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XT 582 Maintenance Manual
Issue 1.0
September 21st 2005
Page 91
77. ENGINE INDICATING
77.00.00 General
The engines operation is monitored by the SkyDAT electronic display system, mounted on the
instrument panel. The engine operations monitored are:
RPM (engine revolutions per minute)
VSI (vertical speed indicator) in m/s or ft/min
Flight duration, in hours; minutes;
seconds
Air Temperature
Battery Voltage
Water Temperature in Celsius or Fahrenheit
Engine Hours, in hours, minutes
2X EGT (exhaust gas temperature) Celsius or
Fahrenheit
Table 16 SkyDAT Monitored Operations
The normal and maximum operating range for the water temperature and exhaust temperature are
indicated on the instrumentation and the alarm (Flashing Red Light) will go off if any of the settings are
exceeded.
The tachometer does not have an alarm, however the maximum sustained level is 6500rpm, and 6800
rpm should not be run for more than five minutes. The pitch of the propeller set up should prevent over
speeding of the engine.
The preset engine limits can be checked against the limits outlined in section 2.4.2 by noting the
position of the larger square bars on the LCD display for the particular gauge.
77.10.00 Power
The SkyDAT data box collects all of the engine management data.
Tachometer
The tachometer system is connected to the Rotax sensor; the Rotax manual should be consulted for
maintenance instructions.
77.20.00 Temperature
Cylinder Head Temperature
The cylinder head (water) temperature sensors are supplied with the engine. Information for checking
the sender can be found in the following section.
Exhaust Gas Temperature
The exhaust temperature sensors are located at the exit of the two front cylinders of the engine
Information for checking the sender can be found in the following section.