Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual page 777

CESSNA
MODEL 208B G1000
GARMIN G1000
NORMAL PROCEDURES
OPERATION ON GROUND
After preflight inspection and engine start, use the following procedures
for reducing hot cabin temperatures prior to takeoff after AVIONICS No.
1 and No. 2 Switches have been turned OFF.
1. VENT Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUSHED IN
2. VENT AIR Control Knobs . . . . . . . . . . . . . . . . . . . . . . . . CLOSE
3. Overhead Air Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . OPEN
4. FUEL CONDITION Lever . . . . . . . . . . . . . . . . . . . . . ADVANCE
5. AIR CONDITIONING AC FANS Switches . . . . . . . . . . . . HIGH
6. AIR CONDITIONING Switch. . . . . . . . . . . . . . . . . . . . . . . COOL
Under extremely hot OAT and/or high ground elevation
conditions, the idle ITT may exceed the maximum idle
ITT limitation
CONDITION Lever toward HIGH IDLE to increase the
idle N % as required to maintain a satisfactory ITT
g
(700°C or lower).
•
For increased cooling during ground static conditions,
increase N
compressor RPM.
•
Ground operation of the air conditioner with the propeller
in beta range for prolonged periods will cause the air
conditioning compressor pressure safety switch to
disengage the compressor clutch, and therefore should
be avoided.
•
If the temperature of the air coming from the outlets does
not start to cool within a minute or two, the system may
be malfunctioning and should be turned off.
7. AIR CONDITIONING AC FANS Switches . . . . . . . . . . . . . LOW
FAA APPROVED
208BPHCUS-S7-00
(Continued)
CAUTION
of 700°C.
NOTE
to 60-65% for a higher air conditioning
g
(as desired after initial cool down)
SECTION 9 - SUPPLEMENTS
SUPPLEMENT 7
(overhead console)
(N 55% minimum)
g
Advance the
U.S.
FUEL
S7-9