One of the first things I did to my coach when I first bought it was
install Cinnabar's "Upgrade Kit" which included a 5 micron filter, check
valve and relief valve. I've had problems with all three. The
polycarbonate bowl of the filter has cracked and the filter media is
apparently breaking down. Particles of the filter media became lodged
in the check valve preventing it from operating properly.
The "last straw" came last night when I noticed that mud wasps had
discovered the little hole in the end of the relief valve. I picked at
the mud and when it would not come free, I disassembled the valve and
found that the wasps had packed the inside of the valve. There was no
way that this valve would operate in the event the pressure switch
failed. This could easily result in failure of an air bag or the tank
itself!
I replaced the filter with one from Grainger and disassembled and
cleaned the check valve as well as the relief valve. I relocated the
filter away from the air tank as the previous location exposed it to
sunlight, which may have caused some of my problems. Lastly, I fashion
a screen to cover the relief valve from a piece of window screen rolled
up with one end flatened and laced shut with a piece of screen wire. I
secured the screen to the valve with a hose clamp.
This last part I'd recommend to anyone using this style relief valve and
travelling where mud wasps are active.
Patrick
- --
Patrick Flowers
Mailto
atrick
The GMC Motorhome Page
http://www.gmcmotorhome.com
install Cinnabar's "Upgrade Kit" which included a 5 micron filter, check
valve and relief valve. I've had problems with all three. The
polycarbonate bowl of the filter has cracked and the filter media is
apparently breaking down. Particles of the filter media became lodged
in the check valve preventing it from operating properly.
The "last straw" came last night when I noticed that mud wasps had
discovered the little hole in the end of the relief valve. I picked at
the mud and when it would not come free, I disassembled the valve and
found that the wasps had packed the inside of the valve. There was no
way that this valve would operate in the event the pressure switch
failed. This could easily result in failure of an air bag or the tank
itself!
I replaced the filter with one from Grainger and disassembled and
cleaned the check valve as well as the relief valve. I relocated the
filter away from the air tank as the previous location exposed it to
sunlight, which may have caused some of my problems. Lastly, I fashion
a screen to cover the relief valve from a piece of window screen rolled
up with one end flatened and laced shut with a piece of screen wire. I
secured the screen to the valve with a hose clamp.
This last part I'd recommend to anyone using this style relief valve and
travelling where mud wasps are active.
Patrick
- --
Patrick Flowers
Mailto
The GMC Motorhome Page
http://www.gmcmotorhome.com