Re: "When all else fails, get a bigger hammer?"

["David Teitelbaum" <jtrealty@xxxx>]

When the brushes get very worn they don't have the spring pressure as 
when they were longer and there is a lot of dirt they tend to stick. 
By inducing vibrations (smacking it with a hammer) the brushes moved a 
little making contact again with the commutator. This is a very 
temporory fix. Remember that both fans have the same amount of run 
time so they are both due to die soon. The motors can be "fixed". It 
requires removing them, disassembling them, replacing the brushes, 
cleaning up and "trueing" the commutator, cleaning the insides, and 
lubing the bearings. If the bearings are not too loose they don't have 
to be replaced. 
The radiator has to be removed so that you can get the shroud and 
fans out. First unfasten the fan shroud and push it back and up out of 
the way. Remove the radiator and then you have enough room to remove 
the shroud with the fans attached. It is a real juggleing act, 
especially when you try to put it back together. Some strap-ties or 
pieces of wire can help hold things up out of the way. There are also 
a lot of "hidden" nuts so don't force anything unless you are sure you 
got all of the fasteners up across the top.
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, doctordhd@xxxx wrote:
> I'm not a guy who likes to use a hammer to fix things but after the 
advice on 
> the list I tried it. One of my cooling fans wasn't running so I 
jacked up 
> the "D" and slid under it to take a look. I unplugged the fan motor 
wires 
> and connected them to a 12 volt power supply. Then I tapped the 
back of the 
> motor housing ever so gently. The fan turned a couple of degrees. 
I thought 
> it was mearly from the vibration of the tapping but each time I 
tapped it 
> turned more and more until it ran by itself! Now it seems to work 
properly 
> when reconected. I'm not sure how long this "fix" will work but I 
can't seem 
> to figure out how to remove the motor without taking the entire 
front of the 
> car off. Any ideas and comment would be appreciated.
> 
> Dave
> 6530
> 
> 
> [Non-text portions of this message have been removed]