CH-640 Fuselage Firewall sub-assembly (39 of 52)




Locate and mark steering rod slots beside channel.  To do this make marks 48 mm and 155 mm up from bottom of firewall, then mark 20 mm from side of center channel and draw line at edge of center channel.  This will give you the top, bottom and sides of the slot.
Locate and mark steering rod slots beside channel. To do this make marks 48 mm and 155 mm up from bottom of firewall, then mark 20 mm from side of center channel and draw line at edge of center channel. This will give you the top, bottom and sides of the slot.