Brake and Air System Maintenance Instructions (Cont)
NO. 3 AIR MANIFOLD REMOVAL/INSTALLATION (CONT).
Remove eight screws (1) and remove heater compartment cover (2) from heater control
The two air lines and fittings located at top of No. 3 air manifold are oriented
Tag and mark air lines before removal.
Disconnect air lines (4 through 10) from No. 3 air manifold (11)