BEARING INBD
BOLTSEE B (REF)
A-A
FWD
____LEFT SIDE INSTALLATION SHOWN.
NOTE: RIGHT SIDE INSTALLATION OPPOSITE.
Spring Beam Support Fitting Installation
Figure 401 (Sheet 1)
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3. RADIUS FILLER
2. SPRING BEAM SUPPORT FITTING
4. RADIUS FILLER
3. RADIUS FILLER
Spring Beam Support Fitting Installation
(Figure 401 (Sheet 2)
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Spring Beam Support Fitting Installation
(Figure 401 (Sheet 3)
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TASK 54-51-06-404-004-001
3. Install the Spring Beam Support Fitting (Fig. 401)_______________________________________
A. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ |401 |2 |Spring Beam Fitting |54-51-01 16 80| | |2 |Spring Beam Fitting | 85| | |2 |Spring Beam Fitting | 90| | |2 |Spring Beam Fitting | 95| | |3 |Radius Filler |54-51-01 16 53| | |4 |Radius Filler | 55| | |5 |Radius Filler | 50| 2......…........…...................................….........….......…........1
B. References
(1)
AMM 54-51-03/401, Spring Beam
(2)
SRM 51-30-02, Fastener Installation and Removal
C. Procedure
NOTE: The fasteners used for this installation come in two different
____ grip lengths. Make sure you look at the reference installation drawing to determine the correct fastener usage, and install the fasteners per SRM 51-03-02.
S 424-005-001
(1) Install the spring beam support fitting (2).
(a)
Install the three radius fillers (5) with the applicable fasteners.
(b)
Install the five radius fillers (4) with the applicable fasteners.
(c)
Install the four radius fillers (3) with the applicable fasteners.
(d)
Install the remaining four fasteners.
S 414-006-001
(2) Install the spring beam (1)(AMM 54-51-03/401).
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FIRESEALS AND FIREWALL - DESCRIPTION AND OPERATION
__________________________________________________
1. General_______
A. The firewall protects the nacelle strut and engine systems installed in the strut from exposure to high temperatures and fire damage. The fireseals prevent leakage of fluids and fire damage.
B. Thermal insulation blankets are installed along the lower spar to protect strut systems from high temperature.
2. Firewall________
A. The firewall consists of steel structural members and steel clad aluminum members. Firewall protection extends from the forward engine mount bulkhead to the torque bulkhead, along the forward midspar and the lower spar, for both inboard and outboard struts.
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