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
> >> >
> >>
> >
>