__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific blanking caps
 No specific circuit breaker(s) safety clip(s)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
21-61-51-200-003 Air-Inlet Flap Mechanism - In-Service Wear Limits 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 53-35-13-000-002 Removal of the Quick-Release Access Panels from the Belly Fairing Structure 21-61-51-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 21-61-51-861-051 R A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).

 Subtask 21-61-51-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 8HH 
R  **ON A/C 401-499,
R  49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 52HH  D08 
R  122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC  1HH 3HH  X22X21 
R  **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302, 
R R  122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,  4HH  Y19 
R R  122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC **ON A/C 106-149, 303-399,  2HH  Y18 
R  122VU  4HH  Y19 
R  **ON A/C 401-499, 
R R  122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC **ON A/C ALL 49HH 51HH 50HH  X22 X21Y18
 FOR 28HH

 -------------------------------------------------------------------------------
R  PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC  21HH 23HH 24HH 22HH  W22W21Y21Y20 
R  **ON A/C 401-499,
R R  122VU AIR COND/TEMP CTL SYS 2/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 2/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/115VAC  53HH 55HH 56HH 54HH  W22W21 Y21Y20 
**ON A/C ALL
 Subtask 21-61-51-941-052
 C. Safety Precautions
 (1) On the panel 30VU:
 (a) Make sure that the APU BLEED and the ENG BLEED/1(2) pushbutton switches are released.
 (b) Put a warning notice in position to tell persons not to operate these pushbutton switches.
 (2) On the HP ground connector put a warning notice in position to tell persons not to supply the ground air.
 Subtask 21-61-51-010-050-A
 D. Get Access
 (1) Remove the access panel (Ref. TASK 53-35-13-000-002).
 (a) FOR 8HH - 191BB and if necessary, - 191KB.

 (b) FOR 28HH
 -192FB and if necessary,
 -192KB.
 4. Procedure
_________
 (Ref. Fig. 401/TASK 21-61-51-991-001) Subtask 21-61-51-020-050
 A. Removal of the Air-Inlet Flap Actuator
 (1)
 Disconnect the electrical connector (1).

 (2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 Remove the nut (8), the washer (7), the bolt (2) and disconnect the bonding strap (3).

 (4)
 Remove and discard the cotter pin (5).

 (5)
 Hold the air-inlet flap actuator (9) and:

 (a)
 Remove the nut (6), the washer (4) and the bolt (16).

 (b)
 Remove the nut (10), the washer (11), the bolt (14) and the sleeve (13).

 (6)
 Remove the air-inlet flap actuator (9).

 (7)
 Do the inspection for in-service wear limits for the applicable components (Ref. TASK 21-61-51-200-003).

 1EFF : ALL 1 21-61-51Page 404 1 1 Aug 01/05R 1 1 1CES 1
　
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