed auto, Nissan transfer.

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19 Aug 2019 13:50 #16 by Harry
Harry replied the topic: Icy OKA
Hi Holzm
This is the one that you are thinking about which goes into the side of the block on the drivers side ....
The other one which is a square one is run by 12 volt or 24 volt and is situated under the cross over pipe from the turbo to the inlet manifold

Jenny and I both enjoy the great outdoors. We try to get away 4 to 5 month a year.
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