(4) Tighten and safety all the nuts.
 (a)
 Safety the castle nuts (24) and (12) with new cotter pin (25) and cotter pin (11).

 (b)
 Connect the drain hoses (16) to the drain lines.

 (c)
 Connect the bonding strap (17) with the screw (19) and the washer

 (18) (Ref. TASK 20-28-00-912-002).

 (d)
 Apply SPECIAL MATERIALS (Material No. 05-027) around all the screwheads.

 5. Close-up
________
 Subtask 49-16-45-410-055
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Set the LIGHT SW 11LJ to the OFF position.

 (3)
 Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001).

 (4)
 Remove the access platform(s).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-16-45Page 413 201-210, Config-2 Aug 01/05
 CES  Subtask 49-16-45-865-058

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
 Subtask 49-16-45-860-058
 C. 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, 49-16-45Page 414 201-210, Config-2 Aug 01/05
 CES

 DIFFUSER AND ELBOW - AIR INTAKE - REMOVAL/INSTALLATION
______________________________________________________ TASK 49-16-45-000-002 Removal of the Air Intake Diffuser and Elbow (APS 3200) 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 circuit breaker(s) safety clip(s) No specific access platform 2.5 m (8 ft. 2 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 49-16-45-991-004 Fig. 401
 3. Job Set-up
__________ Subtask 49-16-45-860-055
 A. Aircraft Maintenance Configuration
 (1)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 (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 49-16-45-865-053
 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 49-16-45-010-053
 C. Get Access
 (1)
 Put the access platform in position below the APU compartment.

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

 (3)
 Set the LIGHT control switch 11LJ to the on position.

 4. Procedure
_________ (Ref. Fig. 401/TASK 49-16-45-991-004) Subtask 49-16-45-020-053
 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 the elbow (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 the elbow (26).
　
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