Saab 340B, Руководство по эксплуатации

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ICE AND RAIN PROTECTION
Operation
Aircraft Operations Manual
11.2
PAGE 8
Jun 01/19
CONDITIONS NORMAL PROCEDURES
(Cont’d)
1. L/R PROP switches NORMAL/MAX . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Check L/R PROP DE − ICE light to come on.
When propeller de − ice no longer required
2. L/R PROP switches OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Check L/R PROP DE − ICE lights to go out.
The propeller de − ice system shall be selected OFF when
− The temperature (OAT or SAT) is warmer then − 5

C.
The limit for propeller de − ice selection is − 5

C or colder. It is essential to turn pro-
peller de − ice OFF if the temperature becomes warmer then − 5

C. Propeller de −
ice selected in too warm temperature, when in icing conditions, may cause per-
formance degradation up to 30%.
CAUTION
The propeller de − ice system can be selected OFF when
− The temperature (OAT or SAT) is warmer then − 5

C and there is no ice ac-
cretion observed on any part of the aircraft.
2.6 WINDSHIELD
HEATING When windshield heating required
1. W SHIELD L/R FRONT switches ON . . . . . . . . . . . . . . . . .
2. W SHIELD L/R SIDE switches NORM, . . . . . . . . . . . . . . . . . . . .
THEN HIGH
− Set windshield SIDE switches in NORM. NORM must be active for at least
7 minutes before HIGH may be selected.
If HIGH is selected on the ground, NORM power will be supplied while on the
ground.
NOTE
When windshield heating no longer required
1. W SHIELD heat switches OFF . . . . . . . . . . . . . . . . . . . . . . . .