CES 5. Close-up
________ Subtask 49-16-00-865-064
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1QC, 2QC, 3QC, 1QF, 2QF.
Subtask 49-16-00-410-059
B. Close Access
(1)
Do the EIS stop procedure
(Ref. TASK 31-60-00-860-001).
(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(5)
Remove the access platform(s).
AIR INTAKE SYSTEM ((GTCP 36-300)) - INSPECTION/CHECK
____________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
TASK 49-16-00-210-001
Detailed Inspection of the Air Intake, Diffuser Elbow, Seals and Felt Metal (GTCP 36-300) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______
WHEN YOU DO THE MAINTENANCE TASK(S).
1.
Reason for the Job
__________________
Refer to the MPD TASK: 491600-01
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 2.5 m (8 ft. 2 in.)
B. Referenced Information -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------49-16-00-100-001 Cleaning of the APU Air Intake System (GTCP 36-300) **ON A/C 051-051,
49-16-00-991-002-A Fig. 601
R **ON A/C 001-003, 051-099, 401-499, Post SB 49-1050 For A/C 051-051, 49-16-00-991-002 Fig. 601A R **ON A/C 001-003, 051-099, 401-499,
3. Job Set-up
__________
Subtask 49-16-00-865-053
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38
Subtask 49-16-00-010-050
B. Get Access
(1)
Put the access platform in position below the access doors 315AL and 316AR.
(2)
Open the access doors 315AL, 316AR.
4. Procedure
_________
**ON A/C 051-051,
(Ref. Fig. 601/TASK 49-16-00-991-002-A) R **ON A/C 001-003, 051-099, 401-499, Post SB 49-1050 For A/C 051-051, (Ref. Fig. 601A/TASK 49-16-00-991-002)
Air Intake System Figure 601/TASK 49-16-00-991-002-A
EFF : 051-051, 49-16-00Page 603 Config-1 May 01/05
CES
R Air Intake System Figure 601A/TASK 49-16-00-991-002
R EFF : 001-003, 051-099, 401-499, 49-16-00Page 604 Config-1 Aug 01/05
CES **ON A/C 051-051,
Subtask 49-16-00-020-053-A
A. Visual Inspection.
(1)
Before inspection clean the air intake system (Ref. TASK 49-16-00-100-001).
(2)
Examine the flexible seals (5), (8) and (10) for wear, tears and porosity.
(a)
If any of the damage described in para (2) exists replace the seal(s).
(b)
Measure the height of the seal (5) in the expanded condition, the seal must be a minimum of K+2mm.
NOTE : (K is the dimension between the inlet duct seal support
____ frame and the inlet plenum frame of the APU. K is the expanded seal height, this is the average height of the two sides. (inner and outer flange)
(c) Measure the height of the seal (8) in the expanded condition, the seal must be a minimum of 19 mm (0.7480 in.) from the surface of the nut-plate to the top face of the seal at all points of conntact.
(3)
Air Intake System
(a)
Examine the air intake system external and internal surfaces for delamination, distortion and cracks. Examine the diverter for damage.
(b)
Examine the air intake system for damage caused through ice particles, corrosion, erosion or unwanted objects.
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