T B M
PILOT’S INFORMATION MANUAL 700
SECTION 3
EMERGENCY PROCEDURES
D.G.A.C. Approved
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Page 3.10.6
Rev. 6
3.10 – PRESSURIZATION AND AIR CONDITIONING
DEFOG MALFUNCTION
If moisture starts to quickly cover the inside of the windscreeen with the
distributor already positioned on ”DEFOG” :
1 –”DEFOG / NORMAL” distributor NORMAL. . . . . . . . . . . . . . . . . . .
2 –”CABIN TEMP” selector Set to around. . . . . . . . . . . . . . . . . . . . . .
a 10 o’clock position
3 –”L. WINDSHIELD” switch ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 –”R. WINDSHIELD” switch (if installed) ON. . . . . . . . . . . . . . . . . . . .
If there is no improvement and if the flight safety is engaged :
5 – Altitude below 12000 ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 –”BLEED VALVE” switch OFF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTE :
If in flight, the cabin will quickly be depressurized. Therefore, the cabin
vertical speed indicator and altimeter indications will rapidly meet those
of respectively the aircraft VSI and altimeter.