Subtask 36-11-48-420-088
A. Preparation for Installation
(1)
Remove the blanking caps from the bleed air ducts and the anti-ice valve.
(2)
Clean the component interfaces as follows:
(a) Clean the component interfaces and the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(4)
Do an inspection of the component interface and/or the adjacent area.
(5)
For the right wing only, do the steps that follow:
(a) Examine the IDG cables and pylon forward fitting for signs of damage. Replace worn components as necessary:
-
for the IDG cables (Ref. TASK 24-92-00-000-002) (Ref. TASK 24-92-00-400-002)
-
for the pylon forward fitting (Ref. TASK 54-51-17-000-001) (Ref. TASK 54-51-17-400-001).
Subtask 36-11-48-420-089
B. Installation of the Bleed Air Ducts between the Pylon and the Anti-ice Valve
(Ref. Fig. 406/TASK 36-11-48-991-015)
(1)
Put the duct assembly (154) in position.
(2)
Install the insulation gasket (157), the washers (156) and the bolts (155).
(3)
Connect the bonding straps (145) and (153) with the bolt (152), the washer (151) and the nut (150) (Ref. TASK 20-28-00-912-004).
(4)
Carefully put the duct assembly (170) through the vapor seal (160) and into position with the duct assembly (154).
(5)
Install the clamp (158) and TORQUE to between 0.39 and 0.51 m.daN
(34.51 and 45.13 lbf.in).
1EFF : ALL 1 36-11-48Page 425 1 1 Aug 01/05R 1 1 1CES 1
Possible Bleed Air Duct Connections
Figure 407/TASK 36-11-48-991-018- 12 (SHEET 1)
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 36-11-48Page 426 1201-210, 1May 01/05 1 1 1CES 1
Possible Bleed Air Duct Connections
Figure 407/TASK 36-11-48-991-018- 22 (SHEET 2)
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 36-11-48Page 427 1201-210, 1May 01/05 1 1 1CES 1
Possible Bleed Air Duct Connections
Figure 407A/TASK 36-11-48-991-018-A12 (SHEET 1)
R 1EFF : 106-149, 211-299, 301-399, 401-499, 1 36-11-48Page 428 1 1 Aug 01/05 1 1 1CES 1
Possible Bleed Air Duct Connections
Figure 407A/TASK 36-11-48-991-018-A22 (SHEET 2)
R 1EFF : 106-149, 211-299, 301-399, 401-499, 1 36-11-48Page 429 1 1 Aug 01/05 1 1 1CES 1
(6)
Make sure that the clamp (158) is installed in the correct position.
(7)
Tighten the vapor seal (160) around the duct assembly (170) and
safety the MISCELLANEOUS (Material No. 19-010).
(8)
Put the half clamps (168) and (169) into position on the duct assembly (170). Put the washers (162) and (163) between the half clamps (168) and (169). Install the bolts (164) and the nuts (161).
NOTE : Adjust the quantity of washers (162) and (163) so that the
____ duct assembly (170) is tightly held by the half clamps (168) and (169).
(9) Put the link assemblies of the clamp half (168) in position and
install:
-
the bolts (166)
-
the washers (167)
-
the nuts (165).
(10)
Install a new seal (147) and a new seal (149) in the flexible connector (148) (Ref. TASK 20-26-00-910-002).
(11)
Install the flexible connector (148) onto the duct assembly (154).
(12)
Install the duct assembly (146) into the flexible connector (148).
(13)
Connect the bonding strap (145) to the duct assembly (146) with:
-
the bolt (144)
-
the washer (143)
-
the nut (142) (Ref. TASK 20-28-00-912-004).
(14)
Install the anti-ice valve (Ref. TASK 30-11-51-400-001).
(15)
If this is the only bleed-air duct that you removed: (Ref. Fig. 404/TASK 36-11-48-991-013)
(a)
Install the clamp (121)
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