DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
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10.2 ZONE 2
FIGURE 75: ZONE 2
10.2.1 Side Windows
Passenger side windows are installed on each
side on the vehicle (7 on the driver side and 6 on
the curb side). They are made double-glazed,
heat absorbing AS-3 glass. Windows are
mounted in painted aluminum extrusions, which
hold the glass in place from the top rail of the
coach. The extrusion also serves as a hinge to
allow the window to swing open when needed.
The double-glazed windows are made of tinted
tempered safety glass outside and clear
tempered glass inside.
10.2.2 Emergency Exit Windows
Except for the top window edge, the three glass
edges are unprotected. The workers must be
extra careful when manipulating or installing
such windows.
In addition, when it becomes necessary to lay
down the unprotected edges of the glass
window, never use a steel or concrete floor as