DURING CRUISE (CONT)
Engine ice vanes - Check operation as follows:
a. Engine ice vane controls (left and right) - Pull.
b. Torquemeters - Read. Each engine should experience a 50
+ 10 ft-lb torque loss when its vane is extended.
Engine lip ice boots - Check by activating switches one at a
time and monitoring loadmeter for momentary fluctuation.
Trim and rigging - Check as required (Section IV).
Autopilot - Check as required (Section
*10. INS - Check as required (Section K52IV).
*11. Carbon monoxide - Check the cock- pit and cabin for the
presence of carbon monoxide. Maximum carbon monoxide
allowable is 0.005%.