S 414-116-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(25) Close the thrust reversers (AMM 78-31-00/201).
NOTE: Do not close the fan cowl panels at this time.
____
S 284-086-N00
(26)
Make sure the anchor strap of the latch band for the thrust reverser is installed correctly in the V-groove of the saddle fitting on the top of the engine (Fig. 412).
S 414-087-N00
(27)
If it is removed, install the core cowl panels (AMM 71-11-06/401).
(28)
Close the core cowl panels (AMM 71-11-06/201).
S 414-117-N00
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S 414-025-N00
(29)
If it is removed, install the fan cowl panels (AMM 71-11-04/401).
S 414-152-N00
(30)
Close the fan cowl panels (AMM 71-11-04/201).
S 824-014-N00
(31)
Adjust the latches for the core cowl panel (AMM 71-11-07/501).
S 824-012-N00
(32)
Adjust the tension latches for the fan duct (AMM 78-31-04/501).
S 824-013-N00
(33)
Adjust the latch bands (AMM 78-31-02/501).
S 824-088-N00
(34)
Do a check of the thrust reverser to find if an adjustment is necessary after the engine change (AMM 78-31-01/601).
S 864-089-N00
(35)
Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
Thrust Reverser Latch Band
Figure 412
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 444-182-N00
(36)
Do this task: Retracted Leading Edge Flaps Activation (AMM 27-81-00/201).
S 864-090-N00
(37)
Remove the DO-NOT-OPERATE tag which is installed on the flap control lever.
S 444-019-N00
(38)
If the engine that was removed was a converted engine, put the airplane back to its usual condition (AMM 71-00-09/201).
NOTE: A converted engine is a spare engine that was initially
____ assembled for a 767 or another operators 747-400. This includes the leased pool engines from Pratt & Whitney.
S 734-091-N00
(39) Do the Test No. 10 - Replacement Engine Test (Pretested) or the Test No. 11 - Replacement Engine Test (Untested) as it is applicable (AMM 71-00-00/501).
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POWER PLANT - MAINTENANCE PRACTICES (PRESERVATION AND DEPRESERVATION)
_____________________________________________________________________
1. General
_______
A. There are three tasks in this procedure. The first task is the preservation procedure. The second task is the depreservation procedure. The third task is to dry the engine bearing compartment.
B. There are three different time intervals for the engine preservation: Method I (8 to 30 days), Method II (31 to 90 days), and Method III (More Than 90 days). Engine preservation is not necessary when the engine is not used for seven (7) days or less. You cannot preserve an engine on-wing for more than 90 days without doing the depreservation procedure.
(1)
If the engine will not be used for seven (7) days or less, keep covers on the engine. Also, the humidity and temperature must not change too much.
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