(2)
Install the locking plates (5).
(3)
Install the bolts (3) and (4) with SPECIAL MATERIALS (Material No. 05-047).
(4)
Lock the bolts (3) and (4) with the lockwashers (2) and the bolts (1).
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(5) Do a check of the running torque and of the breakaway torque:
(a)
Install the nuts (7) and (8) on the bolts (3) and (4).
(b)
With a torque wrench calibrated to 3.4 m.daN (25.07 lbf.ft) for the nut (7) and calibrated to 4.5 m.daN (33.18 lbf.ft) for the nut (8):
-Measure the running torque necessary to tighten the nuts (7) and (8) until two threads minimum show out of the nuts (7) and (8).
(c)
If the running torque is more than:
-3.4 m.daN (25.0737 lbf.ft) for the nut (7), replace the nut (7).
-4.5 m.daN (33.1858 lbf.ft) for the nut (8), replace the nut (8).
(d)
Loosen the nuts (7) and (8).
(e)
With a torque wrench calibrated to 0.36 m.daN (31.85 lbf.in) for the nut (7) and to 0.56 m.daN (49.55 lbf.in) for the nut (8):
-Measure the breakaway torque necessary to loosen the nuts (7) and (8).
(f)
If the breakaway torque is less than:
-0.36 m.daN (31.8584 lbf.in) for the nut (7), replace the nut
(7)
-0.56 m.daN (49.5575 lbf.in) for the nut (8),
replace the nut (8).
(g)
Do the same for the other nut (7) and (8).
NOTE : Before installation of the new nuts (7) and (8), do a
____ check of the running and breakaway torque as described in para. (5).
(6)
Install the pylon-to-engine aft attach-fittings (9).
(7)
Install the locking plates (6) and the nuts (7) and (8).
(8)
TORQUE the nuts (7) to between 14.6 and 16.8 m.daN (107.66 and 123.89 lbf.ft) and the nuts (8) to between 25 and 29 m.daN (184.36 and
213.86 lbf.ft)
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(9) Lock the nuts (7) and (8) with the lockwashers (2) and the bolts (1).
5. Close-up
________
Subtask 54-51-18-410-050
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
R (2) Install the pylon lateral access-doors (Ref. TASK 54-51-21-400-001):
(a)
For the left pylon: 415AL, 425AR.
(b)
For the right pylon: 425AL, 425AR.
(3) Remove the warning notice(s).
(4) Remove the access platform(s).
Subtask 54-51-18-420-051
B. Engine Installation
(1) Install the engine (Ref. TASK 71-00-00-400-042).
DOORS - REMOVAL/INSTALLATION
____________________________
TASK 54-51-21-000-001
Removal of the Pylon Lateral Access-Doors
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
No specific 1 ACCESS PLATFORM 2M (6 FT)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
R **ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
54-51-21-991-001 Fig. 401 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
54-51-21-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 54-51-21-861-050
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