(l)
Put the two clamps (53) in position, install the spacers (52) and bolts (54), tighten the bolts (54).
(m)
Install the connectors (51) P2 and (55) P3 to the correct connectors on the forward firewall.
(7)
Connection of the APU Fuel Line to the APU Fuel Control Unit (Ref. Fig. 401/TASK 49-11-11-991-010)
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(a)
Put the container in position below the fuel and control unit .
(b)
Remove the main fuel inlet pipe from the stowage bracket attached to the front firewall of the APU compartment.
(c)
Remove the plastic blanking plugs from the disconnected line ends.
(d)
Connection of the main fuel inlet pipe CAUTION : YOU MUST USE TWO WRENCHES AND HOLD THE COMPONENT WHEN
_______
YOU REMOVE/INSTALL THE PIPE COUPLINGS AND/OR UNIONS.
THIS PREVENTS DAMAGE TO THE COMPONENT.
1_ Apply LUBRICANTS (Material No. 06-001A) to the connector
internal threads and connect the main fuel inlet pipe (20) to
the vent and drain valve (21).
2_ TORQUE the nut of the main fuel inlet pipe (20) to between
4.85 and 5.31 m.daN (35.76 and 39.15 lbf.ft).
3 Safety the nut with corrosion-resistant steel lockwire 0.8 mm
_
(0.32 in.) dia. 4 Mark the nut of the main fuel inlet pipe (20) with red locking
_ varnish to identify the torqued position.
(8)
Installation of the the oil cooler outlet-duct
(a)
Remove the blanking covers from the oil cooler outlet and oil cooler duct.
(b)
Install the oil cooler outlet-duct (Ref. TASK 49-52-41-400-003).
(9)
Connection of the Bleed-Air Duct Elbow (Ref. TASK 49-11-11-991-010)
(a)
Remove the blanking covers from the openings of the bleed-air duct elbow (7).
(b)
Clean the component interface and/or the adjacent area.
(c)
Do an inspection of the component interface and/or the adjacent area.
(d)
Make sure that mounting flanges of the bleed-air duct elbow (7) are positioned, without forces in the X, Y and Z direction, 0 +2-2 mm (0.0000 +0.0787 -0.0787 in.) to the APU interface.
NOTE : If necessary adjust the position with the rods.
____
(e)
Put the clamp (6) over the mounting flanges of the bleed-air duct elbow (7) and APU bleed-air duct (5).
(f)
TORQUE the clamp (6) to between 0.4 and 0.5 m.daN (35.39 and
44.24 lbf.in). R **ON A/C 107-107, 151-199, 204-210,
Subtask 49-11-11-420-061-A
E. Connection of the APU
(1) Connection of the Bonding Straps
(Ref. Fig. 404A/TASK 49-11-11-991-011-A)
(a) Remove and discard the tape which temporarily attached the bonding straps (43) to the tie-rods (45).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-11-11Page 444 201-210, Config-2 Aug 01/05
CES
(b)
Remove the temporarily installed nuts (45), washers (44) from the FWD LH and FWD RH stud (40) on the mount bracket (46).
(c)
Connect the bonding straps (43) with the stud (40), the nuts (45) and washers (44) to the FWD LH and FWD RH mount brackets (46) (Ref. TASK 20-28-00-912-004).
(2) Connection of the Exhaust Muffler (Ref. Fig. 401/TASK 49-11-11-991-010)
(a)
Make sure that the APU exhaust and the exhaust muffler are free and clear of unwanted materials.
(b)
Push the exhaust muffler forward until the hot nozzle assy (32) flange touches the APU exhaust flange.
(c)
Make sure that the drain outlet on the hot nozzle assy (31) is at the 6 o'clock position.
(d)
Adjust the flange of the hot nozzle assy radially to the APU exhaust flange.
NOTE : Before the clamp is installed, the offset around should
____ not be more than 0 +4 -4 mm (0.0000 +0.1574 -0.1574 in.).
(e) Install the exhaust coupling clamp (30) with the lockbolts in the 3 and 9 o'clock position.
NOTE : Make sure that the exhaust coupling clamp (30) is engaged
____
equally.
(f)
TORQUE the lockbolts of the exhaust coupling clamp (30) equally to between 0.81 and 0.93 m.daN (71.68 and 82.30 lbf.in).
(g)
Install the two halves of the insulation blanket (33) and (34) in position at the exhaust coupling clamp (30), connect the two halves with MISCELLANEOUS (Material No. 19-010).
(h) 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM 機載輔助動力 AIRBORNE AUXILIARY POWER2(51)
