-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-23-51-991-001 Fig. 401
3. Job Set-up
__________ Subtask 21-23-51-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that:
(a)
The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(b)
The AFT cargo-compartment door 826 is open (Ref. TASK 52-30-00-860-001).
(c)
The access platform is in position at the AFT cargo-compartment door 826.
(d) The access panel 162DW is removed (Ref. TASK 25-55-12-000-001). Subtask 21-23-51-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL 5HU U21 122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY 6HU U19
1EFF : ALL 1 21-23-51Page 406 1 1 May 01/05R 1 1 1CES 1
4. Procedure_________
(Ref. Fig. 401/TASK 21-23-51-991-001)
Subtask 21-23-51-420-050
A. Installation of the Lavatory and Galley Extract Fan
R R (1) Remove the blanking plugs from the lavatory and galley extract fan (3) and from the duct (11).
R R (2) Put the lavatory and galley extract fan (3) in position on the duct (11) and in the bracket (13).
R R NOTE : Make sure that the flow arrow on the body of the lavatory and____ galley extract fan (3) points in the direction of the air flow.
R (3) Install the clamps (2) and (4).
NOTE : Make sure that when you look in the direction of the air flow____ the electrical connector on the lavatory and galley extract fan is between the 4 o'clock and the 5 o'clock position.
R (4) Make sure that the clamp (4) is in the correct position.
R (5) TORQUE the clamp (4) to between 0.25 and 0.30 m.daN (22.12 and 26.54 lbf.in).
R (6) Make sure that the clamp (2) is in the correct position.
R (7) TORQUE the clamp (2) to between 0.13 and 0.18 m.daN (11.50 and 15.92 lbf.in).
R R (8) Put the outlet duct (12) in position on the lavatory and galley extract fan (3) and install the clamp (1).
R R NOTE : Make sure that the location pin (14) is engaged in the hole in____ the lavatory and galley extract fan outlet-flange.
R (9) Make sure that the clamp (1) is in the correct position.
R (10) TORQUE the clamp (1) to between 0.2 and 0.25 m.daN (17.69 and 22.12 lbf.in).
R (11) Put the bonding strap (8) in position and install the washer (9), the R screw (10), the washer (7) and the nut (6) (Ref. TASK 20-28-00-912-004).
(12)
Remove the blanking caps from the disconnected electrical connectors.
(13)
Make sure that the electrical connectors are clean and in the correct condition.
R (14) Connect the electrical connector (5).
(15) Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 21-23-51-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5HU, 6HU
Subtask 21-23-51-710-050
C. Do the operational test of the pack temperature-control system (Ref. TASK 21-61-00-710-001)
5. Close-up
________
Subtask 21-23-51-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel 162DW (Ref. TASK 25-55-12-400-001).
(3)
Remove the access platform.
(4)
Close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).
