(3)
 Make sure that the Green, Yellow and Blue hydraulic systems are depressurized (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-002) and (Ref. TASK 29-10-00-864-003).

 (4)
 Make sure that the reservoirs of the Green, Blue and Yellow hydraulic systems are depressurized. (Ref. TASK 29-14-00-614-001).

 (5)
 Make sure that the safety collar from the circuit breakers 10CV and 12CV is removed.

 (6)
 Make sure that the access platform is in position:

 -
for the left wing, below zone 580

 -
for the right wing, below zone 680.

R (7) Make sure that the access panels are removed (Ref. TASK 57-51-37-000-R 004):
 -
for 33CV, panels 575DB, 575EB

 -
for 34CV, panels 675DB, 675EB.

 (8)
 Make sure that the No. 3 spoiler is in the 'M' (Maintenance) position (Ref. TASK 27-60-00-866-002).

 (9)
 Make sure that the COLLAR-SAFETY, SPOILER is on the piston rod of the servo-control.

 (10) Make sure that the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT are installed at these positions (Ref. TASK 27-50-00-400-003):
 -
for 33CV, on the torque shafts 6226CM and 6230CM

 -
for 34CV, on the torque shafts 6276CM and 6280CM.

 Subtask 27-51-51-865-051
 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 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
 4. Procedure_________
 (Ref. Fig. 401/TASK 27-51-51-991-001)
 CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING
_______
 EDGE:

 -
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.

 -
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.

 -MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
 Subtask 27-51-51-420-056
 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.

 1EFF : ALL 1 27-51-51Page 411 1 1 Nov 01/00R 1 1 1CES 1

 Subtask 27-51-51-560-050
 B. Preparation of the Replacement Component R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
 CAUTION : DO NOT APPLY MORE THAN ONE TYPE OF LUBRICANT.

_______
 GREASE AND ASSEMBLY PASTE DO NOT MIX.

 (1)
 Lubricate the new O-rings (11), (14), (31) and (36) with HYDRAULIC FLUIDS (Material No. 02-003).

 (2)
 Install the adaptors (12), (15), (30) and (35) as follows:

 (a)
 Remove the blanking plugs at the positions (32) and (33). Discard the related O-rings.

 (b)
 Make sure that the blanking plugs (8) and (9) are safetied.

 (3)
 Install the new O-rings as follows:

 -
the O-ring (11) on the adaptor (12)

 -
the O-ring (14) on the adaptor (15)

 -
the O-ring (31) on the adaptor (30)

 -
the O-ring (36) on the adaptor (35).

 (4)
 Install the adaptors (12), (15), (30) and (35) at their related position on the wing-tip brake (1).

 (5)
 Install the T-piece (3) on the wing-tip brake (1).

 (6)
 Use CLEANING AGENTS (Material No. 11-026) and a MISCELLANEOUS (Material No. 19-003) to clean the spline surfaces at each end of the wing-tip brake (1).

 (7)
 Do one of the steps that follow: CAUTION : DO NOT APPLY MORE THAN ONE TYPE OF LUBRICANT.
　
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