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It is supplied by bus 1 bar.
C. Pressure indicator
The pressure indicator receives information from the pressure transmitter and indicates the oil pressure 1 provided by the engine pump to the pilot. It is integrated into the engine monitoring cluster.
It is supplied by bus 1 bar.
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D. Temperature probe
The temperature probe transmits the engine oil temperature to the pilot by means of an oil temperature indicator located on the engine monitoring cluster. It is located on the engine rear table at the filter or filtering cartridge.
E. Pressure transmitter
Located on lower right side of the firewall and connected to the engine through a hose, the pressure transmitter is connected to the indicator located on the engine monitoring cluster.
ACAB
Validity : S / N 1 - 822, 850 - 887, 889 - 947 Page 2
79-30-00 (AM) JUL 99
A - Temperature probe
B - Pressure transmitter
Indicating system - Location of components
Figure 1
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Validity : S / N 1 - 822, 850 - 887, 889 - 947 79-30-00 (AM)Ug 99
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INDICATING SYSTEM
DESCRIPTION AND OPERATION
1. GENERAL
The indicating system shows engine lubricant pressure and temperature and allows the pilot to monitor the oil system.
The system consists of :
- warning light on the advisory panel - refer to 31-50-00,
- temperature indicator integrated into the engine monitoring cluster - refer to 31-10-00,
- pressure indicator integrated into the engine monitoring cluster - refer to 31-10-00,
- temperature probe,
- pressure transmitter,
- pressure switch.
2. LOCATION (Figures 1 and 1A)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
Advisory panel 1 251L / 31-50-00
Engine monitoring cluster 1 251C / 31-10-00
Temperature probe 1 100 121 79-30-00
Pressure transmitter 1 100 121 / 131 79-30-00
Pressure switch 1 100 121 / 131 79-30-00
3. DESCRIPTION
A. Warning light
The warning light is located on the advisory panel. Its lighting-up, when the pressure drops at about 15 ± 3 psi (1.02 ± 0.2 bar), indicates a lack of oil pressure due to a defect in the pump or in its drive mechanism.
It is supplied by bus 1 bar.
B. Temperature indicator
The temperature indicator receives information from the temperature probe and indicates the engine oil I pressure temperature to the pilot. It is integrated into the engine monitoring cluster.
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