Note
The propeller heating is automatically disconnected when the aircraft is on the ground and the engine is
not running.
3.2.4
Set the Maintenance box AIR/GND switch to AIR.
3.2.5
On the lower MFD make sure that:
−
The CAS PROPELLER DE ICE caution message is OFF
−
The ICE PROTECTION window PROPELLER green caption is ON.
3.2.6
Make sure that the propeller de-icing boots become warm in pairs and that they follow this mode 3
heating sequence:
TIME INTERVALS (SECONDS)
PROPELLER BLADES 1
AND 3 HEATING
90
(ON)
90
(OFF)
PROPELLER BLADES 2
AND 4 HEATING
90
(OFF)
90
(ON)
3.2.7
Set the Maintenance box AIR/GND switch to GND.
3.2.8
Set the ICE PROTECTION - PROPELLER switch to OFF.
3.2.9
Set each decade resistance box to 96.9 Ω (−8 °C) or each OAT simulator to -8 °C.
3.2.10
Disconnect electrical connector S045P from the oil pressure switch on the engine AGB.
3.2.11
Connect a Jumper wire (Pt.No. Local supply) between pins B and C of electrical connector S045P.
3.2.12
Set the ICE PROTECTION - PROPELLER switch to ON.
3.2.13
On the lower MFD make sure that:
−
The CAS PROPELLER DE ICE caution message is OFF
−
The ICE PROTECTION window PROPELLER green caption is ON.
3.2.14
Make sure that the propeller de-icing boots become warm in pairs and that they follow this mode 2
heating sequence:
TIME INTERVALS (SECONDS)
PROPELLER BLADES
1 AND 3 HEATING
45
(ON)
135
(OFF)
PROPELLER BLADES
2 AND 4 HEATING
45
(OFF)
45
(ON)
90
(OFF)
3.2.15
Set the ICE PROTECTION - PROPELLER switch to OFF.
3.2.16
Set each decade resistance box to 102 Ω (5 °C) or each OAT simulator to 5 °C.
3.2.17
Set the ICE PROTECTION - PROPELLER switch to ON.
3.2.18
On the lower MFD make sure that:
−
The CAS PROPELLER DE ICE caution message is OFF
−
The ICE PROTECTION window PROPELLER green caption is ON.
3.2.19
Set the right decade resistance box to 105.9 Ω (15 °C) or the OAT simulator to 15 °C.
3.2.20
On the lower MFD make sure that after approximately one minute:
−
The CAS PROPELLER DE ICE caution message is ON
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 26 MSN 545, 1001-1719,
1721-1999
12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All
12-B-30-60-00-00A-903C-A
UNCLASSIFIED
2021-12-04 Page 6
