(4) Skip this step if the Barfield Pitot/Static Tester DPS450 is in Quad mode. Quad mode
will display four values: Ps, RtPc, Qc, RtQc. Press SETUP, press F1 to select
Display. Press F3 to select Quad. Make sure that Alt is in ft, CAS is in kts and Rt
CAS is in kts/min. If not, press F2 to select Units, press F1 to select ft Kts ft/min and
press F4 to save settings. Press Clear/Quit to return to the Main Menu displayed in
the upper right corner.
(5) Press ALT Ps, ROC RATE Ps, SPEED Qc, and RATE to display the appropriate air
data parameters.
(6) Press CLEAR QUIT for the Main Menu displayed in the upper right corner. Several
attempts of pressing the CLEAR/QUIT button may be needed to return to the Main
Menu.
(7) Press LEAK MEASURE/CONTROL to scroll to the CONTROL MODE displayed in
lower left corner.
(8) Press ROC RATE Ps to select the ROC control aim. Using the keypad, enter 4000
and press ENTER. Press ALT Ps to select the altitude control aim, enter 10000 and
press ENTER.
•
The ROC and ALT control aim values will be updated.
(9) Press SPEED Qc, enter 200 then press ENTER. Wait for at least a 15 second
stabilization period after the ROC and CAS achieves the new air data parameter set
points values before moving to the next step.
(10) Press LEAK MEASURE/CONTROL to change to LEAK MEASURE MODE.
(11) Press F1 to select Rate Timer and then press F3 to select Set Wait. Press 0.3 and
then Enter.
(12) Press F4 to select Set Time, press 0.3 and then ENTER.
•
The Set Wait and Set Time will both be updated to 00m.30s.
(13) Press F1: Start Timer.
•
The display starts the count down Waiting timer followed by the Timing timer.
After the Timing timer has expired, the ROC and Rt CAS will display Timed Leak
Measure with the final values. Record these values.
•
Make sure that the ROC is less than ±25 ft/min and Rt CAS is less than ±0.25 kt/
min.
(14) Press CLEAR QUIT to return to the main menu.
(15) Press LEAK MEASURE/CONTROL to return to CONTROL MODE.
(16) Press GROUND to go to atmospheric pressure. Press F1 to select [Yes] to confirm.
(17) After the Barfield Pitot/Static Tester DPS450 displays the SAFE AT GROUND
prompt, power off the test set and remove the hose caps.
(18) Return to the test section previously run to incorporate the values from Leak Testing
the Barfield Pitot/Static Tester DPS450 and Connecting Hoses section.
EA500 Aircraft Maintenance Manual — 06-117751
Temporary Revision No. 34-21
EFFECTIVITY: NOTED
34-10-00
Page 514
Sep 30/20
© 2020 Eclipse Aerospace, Inc.
