Burnham MPC Installation And Operation Manual page 39

3. Locate chaseway channel(s) shipped in Jacket
Carton marked 'JC-2', see Figures 24c and 24d.
Identify main chaseway channel by it's unequal
ends. Install the end with 8¼" lg. side flange under
horizontal rail and through openings in junction box
until end protrudes past rear horizontal channel.
Secure main chaseway channel to both horizontal
frame rails using #8 x 2½" lg. hex head sheet metal
screws as shown in Figure 24c.
NOTE: Torque screws through rear frame rail until
tight. At this time, only snug screws through
forward rail(s) to allow movement in later assembly
steps when attaching jacket top corner panels.
On 8 thru 18 sections block assemblies, install
chaseway channel extension(s), see Figure 24d.
Figure c: Internal Wiring Harness Components - Install Main Chaseway Channel
Figure d: Internal Wiring Harness Components - Install Chaseway Channel Extension(s)
Position channel extension under next horizontal
rail, secure bracket on extension to previously
installed channel with two (2) #8 x ½" lg. hex head
sheet metal screws. Torque these screws until
tight. Secure front of channel extension to next
horizontal rail with two (2) #8 x 2½" lg. sheet metal
screws. Based on block size, repeat until chaseway
extension has been secured to horizontal rail on
front section.
4. Install protective edging to raw edges of chaseway
channel(s) - Locate 'JH-1' Hardware Bag, packed
in JC-1 Jacket Carton. From raw stock provided
in Hardware Bag, cut two (2) pieces of protective
edging 1-13/16" lg. and two (2) pieces 4-11/16"
long.
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