(Ref. Fig. 401/TASK 32-11-21-991-001)
Subtask 32-11-21-941-051
A. Safety Precautions R (1) Make sure that the safety barriers are in position.
(2) Make sure that the ground safety locks are installed on the landing gear (Ref. TASK 32-00-00-481-001).
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(3)
On the panel 400VU:
-
make sure that the landing-gear control-lever 6GA is in the DOWN position
-
make sure that a warning notice is in position to tell persons not to operate the landing gear.
(4)
Make sure that the warning notice is in position to tell persons not to pressurize the Green Hydraulic system.
Subtask 32-11-21-860-051
B. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft is on jacks (Ref. TASK 07-11-00-581-001).
(2)
Make sure that the GROUND LOCK SLEEVE (460005833) or the GROUNDLOCK SLEEVE (460007280) is installed on the applicable MLG lockstay actuating cylinder (Ref. TASK 32-00-00-481-001).
(3)
Make sure that the applicable hydraulic systems are de-pressurized (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the applicable hydraulic system reservoir is depressurized (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the isolation coupling of the PTU is disconnected (Ref. TASK 29-23-00-860-001).
(6)
Make sure that the access platform is in position below the applicable MLG lockstay actuating cylinder, at zone 731 or 741.
Subtask 32-11-21-869-054
C. Flight Configuration Precautions
(1) If you did not open the LGCIU circuit breakers, make sure that the electrical circuits are de-energized (Ref. TASK 24-41-00-862-002).
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Subtask 32-11-21-865-051
D. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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
4. Procedure_________
(Ref. Fig. 401/TASK 32-11-21-991-001)
Subtask 32-11-21-560-050
A. Preparation for Installation
(1) Clean the component interface and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interface and/or the adjacent area.
(4) Lubricate the parts as follows:
R R R R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU_______ DO: - FLUSH IT AWAY WITH CLEAN WATER - GET MEDICAL AID.
WARNING : DO NOT LET OIL STAY ON YOUR SKIN FOR A LONG TIME AS IT CAN_______ CAUSE INJURY.
CAUTION : MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT_______ STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.
NOTE : In the step that follows, make sure that the Materials No.____ 04-004 and No. 04-022 are not mixed together. Do not use them at the same time (Ref. SIL 12-008).
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R R R (a) Lubricate the pins (7) and (13), and the attachment lugs of the sidestay and the lockstay with COMMON GREASE (Material No. 04-004) or COMMON GREASE (Material No. 04-022).
(b) Lubricate the new packings (3) and the new back-up packings (2) with HYDRAULIC FLUIDS (Material No. 02-003).
Subtask 32-11-21-420-050
R B. Installation of the MLG Lockstay Actuating Cylinder
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.
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