5. Close-up
Subtask 49-96-51-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-21-410-001).
(3)
Remove the access platform(s).
HEATER - OIL APU - REMOVAL/INSTALLATION
_______________________________________
TASK 49-96-51-000-002
Removal of the Oil Heater (8093KM) (131-9(A))
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 blanking caps
No specific blanking plug
No specific circuit breaker(s) safety clip(s)
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 49-90-00-600-007 Check and Replenish Oil Level (131-9(A)) 52-41-00-010-001 Open the APU Doors for Access 49-96-51-991-002 Fig. 401
R EFF : 001-049, 101-105, 107-107, 151-199, 49-96-51Page 401 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-96-51-860-052
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 the warning notice in position on panel 25VU to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-96-51-865-056
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/OIL/HTR/SPLY 1KT K41 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-96-51-010-053
C. Get Access
(1)
Put the access platform below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors (Ref. TASK 52-41-00-010-001)
(3)
Set the LIGHT SW 11LJ to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-96-51Page 402 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________
(Ref. Fig. 401/TASK 49-96-51-991-002) Subtask 49-96-51-020-051
A. Removal of the Oil Heater
(1)
Drain the oil from the APU gearbox (Ref. TASK 49-90-00-600-007).
(2)
Disconnect the electrical connector (4) from the heater (3).
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Remove the bolts (1) and the washers (2).
(5)
Pull the heater (3) out of the gearbox.
(6)
Remove and discard the O-ring (5).
(7)
Put a blanking plug in the gearbox port.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-96-51Page 403 201-210, Config-2 Aug 01/05
CES
Oil Heater
Figure 401/TASK 49-96-51-991-002
CES
TASK 49-96-51-400-002
Installation of the Oil Heater (8093KM) (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 -------------------------------------------------------------------------------
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