3. Job Set-up
__________
Subtask 32-12-00-941-064
A. Safety Precautions
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(Ref. TASK 29-00-00-910-002)
(1)
Put the safety barriers in position.
(2)
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.
(3)
On the panel 110VU, make sure that the GRAVITY GEAR EXTN handle is folded into the center console.
R (4) Make sure the GROUND LOCK SLEEVE (460005833) is installed on the R applicable MLG (Ref. TASK 32-00-00-481-001).
Subtask 32-12-00-860-063
B. Aircraft Maintenance Configuration WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED
_______ BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Depressurize the Green hydraulic system
(Ref. TASK 29-10-00-864-001).
Subtask 32-12-00-869-060
C. Flight Configuration Precautions
(1) Do the precautions for flight configuration (Ref. TASK 32-00-00-860-001) before you open the LGCIU circuit breakers.
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D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37 121VU HYDRAULIC/Y HYD/PUMP ENG2/CTL 3701GD Q36 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 32-12-00-010-058
E. Get Access
R (1) Put the access platform in position below the applicable zone 128.
R (2) Open the access door 824.
R (3) Put the access platform in position below the applicable zone R 733(743).
4. Procedure
_________
Subtask 32-12-00-420-065
A. Installation of the MLG Door Assembly and Attaching Parts (Ref. Fig. 401/TASK 32-12-00-991-011, 402/TASK 32-12-00-991-015)
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
CAUTION : DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF
_______
CARBONFIBER REINFORCED PLASTIC.
(1) Clean the component interfaces and/or the adjacent area.
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(2)
Do an inspection of the component interfaces and/or the adjacent
area.
(3)
Make sure that the parts retained from the removed components are
clean and in the correct condition.
(4)
Remove the blanking plugs from the elbow connectors (19).
(5)
Apply HYDRAULIC FLUIDS (Material No. 02-003), HYDRAULIC FLUIDS (Material No. 02-003A), HYDRAULIC FLUIDS (Material No. 02-003B), HYDRAULIC FLUIDS (Material No. 02-003C) or HYDRAULIC FLUIDS (Material No. 02-003D) to the threads of the elbow connectors (18).
(6)
Put the flexible hoses (13) in position and connect the connectors
(18) to the elbow connectors (19). Tighten the connectors (18) and TORQUE to between 2.9 and 3.2 m.daN (21.38 and 23.59 lbf.ft).
(7)
Apply corrosion protection to the connectors (18) and (19) and the
adjacent areas (Ref. TASK 51-75-13-916-002).
(8)
Mark the connectors (18) and (19) with PAINTS FOR DETAIL (INTERNAL
AND EXTERN AL) (Material No. 07-010).
(9)
Position the clamps (16) on the flexible hoses (13) and install the clamps with the bolts (14), the washers (15) and the nuts (17).
(10)
Apply SEALANTS (Material No. 09-016) to the heads of the bolts (14) and the nuts (17).
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