(6)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
(7)
Make sure that the LIGHT control switch 11LJ is set to the ON position.
Subtask 49-16-42-865-057
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
R EFF : 001-049, 101-105, 107-107, 151-199, 49-16-42Page 407 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________
(Ref. Fig. 401/TASK 49-16-42-991-003) Subtask 49-16-42-910-052
A. Preparation for Installation
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)
Remove the remaining sealant with a wood or plastic scraper and clean the structure with CLEANING AGENTS (Material No. 11-004).
(2)
Apply SPECIAL MATERIALS (Material No. 05-002) to all junction components.
Subtask 49-16-42-420-053
B. Installation of the Air Intake Duct
(Ref. Fig. 401/TASK 49-16-42-991-003)
(1)
Put the air intake duct (1) into position and hold it.
(2)
Install the bolts (21) and (22) and the washers (20) and (23).
(3)
Install the top flange (17) and the bottom flange (18) around the air intake duct (1).
(4)
Install the bolts (4) and the washers (3). Do not fully tighten the bolts at this time.
(5)
Install the bolts (9), the washers (8) and the screws (19). Do not fully tighten the bolts at this time.
(6)
Install the bolts (7), the washers (6) and the nuts (5). Tighten all screws and bolts.
(7)
Install the flexible seal (14) on the flange (15) and install the distance washers (16) at the lower holes of the seal.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-16-42Page 408 201-210, Config-2 Aug 01/05
CES
(8)
Install the brackets (12) with the flanged edge to the outer side.
(9)
Install the bolts (13), the washers (11) and the nuts (10). Tighten the bolts equally.
(10)
Install the flange (15) with the screws (2) on the air intake duct (1).
(11)
Apply SEALANTS (Material No. 09-016) to all locations from which the sealant was removed.
(12)
Seal the bonding connections with SEALANTS (Material No. 09-016) and then apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001).
(13)
Install the air intake nose (Ref. TASK 49-16-44-400-003).
(14)
Install the air intake flap (Ref. TASK 49-16-43-400-003).
(15)
Apply SPECIAL MATERIALS (Material No. 05-005) around the screw heads at the inner side of the air intake duct.
Subtask 49-16-42-865-058
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-16-42-710-052
D. Do the operational test (Ref. TASK 49-16-00-710-003).
5. Close-up
________ Subtask 49-16-42-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control switch 11LJ to the OFF position.
(3)
Close the access door 314AR.
(4)
Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-16-42Page 409 201-210, Config-2 Aug 01/05
CES
(5)
Remove the access platform(s). Subtask 49-16-42-860-057
B.
Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-16-42Page 410 201-210, Config-2 Aug 01/05
CES
DUCT - AIR INLET - REMOVAL/INSTALLATION
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