Chassis heat problems

[Don Bradner]

Thanks - I hope to get to those valves soon.

Don Bradner
90 PT40 "Blue Thunder"
Eureka, CA

On 3/17/2008 at 10:49 AM sfedeli3 wrote:

>Hi Don,
>
> Yes, the handle would rotate through to the open and closed stops,
>even though the gate was staying closed. It's important to have the
>valves for a couple of "foreseeable" issues- a tire blowout that
>damages the heater lines, which run pretty close to the tires, a
>failure in one of the heater cores and lastly, so that you can drain
>the engine without draining the heating system in the event of working
>on thermostats, water pump, etc... I put a couple of large aluminum
>pans under the coach and just removed the hoses on the valves. This
>allowed me to catch almost all of the coolant (which amounts to around
>10 gallons for this job). I then re-filtered and re-used it. Most of
>the air will work its way out of the system over the course of a few
>weeks. I was able to re-fill the system with all but a few gallons
>initially and kept topping it off until everything that I had captured
>was gone.
>
>Shane Fedeli
>85PT40
>Hershey, PA
>
>--- In WanderlodgeForum@yahoogroups.com, "Don Bradner"
> wrote:
>>
>> Three questions:
>>
>> Why replace the valve at all, rather than a straight-through?
>>
>> Did the handle still come to a stop at each end of travel (mine do)?
>>
>> Where do you drain the coolant in order to get it low enough to
>remove the valves?
>>
>> On 3/16/2008 at 4:41 PM sfedeli3 wrote:
>>
>> >Good luck! I sure hope it fixes your problem. I was so darn confounded
>> >with mine that I eventually gave up and just listened to Kelly
>> >complain about cold feet. Finding the dropped gate was purely
>> >accidental. The R&R on the water pump was just some "preventative"
>> >maintenance that I had elected to do.
>> >
>> >-- In WanderlodgeForum@yahoogroups.com, "Don Bradner"
>> > wrote:
>> >>
>> >> Shane, that's a new one, thanks!
>> >>
>> >> Don Bradner
>> >> 90 PT40 "Blue Thunder"
>> >> Eureka, CA
>> >>
>> >> On 3/16/2008 at 11:13 AM sfedeli3 wrote:
>> >>
>> >> >Hi Don,
>> >> >
>> >> > My guess is that one of your gate valves "dropped". Even
>though the
>> >> > valve handle is turning, the inner gate is not lifting. My
>front heat
>> >> >circuit did not work for 3 years. Tried flushing the entire loop,
>> >> >replacing sporlans, relays, dash switches, circulating pump and
>still
>> >> >no heat. Finally, removed the gate valve when I pulled the water
>pump
>> >> >to replace it and saw that the gate was in the down position. The
>> >> >inner threads had eroded and when you rotated the handle, nothing
>> >> >would happen to the gate. I've replaced 2 of the 4 valves with ball
>> >> >valves.
>> >> >
>> >> >Shane Fedeli
>> >> >85PT40
>> >> >Hershey, PA
>> >> >
>> >
>> >
>> >
>> >------------------------------------
>> >
>> >Yahoo! Groups Links
>> >
>> >
>> >
>>
>
>
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