(a)
High vibration indication (AMM 71-00-47/101).
(b)
Engine operations above the limits and high engine stress inspection after a rough landing (AMM 72-00-00/601).
(c)
Scheduled maintenance as described in the Maintenance Planning Data Document.
(2)
You will do this inspection after the vibration isolator is removed from the strut.
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B.
C.
D.
A
737-300/400/500MAINTENANCE MANUAL
(3)
It is recommended you use the vendor Component Maintenance Manuals
for damage limits and repair information.References
(1)
SRM 54-50-90
(2)
LORD CMM 54-40-02Access
(1)
Location Zones 5 Left Nacelle 6 Right Nacelle
Procedure
S 012-011-B00
(1)
If not done, do the procedure to remove the forward engine mount.
S 212-012-B00
(2)
Do an inspection for wear of the forward engine mounts. Use the wear limits given in Figure 202.
(a)
If the wear is more than the limits, replace the parts.
(b)
The permitted forward and aft freeplay in the left crossbeam to strut fitting joint is 0.002 to 0.014 inches.
S 912-024-B00
(3)
This examination recommends use of the vendor Component Maintenance Manual for damage limits and repair information.
S 212-010-B00
(4)
Do a check of the vibration isolator elastomer.
NOTE: To make an inspection of the strut structure, which
____ includes the crossbeam assembly, refer to SRM 54-50-90.
(a)
Do the inspection of the engine mount using the data from the Vendor Component Maintenance Manual (CMM 54-40-02).
(b)
Make an inspection of the metal area of the vibration isolator elastomer. Use the limits given below to repair the damage. 1) If you find nicks and gouges:
a) Nicks and gouges less than 0.030 inch (0.762 mm) in depth can be polished. b) Nicks and gouges more than 0.030 inch (0.762 mm) are not permitted. 2) If you find cracks and deformation of the metal: a) Cracks and deformation of the metal are not permitted.
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A
737-300/400/500MAINTENANCE MANUAL
THRUST REVERSER HINGE FITTING - MAINTENANCE PRACTICES
_____________________________________________________
1. General_______
A. This procedure has these tasks:
(1)
Get access to the thrust reverser hinges.
(2)
For the forward hinge fitting for the thrust reverser:
(a)
Remove the hinge link.
(b)
Remove the cross beam.
(c)
Install the hinge link.
(d)
Install the vibration isolator (roller swage method).
(e)
Install the cross beam.
(3)
For the center hinge fitting for the thrust reverser:
(a)
Remove the bearing assembly.
(b)
Remove the roller swaged vibration isolator.
(c)
Remove the cross beam.
(d)
Remove the vibration isolator.
(e)
Remove the bearing assembly from the cross beam.
(f)
Install the bearing assemly in the hinge fitting.
(g)
Install the vibration isolator in the hinge fitting (roller swage method).
(h)
Install the vibration isolator in the center hinge fitting.
(i)
Install the bearing assembly in the cross beam.
(j)
Install the cross beam in the center hinge fitting.
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