Reference Modification no.
- 3 -
Page
196
Date
1999 01 01
Main
914 F
01479
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
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.
➈ Verification of function of all sensors and pick-ups
➈ check of throttle potentiometer (throttle position)
➈ on-line data recording of the turbo control
➈ 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.
➈ 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
â—† NOTE: We recommend a Laptop- or Notebook-computer since
these units can be utilized also directly on engine or aircraft.
➈ Communication program: software linking TCU with computer
tlr V4.3a for TCU 966.470
tlr V4.6a for TCU 966.741
➈ Decoding unit (Dongle) with data cable to link with computer
â—† 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.
â—† NOTE: All the required items, except the computer are available in
form of a monitoring kit Q or as diskette W.
Communication-
program
tlr V4.6a
00210
Pic. 155
Communication-
program
tlr V4.3a
00210
Q
00427
W
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