Brief Description: Exhaust system and alternate air control
Screwed heater box into place. Shortened starboard rear exhaust support by 1" and reinstalled. Cut and installed cockpit heat supply hose. Installed worm clamps on all four exhaust stacks. Torqued all exhaust stacks to 180 in-lbs. Safety wired all worm clamps. Drilled left gear tower and firewall for alternate air controller. Deburred and installed snap bushing on forward gear tower. Installed control cable with a Bowden clamp on the firewall. Installed plastic anti-chafe tube at #4 cylinder valve cover.
