(2)
Make sure that the ground safety locks are on the landing gear (Ref. TASK 32-00-00-481-001).
(3)
On the panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the DOWN position
-put a warning notice in position to tell persons not to operate the landing gear.
Subtask 32-33-00-865-064
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
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Subtask 32-33-00-860-061
C. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
On the panel 402VU, make sure that the LDG GEAR down and locked indicator lights are on (green).
(3)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
(4)
On the ECAM CP, push (in) the WHEELS pushbutton switch (P/BSW).
(5)
On the ECAM lower DU, make sure that:
-
the door symbols show the closed position (green in-line)
-
the landing gear symbols show the down and locked position (green triangles).
Subtask 32-33-00-010-056
D. Get Access
(1)
Open the NLG doors (Ref. TASK 32-22-00-010-001).
(2)
Make sure that a SAFETY PIN - NLG DOOR (98D32203502000) is installed in each NLG door.
(3)
Open the MLG doors (Ref. TASK 32-12-00-010-001).
(4)
Make sure that a GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuator.
Subtask 32-33-00-860-059
E. Aircraft Maintenance Configuration WARNING : MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE
_______ ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM.
(1)
Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
(2)
Lock these handles in the CLOSE position:
-
the two MLG door ground-control-handles
-
the NLG door ground-opening handle.
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(3) Depressurize the Green hydraulic system (Ref. TASK 29-00-00-864-001).
Subtask 32-33-00-860-058
F. Preparation for Test
WARNING : DO NOT PUT YOUR FINGERS IN THE UPLOCK MECHANISM. THIS IS
_______
DANGEROUS.
(1)
Install the rigging pins that follow, in the NLG free-fall system: (Ref. Fig. 502/TASK 32-33-00-991-011)
-
the PIN 1 RIGGING PIN (98A32301000000) in the NLG uplock
-
the PIN 2 RIGGING PIN (98A32301000000) in the NLG vent valve
-
the PIN 4 RIGGING PIN (98A32301000000) in the NLG door uplock.
(2)
Install the rigging pins that follow, in the MLG free-fall system: (Ref. Fig. 505/TASK 32-33-00-991-013)
-
the PIN 4 and the PIN 8 RIGGING PIN (98DNSA20208060) in the MLG uplocks
-
the PIN 5 RIGGING PIN (98DNSA20208060) in the MLG cut-out valve
-
the PIN 6 and the PIN 9 RIGGING PIN (98DNSA20208060) in the MLG door uplocks
-
the PIN 10 RIGGING PIN (98DNSA20208040) in the MLG vent valve.
(3)
If you cannot install any one of the above rigging pins you must adjust the appropriate free-fall system:
-
for the NLG system (Ref. TASK 32-33-00-820-002)
-
for the MLG system (Ref. TASK 32-33-00-820-004).
(4)
Remove all of the rigging pins that you installed in the NLG and the MLG free-fall systems.
(5)
Put the adjustable access platform in position:
-
for the MLG, below zone 734(744)
-
for the NLG, below zone 713(714).
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(6) Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the aircraft:
-
use an applicable tool to move the MLG and NLG uplock hooks to the closed and locked position
-
use an applicable tool to move the MLG and NLG door uplock hooks to the closed and locked position.
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