

| Subject: | Re: Propex 1600 blowing fuses |
| From: | Eric Caron |
| Date: | Thu, 11 Nov 2021 12:38:12 -0500 |
Congratulation Mark, Hopefully the parts and service will improve as these are nice units. But, great when you can fix it yourself! eRic > On Nov 11, 2021, at 12:08 PM, Mark McCulley <markmcculley@GMAIL.COM> wrote: > > I can now bring some closure to this thread. The motor repair was > successful and after a bench test I put everything back together and did a > quick test in the van, the heater is working again! Now I just need some > dry weather so I can get under the van to reseal around the two hoses that > go through the floor. > > I have not yet heard from either the manufacturer or Van Cafe on whether a > replacement motor is available. I am very happy that I was able to repair > the heater and hopefully it will last a few more years. > > -Mark > > On Mon, Nov 1, 2021 at 10:48 AM Mark McCulley <markmcculley@gmail.com> > wrote: > >> Thanks all for the lubrication suggestions. I'm at a bit of an impasse >> now, when I removed the armature the seized bushing came out of its >> retainer. Getting it back in place is going to involve removing part of the >> bushing retainer that wasn't designed to be disassembled. You can see the >> bushing retainer in these photos: >> >> >> https://www.icloud.com/sharedalbum/#B0QJ0DiRHJtI2mL;752DD1FD-0B92-4B8F-9ACE-ED5304E77B01 >> >> https://www.icloud.com/sharedalbum/#B0QJ0DiRHJtI2mL;FD01879A-EFB3-4B61-891B-69B42133D385 >> >> I'm thinking I may be able to drill out the 6 holes with the rivets to >> remove the retainer and then reassemble using small bolts and nuts. Does >> that seem reasonable? >> >> I learned that the newer Propex HS2000 would require me to drill more >> holes in the floor of my van and I'd really like to avoid that if possible. >> I've reached out to a Propex dealer (Van Cafe) to see if they can get a new >> motor from across the pond. My other options are to find a used working >> 1600 heater or a broken one that has a good motor. All of these options >> seem fairly unlikely, repairing the motor may be my only choice. >> >> -Mark >> >> >> On Sun, Oct 31, 2021 at 10:32 AM Dan N <dn92610@gmail.com> wrote: >> >>> I use this to lubricate small bearings and eliminate creaking/squeaking >>> noises. >>> >>> >>> https://www.amazon.com/gp/product/B00BYEE0RU/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1 >>> >>> On Sun, Oct 31, 2021 at 10:24 AM David Beierl <dbeierl@gmail.com> wrote: >>> >>>> I like Zoom turbine oil (Amazon or appliance parts house). >>>> >>>> Yrs, >>>> d >>>> >>>> On Sat, Oct 30, 2021 at 5:19 PM Mark McCulley <markmcculley@gmail.com> >>>> wrote: >>>> >>>>> Progress! The two halves of the motor case were held together by the >>>>> magnets and were easily separated. Pulling the armature out was a bit >>>>> difficult, the bushing was seized to the shaft and came out with the >>>> shaft. >>>>> I carefully removed the bushing from the shaft with pliers and >>>> polished it >>>>> and the shaft with emery paper. It will now spin freely on the shaft. >>>>> >>>>> More photos here: https://www.icloud.com/sharedalbum/#B0QJ0DiRHJtI2mL >>>>> >>>>> Any suggestions on what kind of lube to use? I'm surprised that the >>>>> bushings aren't made of brass. >>>>> >>>>> Once the motor is back together I'll test it on the bench. Then I will >>>> have >>>>> to decide how comfortable I am with reassembling this thing and >>>> hooking it >>>>> up to a propane line. What could go wrong eh? >>>>> >>>>> -Mark >>>>> >>>>> On Sat, Oct 30, 2021 at 1:33 PM Mark McCulley <markmcculley@gmail.com> >>>>> wrote: >>>>> >>>>>> Dennis, how would I get to the bearings? I've disassembled the >>>> heater and >>>>>> removed the fan motor. Do I need to disassemble the motor? >>>>>> >>>>>> Some photos here: >>>> https://www.icloud.com/sharedalbum/#B0QJ0DiRHJtI2mL >>>>>> >>>>>> See the photo showing the end of the shaft, I wonder if that piece >>>>>> surrounding the shaft is scored so that it can be removed with some >>>>> special >>>>>> tool to get to the bearings? >>>>>> >>>>>> -Mark >>>>>> >>>>>> >>>>>> On Sat, Oct 30, 2021 at 9:33 AM Dennis Haynes < >>>> d23haynes57@hotmail.com> >>>>>> wrote: >>>>>> >>>>>>> It has been some time since I had one of these apart for repair. >>>> Gas jet >>>>>>> clogging is another common problem. In general DC fuses are sized >>>> and >>>>>>> coordinated to protect the wiring, not appliances themselves. Maybe >>>>>>> carefully lube the bearings avoiding oil on the brushes-commutator >>>> and >>>>> up >>>>>>> the fuse size and give the fans a push to get them turning. A >>>> synthetic >>>>>>> type light oil once the bearings spin again will work some magic. >>>>>>> Disappointing is that repair services and parts are not readily >>>>> available >>>>>>> considering the cost and how little these units are typically used. >>>>>>> >>>>>>> Dennis >>>>>>> >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of >>>>> Mark >>>>>>> McCulley >>>>>>> Sent: Saturday, October 30, 2021 10:53 AM >>>>>>> To: vanagon@GERRY.VANAGON.COM >>>>>>> Subject: Re: Propex 1600 blowing fuses >>>>>>> >>>>>>> I did some more diagnosis, looks like the fan motor is the problem. >>>>> First >>>>>>> I removed the propane leak detector from the circuit, this did not >>>> make >>>>> any >>>>>>> difference, fuse still blew. It wasn't possible to remove the cover >>>> from >>>>>>> the heater with it still installed so I pulled the heater from the >>>> van. >>>>>>> Removing the heater cover was a minor challenge as parts of it were >>>>>>> sealed to the chassis with silicone RTV. Once removed I was able to >>>>> access >>>>>>> the two squirrel cage fans and could just barely move them. I don't >>>>> know if >>>>>>> the shaft rusted or what happened but it barely moves. I applied >>>> some >>>>>>> penetrating oil at both ends and let it sit for a while but that >>>> made no >>>>>>> difference. I may or may not attempt a fix by removing the motor and >>>>>>> disassembling it. Anyone have a broken model 1600 with a good motor? >>>>> Very >>>>>>> unlikely I know. :) >>>>>>> >>>>>>> Does anyone know if the newer HS2000 model has the same size and >>>> spacing >>>>>>> of the exhaust and combustion air inlet/outlet tubes? It would be >>>> nice >>>>> if >>>>>>> it were a drop in replacement for the Compact 1600. >>>>>>> >>>>>>> I don't know what bothers me more...not having a heater for camping >>>> this >>>>>>> winter or having two open holes through the floor of my van. >>>>>>> >>>>>>> -Mark >>>>>>> >>>>>>> On Fri, Oct 29, 2021 at 7:29 AM Mark McCulley < >>>> markmcculley@gmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> My trusty Propex 1600 heater blew a fuse yesterday when I tried to >>>>>>>> start it for the first time this year. The 5A fuse blows as soon >>>> as >>>>>>>> the unit turns on, both in Heat mode and in Fan Only mode. This >>>> makes >>>>>>>> me suspect the fan motor is the culprit. I have an inquiry in to >>>>>>>> Propex but I'd really like to fix it myself if possible. Anyone >>>> ever >>>>>>>> experienced a similar issue with the 1600? >>>>>>>> >>>>>>>> Regards, >>>>>>>> Mark >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>>
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