(11)
Make sure that the structural protection material is in position in the area of the THS actuator (1).
(12)
Make sure that the covers (resistant against hydraulic fluid) are in position on the electrical equipment, which is installed in the area of the THS actuator (1).
Subtask 27-44-51-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11
49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 R 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 R
121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16
4. Procedure
_________
(Ref. Fig. 401/TASK 27-44-51-991-001, 402/TASK 27-44-51-991-002, 403/TASK 27-44-51-991-003, 404/TASK 27-44-51-991-014, 405/TASK 27-44-51-991-004, 406/TASK 27-44-51-991-005)
Subtask 27-44-51-560-050
A. Preparation of the Replacement Component
(1) Make sure that the PIN - RIGGING (0U190360) and the TOOL - ZERO POSITIONING, THS ACTUATOR (0U190834) are installed on the replacement THS actuator (1).
NOTE : The PIN - RIGGING (0U190360) and the TOOL - ZERO POSITIONING,
____ THS ACTUATOR (0U190834) must stay in position during the installation procedure.
(2)
Remove the red protective plates from the flanges at the position of the pitch trim actuator (52) (Ref. Fig. 403/TASK 27-44-51-991-003)
(3)
Remove the red protective caps from the ports of the hydraulic valve blocks (31),(34) (Ref. Fig. 402/TASK 27-44-51-991-002)
(4)
Make sure that the identification placards are correctly attached to the casing of the THS actuator (1).
(5)
Make sure that the protective padding is put on the valve outlets of
the THS actuator (1) to prevent damage.
Subtask 27-44-51-210-050
B. Cleaning and Visual Inspection of the Work Area and the Attachment Components
(1)
Clean:
-
the attachment forks (3),
-
the attachment arms (4),
-
the bolts,
-
the bushes,
with CLEANING AGENTS (Material No. 11-004) and let them dry.
(2)
Do a visual inspection of the work area.
(a) Make sure that:
-
the attachment forks (3),
-
the attachment arms (4),
-
the flexible hoses (32),(33),(35),(36),
-
the mechanical input mechanism,
-
the electrical connectors 9CE-A, 9CE-B, 9CE-C, 9CE-D, 9CE-E, 9CE-F, 9CE-G and and 9CE-H,
-
the adjacent structure
are clean, not damaged and show no corrosion.
(3)
Do a visual inspection of the attachment components.
(a) Make sure that:
-
the bolts,
-
the nuts,
-
the bushes,
are clean, not damaged and show no corrosion.
(4)
Apply SPECIAL MATERIALS (Material No. 05-005) to the shafts of the bolts.
Subtask 27-44-51-420-051
R C. Installation of the THS Actuator
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.
R R R (1) Put the FRAME - THS ACTUATOR SUPPORT (98D27407533000) or the FRAME -THS ACTUATOR SUPPORT (98D27407533001) as applicable, with the THS actuator (1), in position below the access door 312AR.
(2) Use the HOIST - MINILIFT, THS ACTUATOR (A3-91-267) or the HOIST -MINILIFT (A1-91-265) and put the THS actuator (1) in position. (Ref. Fig. 405/TASK 27-44-51-991-004)
R R (3) Connect the hoist adaptor 98D27407506700 from the HOIST - MINILIFT, THS ACTUATOR (A3-91-267) to the secondary upper attachment (60). Do this with the pip pins.
(4) Disconnect the THS actuator (1) from the FRAME - THS ACTUATOR SUPPORT (98D27407533000) or the FRAME - THS ACTUATOR SUPPORT (98D27407533001) as applicable.
(5) Use the HOIST - MINILIFT, THS ACTUATOR (A3-91-267) or the HOIST -MINILIFT (A1-91-265) and lift the THS actuator (1) through the access door 312AR.
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