Supplement Airplane Maintenance Manual
Cessna 172 with TAE 125-02-99 / -114
AMM-20-02
Chapter:
Issue:
Issue Date:
Page:
Content:
20-AMM-71-02
3
06.11.2013
14
46
Rev. No:
Rev. Date:
1
25.08.2014
Table 71-6a Troubleshooting / Power Delivery
Code
Indication
Code
Task/Check
Check by
Corrective Action
Power Delivery
13
Sudden power
loss
13.1
Verify steady fuel (Rail
Pressure)
Connect FADEC Service Tool
while performing ground run and
reproducing the problem (at max.
power). Compare "P-Rail" to
"P-Rail Tar". If capable, do so by
generating graph. Deviation must
be 50/-70 bar.
Ensure staedy fuel supply
13.2
Check Manifold
pressure
Connect FADEC Servicing Tool
while performing ground run and
reproducing the problem (at max.
power). Compare "MAP" to
"LiMAPTar". If capable, do so by
generating graph. Deviation must
be /- 50 mbar.
Proceed to Code 30, "Lack of
Manifold Pressure"
14
Complete
power loss
14.1
Verify that FADEC is
functional
Power up FADEC (FADEC master
power). Engine instruments must
display information (Coolant
Temp, Oil Temp, etc. with CAN
terminator connected)
Connect CAN terminator plug
14.2
Check power supply to
FADEC
Measure voltage to engine wiring
harness power connection with
FADEC power activated
Repair power supply as
appropriate
Verify that two main connectors
are connected correctly
Connect connectors correctly
14.3 Verify crank signal
Connect FADEC Service Tool
using CAN interface kit. Both
FADEC-halfs should deliver
identical, stable RPM display.
Check crank signal with operator.
Proceed to Code 45, "Faulty
Crank/Cam Signal"
14.4 Verify fuel supply
Connect FADEC Service Tool
while performing ground run and
reproducing the problem (at max.
power). Compare "P-Rail" to
"P-Rail Tar". If capable, do so by
generating graph. Deviation must
be 50/-70 bar.
Ensure fuel supply. Refer to Code
32, "Lack of Fuel Pressure"
Содержание Cessna 172
Страница 8: ......