TASK 29-12-37-000-002
Removal of the Check Valve 2170GM(2405GM)
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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START A TASK ON OR NEAR:
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THE FLIGHT CONTROLS
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THE FLIGHT CONTROL SURFACES
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THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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GEAR.
1. Reason for the Job
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Self Explanatory
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific access platform 3.5 m (11 ft. 6 in.)
No specific container 5 l (1.3208 USgal)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-50-00-866-008 Extension of the Flaps on the Ground 27-60-00-866-002 Extension-Retraction of the Spoilers for Maintenance 29-10-00-864-003 Depressurize the Blue Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-12-37-991-002 Fig. 402 29-12-37-991-003 Fig. 403
R FOR FIN 2170GM R 57-51-37-000-004 Removal of the Access Panels R 575AB/575BB/575CB/575DB/575EB/575FB/575GB/575HB R (675AB/675BB/675CB/675DB/675EB/675FB/675GB/675HB)
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R FOR FIN 2405GM 57-51-37-000-004 Removal of the Access Panels 575AB/575BB/575CB/575DB/575EB/575FB/575GB/575HB (675AB/675BB/675CB/675DB/675EB/675FB/675GB/675HB)
3. Job Set-up__________
(Ref. Fig. 402/TASK 29-12-37-991-002, 403/TASK 29-12-37-991-003)
Subtask 29-12-37-860-051
A. Aircraft Maintenance Configuration
(1) Extend the flaps fully (Ref. TASK 27-50-00-866-008).
(2) Make sure the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) is on the flap/slat control lever on panel 114VU.
(3) Remove the safety collar from the circuit breakers 10CV and 12CV.
(4) Extend the No.3 spoiler for maintenance (Ref. TASK 27-60-00-866-002).
(5) Put the COLLAR-SAFETY, SPOILER (98D27604000000) on the piston rod of the servo-control.
Subtask 29-12-37-865-051
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU FLIGHT CONTROLS/WTB/FLP/SYS2 12CV P20 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21 121VU FLIGHT CONTROLS/SEC3/SPLY 21CE3 Q19 121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18 122VU FLIGHT CONTROLS/WTB/FLP/SYS1 10CV S07 123VU B HYD/ELEC PUMP 2701GJ AB09
Flap WTB Check Valve 2170GM
Figure 402/TASK 29-12-37-991-002
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Flap WTB Check Valve 2405GM
Figure 403/TASK 29-12-37-991-003
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Subtask 29-12-37-864-051
C. Depressurize the Applicable Hydraulic System
(1)
Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
(2)
Depressurize the Blue hydraulic-system reservoir (Ref. TASK 29-14-00-614-001).
Subtask 29-12-37-010-051
D. Get Access
(1)
Put an access platform below the applicable access panel.
(2)
Remove the applicable access panel:
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FOR 2170GM
remove 575DB (Ref. TASK 57-51-37-000-004)
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FOR 2405GM remove 675DB (Ref. TASK 57-51-37-000-004).
(3)
Put a container below the applicable check valve.
4. Procedure
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