Technify Motors Cessna 172, Руководство по обслуживанию

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Supplement Airplane Maintenance Manual
Cessna 172 with TAE 125-02-99 / -114
AMM-20-02
Rev. No:
Rev. Date:
Chapter:
Issue:
Issue Date:
Page:
Content: 20-AMM-71-02
3
06.11.2013
21
46
1
25.08.2014
Table 71-14a Troubleshooting / Lack of Fuel Pressure
Code Indication Code Task / Check Check by Corrective Action
32
Fuel pressure
<30 bar during
start-up
32.1 Ensure fuel supply
Refuel aircraft, check fuel filters,
bleed system, ensure both fuel
feed and return lines are clear of
obstructions
32.2
Check fuel pumps.
Measure fuel feed
pressure between feed
pump and high
pressure pump. Ensure
fuel delivery from high
pressure pump
Replace fuel pumps as necessary
33
Fuel pressure
=60 bar during
start-up
33.1
Check crank signal
using FADEC Service
Tool
Connect FADEC Service Tool
using CAN interface kit. Energize
FADEC, activate starter. Both
FADEC-halfs should deliver
>140 RPM, and should be
identical.
Proceed to Code 45, " Faulty
Crank Signal"
33.2 Verify rail control signal
Refer to instructions for checking
harness / actuator control signal
34
Fuel pressure
>60 bar, but
<280 bar
34.1 Check fuel supply
Refuel aircraft, check fuel filters,
bleed system, ensure both fuel
feed and return lines are clear of
obstructions
34.2
Check fuel pumps.
Measure fuel feed
pressure between feed
pump and high
pressure pump. Ensure
fuel delivery from high
pressure pump
Replace fuel pumps as necessary
35
Too low Pfuel
in flight
35.1 Check fuel supply
Refuel aircraft, check fuel filters,
bleed system, ensure both fuel
feed and return lines are clear of
obstructions
35.2
Check fuel pumps.
Measure fuel feed
pressure between feed
pump and high
pressure pump. Ensure
fuel delivery from high
pressure pump
Replace fuel pumps as necessary
Lack of Fuel Pressure