Subtask 21-28-34-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/AFT CARGO VENT/FAN 30HN S22 R **ON A/C ALL
Subtask 21-28-34-010-051
C. Get Access
(1)
Make sure that the access platform is in position under the lateral avionics compartment door 822.
(2)
Make sure that the access door 822 is open.
4. Procedure
_________
(Ref. Fig. 401/TASK 21-28-34-991-001)
Subtask 21-28-34-420-050
A. Installation of the Ventilation Controller
(1)
Install the ventilation controller (1).
(2)
Install and tighten the nuts (2).
(3)
Remove the blanking caps from the electrical connectors.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Connect the electrical connector(s) (3).
Subtask 21-28-34-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HN, 2HN, 30HN, 31HN.
Subtask 21-28-34-720-050
C. Do a functional test of the AFT cargo compartment ventilation system (Ref. TASK 21-28-00-720-004).
5. Close-up
________ Subtask 21-28-34-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 822.
(3) Remove the access platform(s). Subtask 21-28-34-862-050
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
1EFF : ALL 1 21-28-34Page 406 1 1 Aug 01/05R 1 1 1CES 1
VALVE - ISOLATION, AFT CARGO COMPARTMENT (33HN,34HN) - REMOVAL/INSTALLATION
___________________________________________________________________________ TASK 21-28-52-000-001 Removal of the AFT Cargo-Compartment Ventilation Isolation-Valves (33HN,34HN)
1.
Reason for the Job
__________________
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)
No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
**ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
21-28-52-991-001 Fig. 401 R **ON A/C 151-199, 401-499,
21-28-52-991-001-A Fig. 401A
FOR FIN 34HN
25-55-11-000-003 Removal of the Sidewall Panels in the AFT Cargo
Compartment - FR47/FR59 FOR FIN 33HN 25-55-12-000-001 Removal of the AFT Cargo Compartment Partition FR65 **ON A/C ALL
3. Job Set-up
__________
Subtask 21-28-52-861-051
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 21-28-52-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/AFT CARGO VENT/FAN 30HN S22 R **ON A/C ALL
Subtask 21-28-52-865-058
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION FIN LOCATION
-------------------------------------------------------------------------------
122VU AIR COND/AFT CARGO VENT/CTL AND/MONG 31HN 20 S
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