Control System Of The Turbo Charger; 1) Checking Of The Turbo Control Unit (Tcu) By Means Of A Communication Program; 1) Scope Of The Communication Program; 2) Required Items - Rotax 914 F Maintenance Manual

13.6) Control system of the turbo charger

Besides the specified maintenance checks, see chapter 12) and description of the
turbo charger and of control system chapter 9.5) further maintenance procedures are
described as follows.
13.6.1) Checking of the turbo control unit (TCU) by means of a communication
00427
Pic. 155
Page Date
196 1999 01 01
program

13.5.1.1) Scope of the communication program

For trouble-free engine operation it is necessary that the pilot can locate the
exact throttle position for the max. continuous performance.
Verification of function of all sensors and pick-ups
check of throttle potentiometer (throttle position)
on-line data recording of the turbo control
quick analysis of errors
With this program a prompt analysis of defects and irregularities can be
conducted.

13.6.1.2) Required items

See Pic. 155.
PC with processor 80 286 or higher level with Random Access Memory
of at least 640 KB RAM
graphic card EGA, CGA or VGA
serial interface COM 1 or COM 2
operating system MS-DOS 5.0 or higher level
diskette drive 3,5 inch
NOTE: We recommend a Laptop- or Notebook-computer since
these units can be utilized also directly on engine or aircraft.
Communication program: software linking TCU with computer
Decoding unit (Dongle) with data cable to link with computer
NOTE: The Dongle is only required for the TCU 966.470. On the
TCU 966.741 the computer has to be connected directly on
RS 232, the 9-pin port of the cable harness.
NOTE: All the required items, except the computer are available in
form of a monitoring kit Q or as diskette W.
Q
Main
914 F
tlr V4.3a for TCU 966.470
tlr V4.6a for TCU 966.741
Communication-
program
tlr V4.3a
00210
Reference
Communication-
program
tlr V4.6a
00210
W
Modification no.
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