(6)
Connection of the Electrical Harness (Ref. Fig. 402/TASK 49-11-11-991-004)
(a)
Remove and discard the tie-wraps which temorarily attach the electrical connectors (50) P1, (51) P2 and (55) P3 to the APU.
(b)
Remove the blanking caps from the connectors.
(c)
Make sure the connectors are clean and in a correct condition.
(d)
Remove the temporarily installed bolt (61) and nut (62) from the clamp (60) on the FWD RH tie rod.
(e)
Put the clamp (63) in position on the clamp (60), install and tighten the bolt (61) and the nut (62).
(f)
Remove the temporarily installed bolt (56) and the washer (57) from the bracket (59) at the RH side of the APU compartment.
(g)
Make sure that the nut clip on the bracket (59) is in the correct position.
(h)
Put the clamp (58) into position, install the washer (57) and the bolt (56), tighten the bolt (56).
(i)
Install the connector (50) P1 to the correct connetor on the forward firewall.
(j)
Remove the temporarily installed bolts (54) and spacers (52) from the brackets on the APU compartment front firewall.
(k)
Make sure that the nut clips on the brackets (on the front firewall) are in the correct position.
(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
connetors on the forward firewall.
(7)
Connection of the APU Fuel Line to the APU Fuel Control Unit (Ref. Fig. 401/TASK 49-11-11-991-002)
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 PAINTS FOR
_ DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-020) 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 49-52-41-400-001).
(9)
Conection of the Bleed-Air Duct Elbow (Ref. Fig. 401/TASK 49-11-11-991-002)
(a)
Remove the blanking covers from the openings of the bleed-air duct elbow (3), and the bleed air duct of the APU (1).
(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 (3) is 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 (2) over the mounting flanges of the bleed-air duct elbow (3) and APU bleed-air duct (1).
(f)
TORQUE the clamp (2) to between 0.4 and 0.5 m.daN (35.39 and
44.24 lbf.in).
R **ON A/C 062-099, 401-499,
Subtask 49-11-11-420-059-A
E. Connection of the APU
(1)
Connection of the Bonding Straps
(Ref. Fig. 404A/TASK 49-11-11-991-003-A)
(a)
Remove and discard the tape which temporarily attached the bonding straps (43) to the tie-rods.
(b)
Remove the temporarily installed nuts (45), washers (44) and from the FWD LH and FWD RD studs (40).
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