REMOVE PARKING BRAKE CONTROL
Release all air pressure in the air tanks.
Do not disconnect any air lines from
the parking brake control valve until
the air pressure is zero.
Remove the cotter pin and pin (2) from linkage (4).
Move the linkage free of the handle. Remove bolts
(3) and cover (1).
Remove bolts from plate (6). Remove spring (5).
Put identification on air lines (7) and disconnect
from valve. Disconnect two wires (8) from switch.
Remove boot (10) and nut (9) from valve.
Remove parking brake control valve (11).