4.7.4.22 Checking and greasing the trailer air-pressure brake system
Check and grease the trailer air-pressure brake system periodically.
1. Grease the rubber surfaces of the trailer quick couplings with Calsium LF
grease.
2. Check the integrity of the system.
The system has to be air tight so that after stopping the engine, the pressure
does not decrease more than 0.15 bar during 10 minutes (2%). When
needed, repair the leaks.
4.7.4.23 Checking the air pressure system's automatic water draining
If the tractor is equipped with an air pressure system (extra equipment), there is a
pressure air reservoir under the cab. If the tractor is equipped with pneumatic
brakes (extra equipment), there are 2 pressure air reservoirs under the cab. The
reservoirs have automatic valves for water draining. The valve functions must be
checked frequently.
GUID-29AAAA8D-E4BE-437E-8EC0-EA6C25A8330C
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.
4. Maintenance
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