TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
c.
Surface and antenna deicer switches
- Release. Check boots visually to
see that they are sucked down flat
after use.
*5.
Propeller deicer- Check as follows:
C53
a.
Make four separate checks. Each
time momentarily move the switch to
PROP position and check propeller
ammeter normal operation (14-18
amperes).
b.
Propeller deicer switch - ON.
c.
Propeller deicer ammeter Monitor for
two minutes. A small momentary
needle fluctuation must occur every
thirty seconds when the propeller
deicer timer is switching.
*6.
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 vents.
c.
Windshield defroster ducts.
d.
Main cabin air ducts.
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