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Putting air in the compressed air system
Always use the test nipple on the air drier. Tilt the cab
to access the test nipple.
Mechanically disengaging the hand-operated
parking brake
Remove any plastic cap from the back of the cylinder.
Unscrew the nut which then becomes visible, using the
intended tool from the tool box, until the brake is
released. Either the entire screw will come out or just
the nut will be visible.
If something happens 639
Note!
Some vehicles have parking brake
cylinders for both front and rear
axles.
Note!
Always put air in the tanks for the
hand-operated parking brakes, when
available, and loosen the hand-
operated parking brake to make the
nut easier to screw. This protects the
brake cylinder from unnecessary
wear.
J5012251
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