(3)
 Make sure that the COLLAR-ELEVATOR SERVO CONTROL SAFETY (98D27309009000) is installed on the remainder servocontrol

 (4)
 Make sure that the warning notices are on the pitch control wheels to tell persons not to move the THS.

 (5)
 Make sure that the warning notices are in the flight compartment to tell persons not to operate the flight controls.

 (6)
 Make sure that the warning notices are in position to tell persons not to operate the hydraulic systems.

 (7)
 Make sure that the access platforms are in position at zone 334 and/or zone 344.

 (8)
 Make sure that access panels 334DB and/or 344DB are open (Ref. TASK 55-13-11-000-001).

 (9)
 Make sure that the DEVICE-LOCKING, ELEVATOR (98D27309003000) is installed on the elevator when both servo control units are removed.

 Subtask 27-34-51-865-076
 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/FCDC1/SPLY 20CE1 B10 49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU FLIGHT CONTROLS/FCDC2/SPLY 20CE2 Q20 121VU FLIGHT CONTROLS/SEC3/SPLY 21CE3 Q19 121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18 121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16 121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
 Subtask 27-34-51-140-050
 C. Cleaning
 (1) Clean the component interface and/or the adjacent area.
 Subtask 27-34-51-210-051
 D. Visual Inspection
 (1)
 Do an inspection of the component interface and/or the adjacent area.

 (2)
 Make sure that the hydraulic line end-fittings are serviceable.

 NOTE : Remove the SAFETY COLLAR-SERVOCONTROL, ELEVATOR if installed.
____
 1EFF : ALL 1 27-34-51Page 422 1 1 May 01/05R 1 1 1CES 1

 4. Procedure
_________
 (Ref. Fig. 401/TASK 27-34-51-991-001) R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 27-34-51-420-064
 A. Installation of the Servo Control Unit to the THS attachment. (Ref. Fig. 403/TASK 27-34-51-991-011, 401/TASK 27-34-51-991-001)
 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)
 Apply COMMON GREASE (Material No. 04-004) to the outer surface of the bush (26) and (27) and install them.

 (2)
 Apply SPECIAL MATERIALS (Material No. 05-002) to the head and shank of the bolt (28).

 (3)
 Put the servo control unit (4) in position and support it.

 (4)
 Install the bolt (28) with the washer (29).

 (5)
 Apply COMMON GREASE (Material No. 04-004) to the thread of the bolt (28).

 (6)
 Install the washer (41).

 (7)
 Install and torque the nut (30) to between 4.5 and 5.0 m.daN (33.18 and 36.87 lbf.ft)

 (8)
 Install the locking cup (31) and the cotter pin (38)

 (9)
 Install the plate (37) with the washers (32), (36) the nuts (33) and the bolts (35).

 (10) Apply SPECIAL MATERIALS (Material No. 05-005) to all the remaining
 unprotected steel attachment parts of the elevator servo control.
 NOTE : Do not allow SPECIAL MATERIALS (Material No. 05-005) to get on____
 the servo control spherical bearing . 
R  **ON A/C 051-051, 
R  Subtask 27-34-51-420-064-A 
R  A. Installation of the Servo Control Unit to the THS attachment. 
R  (Ref. Fig. 401/TASK 27-34-51-991-001, 403A/TASK 27-34-51-991-011-A) 
R  WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL_______ 
R  MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. 
R  OBEY THE MANUFACTURERS INSTRUCTIONS. 
R  PUT ON PROTECTIVE CLOTHING. 
R  DO NOT GET THEM IN YOUR MOUTH. 
R  DO NOT SMOKE. 
R  DO NOT BREATHE THE GAS. 
R  THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. 
　
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