(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU) 32-51-00-720-003 Functional Test of the Nose Wheel Steering with the Handwheel. 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 32-51-22-991-001 Fig. 401
3. Job Set-up
__________
Subtask 32-51-22-860-051
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the FWC cargo door is open (Ref. TASK 52-30-00-860-001).
(3)
Make sure the ACCESS PLATFORM 2M (6 FT) is in position.
(4)
Make sure that the Yellow hydraulic system is depressurized (Ref. TASK 29-10-00-864-002):
(5)
Make sure that the PTU isolation coupling is disconnected (Ref. TASK 29-23-00-860-001).
(6)
Make sure that a WARNING NOTICE is in position to tell persons not to pressurize the Yellow hydraulic system: - on the panel 40VU in the cockpit - on the ground service panel of the Yellow hydraulic system.
(7)
Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
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(8) Make sure that the CONTAINER 5 L(1 1/2 USGAL) is in position below the safety valve.
Subtask 32-51-22-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ABCU &/Y BRK/PRESS IND 61GG C10 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/PARK BRK/CTL/STBY 71GG N37 121VU HYDRAULIC/PARK BRK/CTL/NORM 70GG N36 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37 121VU HYDRAULIC/Y HYD/PUMP ENG2/CTL 3701GD Q36 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
4. Procedure_________
Subtask 32-51-22-560-050
A. Preparation of the Replacement Component
(1)
Clean the component interface and/or the adjacent area.
(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.
(4)
Remove the blanking plugs from the disconnected line ends.
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(a)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(b)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the threads of the check valve (3) and the coupling nuts (1) and (4).
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B. Installation of the Check Valve 2902GM
(Ref. Fig. 401/TASK 32-51-22-991-001)
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002)
(2)
Put the check valve (3) in the correct position.
(3)
Tighten the coupling nuts (1) and (2).
(4)
TORQUE the coupling nuts (2) and (4) to between 2.9 and 3.2 m.daN
(21.38 and 23.59 lbf.ft).
(5) Tighten the two screws (1). Subtask 32-51-22-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GG, 2GG, 3GG, 4GG, 61GG, 70GG, 71GG, 3700GD, 3701GD, 3801GX, 3802GX, 3803GX.
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