bpr Rotax 912 i Series, Maintenance Manual, Page: 402 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d0
535
5.
fm
MAINTENANCE MANUAL
BRP-Powertrain
76-70-00
Page 22
July 01/2012
PRESSURE/TEMPERATURE SENSOR (AAPTS) - INSPECTION
INJECTION VALVE - INSPECTION
Preparation
Carry out a general visual inspection:
- Corrosion or damage to the wiring, connector
contacts or connections
- Check the labelling of the injection valves
Functional test
- Check flow rate
- Leakproofness
- Check the "spray pattern" using the map
Voltage and resistance test
- The internal resistance is about 12
Ω
GOVERNOR (ELECTRIC) - INSPECTION
See manual of aircraft manufacturer.
Pressure/temperature sensor (AAPTS)
Signal PIN Value [in V] Remarks
Supply voltage 3 5 V +/- 0,25 V
Earth offset 1 0 V
Signal temperature 2 45 kΩ - 89 Ω
Pressure 4 0,25 V - 4,75 V
Measurement
Pressure [bar/psi] Voltage [in V]
0,35 bar/5.08 psi 1,41 V +/- 0,065 V
0,95 bar/13.78 psi 3,84 V +/- 0,065 V
Temperature [°C/°F] Resistance [Ω]
-10 9395 Ω +/- 4 %
0 5895 Ω +/- 3,8 %
20 2499 Ω +/- 3,4 %
30 1706 Ω +/- 3,1 %
50 833,8 Ω +/- 2,8 %
80 322,5 Ω +/- 2,3 %
100 186,6 Ω +/- 2,0 %
1 2
1
2
06347
06357
3
3
5 V
4
4
m
WARNUNG
NOTICE
Risk of damage to engine management system
components! There is a risk of a permanent
bypass (fuel pressure surge).