a. Install the Escape Hatch Seal (See Figure 45). Align the edge of the seal with
the side edge of the roof hatch opening.
b. Install two Roof Channels (P/N 113347-1) on top of the cab roof using
two bolts (1/4 20 x 1.000 LG), two washers (1/4 ID), and two locknuts
(1/4 20) for each channel. These channels serve as a storage platform for
the escape hatch (see Figure 45a).
Figure 45. Install the hatch seal.