R D. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 12-12-29-611-001 R 29-00-00-864-001 R R 29-00-00-910-002 R 29-10-00-863-003 R R 29-10-00-864-003 R 29-14-00-614-001 R 29-14-00-614-002 R R 29-12-44-991-001
R 3. Job Set-up
__________
R Subtask 29-12-44-865-052 Fill the Hydraulic Fluid Reservoir with a Hand Pump Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action Safety Procedures of the Hydraulic System Pressurize the Blue Hydraulic System with a Ground Power Supply Depressurize the Blue Hydraulic System Depressurization of the Hydraulic Reservoirs Pressurization of the Hydraulic Reservoirs through the Ground Connector Fig. 301
R A. Open, safety and tag this(these) circuit breaker(s): R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION R -------------------------------------------------------------------------------
R 49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 R 123VU B HYD/ELEC PUMP 2701GJ AB09 R Subtask 29-12-44-010-052 R B. Get Access R (1) Open the access panel 197FB. R Subtask 29-12-44-860-053 R C. Aircraft Maintenance Configuration R WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______ R (1) Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
R (2) Put a WARNING NOTICE in position to tell persons not to pressurize
R the Blue hydraulic system:
R - in the cockpit on the hydraulic section 40VU of the overhead panel
R - on the ground service panel of the Blue hydraulic system.
R (3) Make sure that the Blue hydraulic system is depressurized and put it
R in the maintenance configuration.
R (Ref. TASK 29-00-00-864-001).
R (4) Depressurize the reservoir of the Blue hydraulic system (Ref. TASK
R 29-14-00-614-001).
R (5) Put the ACCESS PLATFORM 3M (10 FT) in position.
R (6) Put the CONTAINER 1 L (1/4 USGAL) below the filter to collect the
R unwanted hydraulic fluid.
R 4. Procedure_________
R (Ref. Fig. 301/TASK 29-12-44-991-001)
R Subtask 29-12-44-020-051
R A. Removal of the Clogging Indicator
R (1) Loosen and remove the clogging indicator (5) from the filter head
R (1).
R (2) Remove and discard the packings (7) from the clogging indicator (5).
R Subtask 29-12-44-560-051
R B. Preparation for Installation
R (1) Lubricate the new packings (7) with the HYDRAULIC FLUIDS (Material
R No. 02-003) and install them on the clogging indicator (5).
R (2) Lubricate the threads of the clogging indicator (5) with the
R HYDRAULIC FLUIDS (Material No. 02-003).
R Subtask 29-12-44-420-051
R C. Installation of the Clogging Indicator
R (1) Clean the component interface and/or the adjacent area.
R (2) Do an inspection of the component interface and/or the adjacent area.
R (3) Install the new clogging indicator (5) in the filter head (1).
R Subtask 29-12-44-865-053
R D. Remove the safety clip(s) and the tag(s) and close this(these) circuit
R breaker(s):
R 2701GJ, 2702GJ.
R Subtask 29-12-44-790-051
R E. Test of the Filter Assembly
R (1) Remove the warning notice(s).
R (2) Pressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-
R 14-00-614-002).
R (3) Pressurize the Blue hydraulic system (Ref. TASK 29-10-00-863-003).
R (4) Make sure that the clogging indicator stays in.
R (5) Make sure that no hydraulic fluid comes out of the filter assembly.
R (6) Make sure that the fluid level in the reservoir of the Blue hydraulic
R system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-
R 001).
R (7) Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
R 5. Close-up________
R Subtask 29-12-44-860-054
R A. Put the aircraft back to the serviceable condition.
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