3. Job Set-up
__________
Subtask 29-12-37-941-059
A. Safety Precautions
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the safety barriers are in position.
(3)
Make sure that the warning notice is in position to tell persons not to pressurize the Blue hydraulic system.
(4)
Make sure that the warning notice is in position to tell persons not to operate the flaps.
Subtask 29-12-37-860-054
B. Aircraft Maintenance Configuration
R (1) Make sure that the Blue hydraulic system is depressurized (Ref. TASK 29-00-00-864-001).
(2)
Make sure that the applicable hydraulic reservoir is depressurized (Ref. TASK 29-14-00-614-001).
(3)
Make sure that the flaps are fully extended (Ref. TASK 27-80-00-866-005).
(4)
Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER is on the flap/slat control lever on the panel 114VU.
(5)
Make sure that the No. 3 spoiler is in the maintenance position (Ref. TASK 27-60-00-866-002).
(6)
Make sure that the COLLAR-SAFETY, SPOILER (98D27604000000) is on the piston rod of the servo-control.
(7)
Make sure that the access platform is in position.
R (8) Make sure that the applicable access panels 575DB(675DB) are removed R (Ref. TASK 57-51-37-000-004).
(9) Make sure that a container below the applicable check valve.
Subtask 29-12-37-865-056
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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
4. Procedure
_________
(Ref. Fig. 402/TASK 29-12-37-991-002)
Subtask 29-12-37-420-055
A. Preparation for Installation
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1)
Remove the blanking caps from the line ends.
(2)
Clean the component interfaces and the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-004).
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(4)
Do an inspection of the component interface and/or the adjacent area.
1EFF : ALL 1 29-12-37Page 420 1 1 Aug 01/02R 1 1 1CES 1
Subtask 29-12-37-420-052
B. Installation of the Check Valve
(1)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the threads of the applicable check valve (2) and the coupling nuts (1), (3) and (5). FOR 2170GM
(2)
Attach the check valve (2) to the coupling nut (1).
(3)
Install the pipe (4) and attach it with the coupling nuts (3) and (5). FOR 2405GM
(4)
Attach the check valve (2) to the coupling nut (1).
(5)
Install the pipe (4) and attach it with the coupling nuts (3) and (5).
(6)
Attach the clamp (11) to the bracket and the pipe with the sleeves (10), the bolts (12), the spring washers (9) and the nuts (8).
(7)
Install the support plug (7) to the two pipes and secure it with a new tie-cable (6).
Subtask 29-12-37-865-057
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV, 10CV, 12CV, 21CE1, 21CE2, 21CE3, 22CE, 2701GJ, 2702GJ.
Subtask 29-12-37-863-051
D. Pressurize the Hydraulic Systems
(1)
Pressurize the Blue hydraulic system (Ref. TASK 29-10-00-863-003). Subtask 29-12-37-710-051
E.
Test
(1)
Do an operational test of the flap WTB (Ref. TASK 27-51-00-710-001).
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