They are designed to work on 12 inches of mercury. Its better to get a rebuilt
one unless you get all the parts to redo it. I think through the wiperman, a
rebuilt unit is 65 bucks, maybe?
Jim House wrote:
> I have a 46 Chevy 1/2 ton and I am now looking at my wiper - only have one,
> on the drive side. How should this work?
> There are two knobs - the only shiny item on the truck everything is rust or
> painted - no chrome. Well the knob on the left seems only to push in or
> pull out. The knob on the right seem to spin. I have move them around a
> lot with out moving the wiper blade. What do each of these do had how can I
> test this unit out?
> I see the pipe from the wiper connects to a rubber hose. This hose connects
> to a medal pipe and then runs down the left front side until under the dash.
> There the 2nd rubber hose connects to a metal pipe that goes through the
> firewall. This then connects to the 3ed rubber hose that is connected to a
> outlet pipe under the carb. I ran a wire throughout all pipes and hoses and
> it is a clean passage. Also the vacuum seem to suck into the carb. but I do
> not have any idea how strong this sucking should be.
> Should the wiper motor need oil or a lube job? Any help on what I can do
> myself to try to get it working would be appreciated.
> Jim House
> 46 Chevy 3104
> Hollis, NH
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959