7 -8
(4) Maintenance of the pneumatic trailer brake system
① Draining Air-tank (if necessary)
z In extremely humid conditions, or where the
filter/drier unit has not been serviced correctly,
the air tank should be manually drained on a
daily basis.
z To drain the air-tank, grasp the ring on the drain
valve and move laterally. This will allow any
accumulated water to be exhausted from the air-
tank.
Air tank
Drain valve knob
② Checking Air-tank pressure gauge
z After connecting the air trailer brake line(s), start
the engine.
z Check if the air-tank pressure gauge is
functioning correctly. Apply the brake pedals
several times, ensuring that the pressure, as
indicated by the gauge, drops as the brakes are
applied and rises again when they are released.
z The air-tank pressure gauge is installed on right-
hand trim inside the cabin.
Air tank gauge
Check point
③ Checking Air-compressor belt
z Check if the belt tension is proper, and if
necessary, adjust the belt tension with adjust
bolt.
z Tension : Approx. 10 mm (0.4 in.)
(when pressed by 98N (22 lb))
z Check the damaged part of the belt, and if
necessary, after checking the pulley alignment,
replace it with a new one.
Compressor
belt
Adjust
bolt
To Next Page
Loading...
