______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific container 10 l (2.6416 USgal)
 No specific access platform 3.5 m (11 ft. 6 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
 Configuration before Maintenance Action 52-41-00-010-001 Open the APU Doors for Access 49-91-44-991-004 Fig. 401

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-44Page 401 201-210, Config-2 Aug 01/05
 CES  3. Job Set-up

__________ Subtask 49-91-44-860-062
 A. Aircraft Maintenance Configuration
 (1)
 Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 (2)
 On the panel 25VU, make sure that the APU MASTER SW p/bsw 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 49-91-44-865-070
 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 49-91-44-010-059
 C. Get Access
 (1)
 Put the access platform in position below the APU access doors 315AL and 316AR.

 (2)
 Open the APU access doors 315AL, 316AR and (Ref. TASK 52-41-00-010-001).

 (3)
 Set the LIGHT control SW 11LJ to the ON position.

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-44Page 402 201-210, Config-2 Aug 01/05
 CES  4. Procedure

_________
 (Ref. Fig. 401/TASK 49-91-44-991-004) Subtask 49-91-44-020-053
 A. Removal of the Oil Cooler
 (1)
 Remove the clamp (4) and disconnect the air outlet duct (5) from the oil cooler (3).

 (2)
 Put blanking plugs on the disconnected duct (5) and the oil cooler (3).

 (3)
 Put the container below the bypass valve (6).

 (4)
 Loosen the nuts (13) from the pipe clamps (8) and (11).

 (5)
 Turn the clamps (8) and (11) to free the pipes (9) and (10).

 (6)
 Pull the pipes (9) and (10) out of the bypass valve (6) and remove and discard the O-rings (7) and (12).

 (7)
 Loosen the captive bolts (2).

 (8)
 Support the oil cooler (3) and loosen the bolts (1).

 (9)
 Remove the oil cooler (3) from the APU.

 (10) Put the oil cooler (3) over the container and drain.

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-44Page 403 201-210, Config-2 Aug 01/05
 CES

 Oil Cooler
 Figure 401/TASK 49-91-44-991-004

 CES  TASK 49-91-44-400-004

 Installation of the Oil Cooler (8079KM) (131-9(A))
 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. 03-002  GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
　
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