4. Procedure
_________
(Ref. Fig. 401/TASK 32-43-35-991-001) Subtask 32-43-35-420-050
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 new seals (4) with HYDRAULIC FLUIDS (Material No. 02-003).
Subtask 32-43-35-420-051
B. Installation of the Alternate-Brake Direct Drive Valve
(1)
Install the back-up rings (5) and the seals (4) on the direct drive valve (3).
(2)
Remove the cover from the alternate-brake manifold.
(3)
Align the dowel with its locating-hole on the manifold and install the direct drive valve (3).
(4)
Apply a thin layer of SPECIAL MATERIALS (Material No. 05-047) to the screws (2).
(5)
Install the screws (2) and TORQUE tighten to between 0.3 and 0.4 m.daN (26.54 and 35.39 lbf.in).
(6) Remove the blanking caps and connect the electrical connector (1). Subtask 32-43-35-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GG, 2GG, 3GG, 4GG, 61GG, 70GG, 71GG, 110GG, 3801GX, 3802GX, 3803GX.
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D. Aircraft Configuration
(1)
Connect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-002).
(2)
Pressurize the applicable hydraulic reservoirs (Ref. TASK 29-14-00-614-002).
Subtask 32-43-35-870-050
E. Bleed the System
(1)
Bleed the alternate brake system (Ref. TASK 32-43-00-870-002).
(2)
Use a clean MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026) to remove unwanted hydraulic fluid.
Subtask 32-43-35-710-050
F. Test
(1)
Do an operational test of the alternate braking system (Ref. TASK 32-43-00-710-001).
(2)
Make sure that there are no hydraulic leaks at the interface of the alternate-brake manifold and the direct drive valve.
5. Close-up
________ Subtask 32-43-35-942-050
A. Removal of Equipment
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the safety barriers.
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
(5)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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LANDING GEAR ALTERNATE BRAKING SYSTEM (103GG) - REMOVAL/INSTALLATION
____________________________________________________________________ TASK 32-43-47-000-001 Removal of the Brake-Pedal Transmitter Unit (103GG)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps No specific circuit breaker(s) safety clip(s) No specific Warning notice No specific access platform 1.8 m (5 ft. 11 in.) 98A27901002000 2 PIN, RIGGING - RUDDER CONTROL
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 32-43-47-991-001 Fig. 401
3. Job Set-up
__________ Subtask 32-43-47-861-051
A. Aircraft Maintenance Configuration
(1)
Energize the Ground Service Network (Ref. TASK 24-42-00-861-001)
(2)
Put a Warning notice in position in the cockpit to tell persons not to operate the brake pedals.
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B. Get Access to the Avionics Compartment
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