3. Job Set-up
__________ Subtask 32-11-22-941-051
A. Safety Precautions
(1)
Put the safety barriers in position.
(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
-
make sure that the 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 and Yellow Hydraulic Systems.
(5)
Make sure that you obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002) when you do work on the hydraulic system.
Subtask 32-11-22-860-051
B. Aircraft Maintenance Configuration
(1)
Make sure that the isolation coupling of the PTU is disconnected (Ref. TASK 29-23-00-860-001).
(2)
Make sure that the Yellow and Green Hydraulic Systems are de-pressurized (Ref. TASK 29-10-00-864-002) and (Ref. TASK 29-10-00-864-001).
(3)
Make sure that the access platform is in position below the applicable side-stay, at zone 733 or 743.
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4. Procedure
_________ (Ref. Fig. 401/TASK 32-11-22-991-001) Subtask 32-11-22-420-050 R 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)
Do an inspection of the component interface and/or the adjacent area.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
R (4) Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new packing (19) R and (13) and the new backup packing-retainer (20) and (14).
Subtask 32-11-22-420-051
B. Installation of the Lockstay Actuator Hoses
(1)
Remove the blanking caps from the disconnected line ends. NOTE : Make sure that you install each of the hoses in the correct
____ location. There is only one location for each hose to be installed correctly.
(2)
Use an ASSEMBLY POST (460005171) to install the packing (13) and the backup packing-retainer (14) on the hose (2).
(3)
Use an ASSEMBLY POST (460005171) to install the packing (19) and the backup packing-retainer (20) on the hose (1).
(4)
Install the hoses (1) and (2) on the lockstay actuator.
(5)
Install the washers (15) and (18) and the bolts (16) and (17).
(6)
TORQUE the bolts (16) and (17) to between 0.29 and 0.45 m.daN (25.66 and 39.82 lbf.in).
(7)
Safety the bolts (16) and (17) with MISCELLANEOUS (Material No. 19-010).
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(8) Apply SEALANTS (Material No. 09-018) or SEALANTS (Material No. 09-019) to the mating faces of the nuts (3) and (12).
(9) Install the nuts (3) and (12) and the washers (4) and (11) on the hoses (1) and (2).
(10) Put the hoses (1) and (2) in the bracket assembly.
(11) Install the washers (5) and (10) and the nuts (6) and (9) on the hoses (1) and (2).
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