Teledyne Continental Motors, Inc.
TM
Operational Performance Checks
The maximum allowable RPM drop spread between L and R
channels is 75 RPM.
18.
Ignition Switch.....................................................R
RESULT: RPM drop maximum 150 RPM. FADEC CAUTION lamp is ON.
19.
Ignition Switch.....................................................BOTH
RESULT: RPM returns to IDLE. FADEC CAUTION and WARN lamps are OFF.
20.
Ignition Switch.....................................................L
RESULT: RPM drop maximum 150 RPM; FADEC CAUTION lamp is ON.
21.
Ignition Switch.....................................................BOTH
RESULT: FADEC CAUTION and WARN lamps are OFF.
WARNING
If an RPM drop occurs during the FADEC Primary and
Secondary Power Transfer check determine the fault and
repair before flight. *Review the “Primary and Secondary
Power Settings” section in Chapter 7, FADEC Engine
Operation in the Installation and Operation Manual (OI-22).
22.
FADEC Primary Power Switch ...........................Toggle OFF/ON
RESULT: No RPM drop. Verify both the FADEC CAUTION and FADEC WARN
lamps are OFF. If a dedicated backup battery is used as a Secondary Power Source,
the PPWR FAIL lamps will come ON then OFF. The EBAT FAIL lamp may come
ON.
23.
FADEC Secondary Power Switch .......................Toggle OFF/ON
RESULT: No RPM drop. Verify the FADEC CAUTION and WARN lamps are OFF.
If a dedicated backup battery is used as a Secondary Power Source, the EBAT FAIL
lamp will come ON then OFF.
24.
BPMS...................................................................OFF
25.
Throttle.................................................................850 RPM
±
25 RPM
RESULT: Fuel pressure indication of 17.5 psig
±
2 psig at 850 RPM. If the idle fuel
pressure does not fall within this specified range, adjust the fuel pump pressure
according to “Fuel System Adjustment” in Chapter 9.
NOTE: Rated Full power RPM cannot be attained on the ground.
Refer to fuel pressure vs. engine speed chart (Figure 6-4) for RPM
compensation.
26.
BPMS...................................................................AUTO
IOF-240 Series Engine Maintenance Manual
6-9
27.
Throttle.................................................................Full Throttle
31 August 2007
Change 1