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Mositure in air tanks

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Arden Smith:
I read about your air horn problem and about the changing of the dryer canister, I have a 98 Monterey with the 300 cat and have drained moisture out of the air tank quite frequently, Where is the dryer canister located so I can replace it?

Gerald Farris:
The air dryer was located in the engine compartment on the right side on 1998 models I believe. It will probably be mounted to the frame rail.

If the air dryer is operating properly it will be easy to find as the relief valve in the dryer will give off a short burst of air to remove excess water and oil from the dryer every time the engine driven air compressor reaches the set pressure (approximately 120 psi) and unloads the compressor. If you do not hear this air burst every time the compressor unloads, you need to repair (fairly easy repair) the dryer not just change the dessicant filter. There is also a heating element in the base of the air dryer to prevent the valve from freezeing in cold weather. I hope this helps.

Gerald

Richard And Babs Ames:
When you change the dessicant filter (usuallay a screw on) there is a colescing filter that you also replace. It is a small foam filter and accessable when you unscrew the dessicant filter. We have to drop the dryer to get good access. Be sure to clean the outside before removing the filter.

Usually the Air Dryer starts to eject moisture (psst) more often when it is in need of changing. Once every few minites is normal. If you listen to trucks at a truck stop you can tell which dryers need service.

Mike And Mary Engen:
Not sure if the 98 is the same location as our 95, but I was able to access ours by laying a piece of carpet over the batteries to access the top and crawling underneath to do the bottom.  A fairly easy procedure, but MAKE SURE AIR IS DRAINED OUT OF SYSTEM, by dumping and draining air tanks.  I had sent a procedure to Steve Rankin on how to do this and it is located on our website if you look at the maintenance website for a 95 Beaver (should be the same for other years with the same system), Be sure to order the complete kit and not just the main canister.

Mike And Mary Engen:
The area the procedure is posted in is Coach Assist.

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