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4. Maintenance
GUID-BB9AF765-B8EF-4B7D-A1C1-51E93FB56F9C
1. Air pressure system pressure air reservoir
2. Pneumatic brakes pressure air reservoir
3. Automatic water draining valve
1. Push a blunt stick through the draining valve hole.
IMPORTANT: The stick must not be sharp, because it can damage the valve.
If the air that comes out is free of water, the automatic water draining valve is
operating correctly.
2. If there is water with the air, push the stick through the valve hole until there
is no pressure in the reservoir.
3. Open the valve and clean the seal inside it.
4. Mount the valve back.
5. If the valve does not operate properly after cleaning, replace it with a new
valve.
6. Follow the same procedure for the other pressure air reservoir.
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