(2)
Install the twelve washers (1), the screws (2) and tighten.
5. Close-up
________ Subtask 21-26-43-410-076
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 824 (Ref. TASK 52-41-00-410-002).
(3) Remove the access platform(s). Subtask 21-26-43-865-091
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HQ, 2HQ, 3HQ, 5HQ, 6HQ
Subtask 21-26-43-862-089
C. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
R 1EFF : 001-049, 101-149, 151-199, 201-299, 1 21-26-43Page 704 1 1 May 01/05 1 1 1CES 1
HEAT EXCHANGER - SKIN - REMOVAL/INSTALLATION
____________________________________________ TASK 21-26-45-000-001 Removal of the Skin Heat Exchanger CAUTION : USE ONLY THE GROUND SERVICE NETWORK TO SUPPLY ELECTRICITY BECAUSE THE
_______ AVIONICS VENTILATION SYSTEM IS NOT SERVICEABLE. IF YOU ENERGIZE THE AIRCRAFT ELECTRICAL CIRCUITS WITHOUT THE VENTILATION SYSTEM YOU WILL CAUSE DAMAGE TO ELECTRICAL EQUIPMENT.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 1.6 m (5 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
Power 25-31-41-000-001 Removal of the FWD Galley Unit (6475MM) 25-41-41-000-001 Removal of the Lavatory A 25-80-00-000-001 Removal of the Insulation Blankets 21-26-45-991-001 Fig. 401
3. Job Set-up
__________ Subtask 21-26-45-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 21-26-45-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 6HQ D06
Subtask 21-26-45-010-050
C. Get Access
(1)
Put the access platform in position at the access door 824.
(2)
Open the access door 824.
4. Procedure
_________
(Ref. Fig. 401/TASK 21-26-45-991-001) Subtask 21-26-45-020-050
A. Removal of the Skin Heat Exchanger
(1)
Remove the lavatory A (Ref. TASK 25-41-41-000-001).
(2)
Remove the galley unit at location 1 (Ref. TASK 25-31-41-000-001).
(3)
Remove all the insulation blankets between FR12 and FR14 above and below the floor panels (Ref. TASK 25-80-00-000-001).
(4)
Remove the skin heat exchanger:
(a)
Remove the screws (1).
(b)
Remove the washers (2).
(c)
Remove the panels (3) of the skin heat exchanger.
Skin Heat Exchanger
Figure 401/TASK 21-26-45-991-001
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1 1 Feb 01/98
1 1
1CES 1
TASK 21-26-45-400-001 Installation of the Skin Heat Exchanger CAUTION : USE ONLY THE GROUND SERVICE NETWORK TO SUPPLY ELECTRICITY BECAUSE THE
_______ AVIONICS VENTILATION SYSTEM IS NOT SERVICEABLE. IF YOU ENERGIZE THE AIRCRAFT ELECTRICAL CIRCUITS WITHOUT THE VENTILATION SYSTEM YOU WILL CAUSE DAMAGE TO ELECTRICAL EQUIPMENT.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.6 m (5 ft. 3 in.)
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