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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------NOTE : Continue with the RAT running and the anti-stall device test.
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Subtask 29-22-00-720-061
L. Functional Test of the RAT (Anti-Stall Device Test) with the RAT - FLOW CONTROL TEST KIT (AE89415Z) and the GROUND - CHECKOUT UNIT, RAT (AGE11212)
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
Adjust the flow on the RAT - FLOW CONTROL TEST KIT to 0 l.min (0.0000 USgal.mn).
2.
On the hydraulic ground-power cart:
-decrease the pressure to 180 bar (2610.6786 psi).
3.
Adjust the flow on the RAT - FLOW CONTROL TEST KIT to 60 l.min (15.8501 USgal.mn).
4.
Adjust the flow on the RAT - FLOW CONTROL TEST KIT to 0 l.min (0.0000 USgal.mn).
On the GCU:
-the SPEED (RPM) indicator displays 3900 - 250 + 400 RPM.
-a pressure of 1885 +/- 290 psi is displayed.
On the GCU:
-the SPEED (RPM) indicator displays 4600 RPM or more.
-a pressure of 2320 psi or more is displayed.
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M. Functional Test of the RAT (Anti-Stall Device Test) with the FLOW CONTROL TEST KIT - RAT (HFK02)
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
Adjust the flow on the FLOW CONTROL TEST KIT - RAT to 0 l.min (0.0000 USgal.mn).
2.
On the hydraulic ground-power cart:
-decrease the pressure to 180 bar (2610.6786 psi).
3.
Adjust the flow on the FLOW CONTROL TEST KIT - RAT to 60 l.min (15.8501 USgal.mn).
4.
Adjust the flow on the FLOW CONTROL TEST KIT - RAT to 0 l.min (0.0000 USgal.mn).
Subtask 29-22-00-860-121On the FLOW CONTROL TEST KIT - RAT:
-the SPEED (RPM) indicator displays 3900 - 250 + 400 RPM.
-a pressure of 1885 +/- 290 psi is displayed.
On the FLOW CONTROL TEST KIT - RAT:
-the SPEED (RPM) indicator displays 4600 RPM or more.
-a pressure of 2320 psi or more is displayed.
N. Depressurize the hydraulic supply to the CHECK - MOTOR GROUND, RAT.
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P. Removal of the Ground Support Equipment (Ref. Fig. 509/TASK 29-22-00-991-023, 510/TASK 29-22-00-991-024, 511/TASK 29-22-00-991-030)
(1)
If the GROUND - CHECKOUT UNIT, RAT is installed:
(a) Disconnect the GROUND - CHECKOUT UNIT, RAT from the RAT control panel.
(2)
If the FLOW CONTROL TEST KIT - RAT (HFK02) is installed:
(a) Disconnect the electrical connector of the FLOW CONTROL TEST KIT
-RAT from the RAT control panel.
(3)
Remove the PROTECTION EQUIPMENT - RAT.
(4)
Remove the CHECK - MOTOR GROUND, RAT as follows:
(a)
Disconnect the hydraulic hoses from the hydraulic ground-power cart.
(b)
Remove the bolts (3), the washers (2) and the CHECK - MOTOR GROUND, RAT (4)
(c)
Install the cover plate (1), the washers (2) and the bolts (3).
(d)
TORQUE the bolts (3) to between 86 and 95 lbf.in (0.97 and 1.07 m.daN)
(5)
Disconnect the hydraulic hoses from the ground connectors of the ground service panel of the Blue hydraulic system and remove the FLOW CONTROL TEST KIT - RAT.
(6)
Install the hydraulic caps to the ground connectors. Subtask 29-22-00-210-082
Q.
Inspection of the RAT after the Functional Test
(1) Examine the RAT and make sure that:
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