TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
DURING CLIMB (CONT)
a.
Pilot's windshield anti-ice switch - NORMAL, check by feel for heat.
b.
Pilot's windshield anti-ice switch - HI, check for an increased loadmeter indication, then OFF.
c.
Copilot's windshield anti-ice switch - Check by repeating above steps.
*8. Cabin and cockpit ventilation system - Check the following items for flow of air, binding controls and the
capability of being shut off by its own control.
a.
Eye-ball cold air vents.
b.
Pilot's and copilot's air vents.
c.
Windshield defroster ducts.
d.
Main cabin air ducts.
*9. Air conditioning and heating system - Check as follows:
C49-54
a.
Cabin temperature mode selector switch - MAN COOL or MAN HEAT.
b.
Manual temperature control switch - Hold to INCREASE position for one minute. Observe an increase
in cabin temperature.
c.
Manual temperature control switch - Hold to DECREASE position for one minute. Observe
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