(2)
On the panel 25VU make sure that the APU MASTER SW pushbutton switch is off.
(3)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
(4)
Make sure that the APU air intake is closed.
(5)
Make sure that the APU LP fuel valve is closed.
(6)
Put a warning notice in the cockpit to tell persons not to start the APU.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-11-00Page 802 201-210, Config-2 Aug 01/05
CES Subtask 49-11-00-010-060
B. Get Access
(1)
Make sure that the access platform is in position below the APU compartment.
(2)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
(3)
Make sure that the APU exhaust access fairing 317 is open.
(4)
Make sure that the LIGHT control SW 11LJ is set to the ON position.
Subtask 49-11-00-865-064
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/FIRE AND OVHT/DET/LOOP B 2WG L44 121VU APU/FIRE AND OVHT/DET/LOOP A 1WG L43 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU APU/FIRE/EXTIG/SQUIB/B 2WF L39 121VU APU/FIRE/EXTIG/SQUIB/A 1WF L38 121VU APU/FIRE/LP VALVE/NORM 4WF M42 121VU APU/FIRE/LP VALVE/STBY 3WF M41 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38
4. Procedure_________
(Ref. Fig. 801/TASK 49-11-00-991-007, 802/TASK 49-11-00-991-008)
Subtask 49-11-00-420-058
A. Installation of the APU Substitution Kit
(1) Install the transverse support (Ref. AIPC 49110410010) (3) from the APU substitution kit to the left and right APU mount assemblies with washers (2) and nuts (1).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-11-00Page 803 201-210, Config-2 Aug 01/05
CES
Suspension and Electrical Connections
Figure 801/TASK 49-11-00-991-007
CES
Fuel Feed, Exhaust Muffler, Bleed Air Duct and Oil Cooler Outlet Figure 802/TASK 49-11-00-991-008
R EFF : 001-049, 101-105, 107-107, 151-199, 49-11-00Page 805 201-210, Config-2 Aug 01/05
CES
(2)
Install the cable mount (Ref. AIPC 49110405010) assembly (10) on the transverse support (3) with the bolts (6), the washers (5) and the nuts (4).
(3)
Connect the starter cables (20) to the transverse support (3) with
the nuts (21) and the washers (22).
(4)
Connect the generator cables (7) to the cable mount assembly (10)
with the nuts (9) and the washers (8).
(5)
Install the blanking caps (19) on the connector sockets 7120VC,
7118VC and 7138VC, which are on the forward bulkhead FR80.
(6)
Install the rear suspension assembly (18) with the washer (12) and
the nut (13) to the aft mount assembly (11).
(7)
Install and support the rear suspension assembly (18) with the bolt (14), the washer (16) and the nut (17) to the top bracket (15).
(8)
Before installing the blanking plug to the fuel feed pipe (29), apply LUBRICANTS (Material No. 06-001A) to the internal threads.
(9)
Install the blanking plug (28) to the APU fuel feed pipe (29).
(10)
Attach the APU fuel feed pipe (29) to the bracket on the bulkhead with MISCELLANEOUS (Material No. 19-010).
(11)
Install the blanking plugs on the APU access door 316AR drain interfaces.
(12)
Install the exhaust muffler plug (32) to the APU exhaust outlet (33).
(13)
Install the blanking plug (27) to the exhaust muffler drain (30).
(14)
Install the bleed-air duct plug (35) to the bleed air duct (24) with the tie-rods (23), the bolts (34), the washers (36) and the nuts (37).
(15)
Install the oil-cooler outlet-duct plug (31) on door 315AL with the screws (26) and the washers (25).
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