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3.5
Operation and Example Procedures
3.5.1 Operating Procedures
The procedures show the steps required to make sure the ADTS 505 is serviceable and the settings
required to test an aircraft system or component. For further information refer to the Section 6 -
Reference and Specification.
In the following:
All key presses are highlighted in bold and shown as identified on the front panel.
Key presses inside brackets e.g., [MORE], are soft key presses (i.e., function key selections {F1 to F6}
indicated on the screen).
Help System
The help information includes further details of the function and details associated functions, also
see Section 6 - Reference and Specification.
3.5.2 Power-up
Set the front panel power switch to ON and check the power indicator lights.
The display shows the following sequence:
a.
ADTS 505 power-up screen with the software version and the last calibration date.
b.
Sequence of system and pneumatic tests:
i.
Thermal test.
ii.
Testing for vacuum leaks.
iii.
Testing for pressure leaks.
iv.
Pressurizing pumps.
v.
Finding valve bias.
vi.
Measuring ground pressure.
vii.
Equalising system pressures.
c.
Display shows Leak Measure mode and the number of parameters last selected in
display set-up.
Make sure that the ADTS 505 performs a self-test with no errors reported refer to Testing and Fault
finding Section 5, for details of errors.
The ADTS 505 always powers up in Leak Measure mode with the pressure controllers off. When
changing to Control Mode the pump unit must be producing the correct pressure and vacuum.
The ADTS 505 system is now ready for use. After approximately 15 minutes, the system may be
used with full specification accuracy and stability.
K0260 Issue No. 8
Operation
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