TM 55-1510-219-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
creased loadmeter indication, then
OFF.
c. Copilot's windshield anti-ice switch -
Check by repeating above steps.
*10. 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.
*11. Air conditioning and heating sys-
C50-55
tem - Check as follows:
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
a
decrease
in
cabin
temperature.
d. Cabin temperature mode selector switch
- AUTO.
e. Cabin temperature control rheostat -
Rotate to full 1NCR
2-41
