(2)
 On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.

 (3)
 Put a warning notice in the cockpit to tell persons not to start the APU.

 (4)
 Make sure that hydraulic systems are depressurized
 (Ref. TASK 29-00-00-864-001).

 Subtask 49-16-45-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41

 Subtask 49-16-45-010-050
 C. Get Access
 (1)
 Put the access platform in position below the APU compartment.

 (2)
 Open the APU access doors 315AL, 316AR.

 (3)
 Make sure that the LIGHT control SW 11LJ is set to the on position.

 4. Procedure
_________
 **ON A/C 051-051,

 (Ref. Fig. 401/TASK 49-16-45-991-001-A) R **ON A/C 001-003, 051-099, 401-499, Post SB 49-1050 For A/C 051-051, (Ref. Fig. 401A/TASK 49-16-45-991-001) R **ON A/C 001-003, 051-099, 401-499,
 Subtask 49-16-45-020-050
 A. Removal of the Air Intake Diffuser and Elbow
 (1)
 Remove the screw (19), the washer (18) and disconnect the bonding strap (17).

 (2)
 Disconnect the drain hoses (16) from the drain lines.

 (3)
 Hold the diffuser (20) and elbow assembly (26).

 (4)
 Remove and discard the cotter pin (25).

 (5)
 Remove the castle nut (24), the washer (23) and the bolt (21). Move the tie-rod (22) out of the diffuser (20) and elbow assembly (26).

 (6)
 Remove and discard the cotter pin (11).

 (7)
 Remove the castle nut (12), the washer (10) and the bolt (15).

 Air Intake Diffuser and Elbow. Figure 401/TASK 49-16-45-991-001-A
 EFF : 051-051, 49-16-45Page 404 Config-1 May 01/05
 CES

 Air Intake Diffuser and Elbow.
 Figure 401A/TASK 49-16-45-991-001

 CES  (8) Push the diffuser (20) and elbow assembly (26) rearwards and remove it from the fitting (9).

 TASK 49-16-45-400-001
 Installation of the Air Intake Diffuser and Elbow (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
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  Torque Wrench : range 0.00 to 1.20 m.daN
 (0.00 to 9.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-002 USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00) Material No. 05-005 USA MIL-C-16173 GRADE II CORROSION PREVENTIVE (Ref. 20-31-00)
 Material No. 05-027  USA MIL-L-81309 RUST INHIBITOR(FOR CORROSION USE 15-004) (Ref. 20-31-00)
 Material No. 06-001  USA MIL-L-23398 SOLID FILM LUBRICANT (NO LONGER PRODUCED) (Ref. 20-31-00)
 Material No. 09-016  USA MIL-PRF-81733D TYPE II CLASS B CORROSION INHIBITING FILLET CONSISTENCY (Ref. 20-31-00)
 Material No. 19-010  USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)

 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
6 lockwasher 49-16-45 05 -150 11 cotter pin 49-16-04 04 -070 25 cotter pin 49-16-04 04 -070
 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
20-28-00-912-002 Electrical Bonding of Components With Conductive Bolts and Screws in the Tanks 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
　
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