8. SPRING
Disassembled Cap Assembly
Figure 202
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79-11-03
ALL ú ú N01 Page 204 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
D. Access
(1)
Location Zones 412 Engine 1 - Main Gearbox Aft Face 8 o'clock 422 Engine 2 - Main Gearbox Aft Face 8 o'clock 432 Engine 3 - Main Gearbox Aft Face 8 o'clock 442 Engine 4 - Main Gearbox Aft Face 8 o'clock
(2)
Access Panel
417A Oil Fill Access - Engine 1
427A Oil Fill Access - Engine 2
437A Oil Fill Access - Engine 3
447A Oil Fill Access - Engine 4
E.
Procedure
S 962-009-N00
(1) Replace the packing.
(a) Disassemble the cap assembly. 1) Push the cap (5) and lock (9) together. 2) While they are pushed together, remove the pin (1) with a
drift. 3) Remove the handle (2) from the lock. 4) Slowly release the pressure on the cap (5) and lock (9).
NOTE: The washer (4), cap, spring (8), plate (7), and lock
____ will move apart.
5) Discard the packing (3).
(b) Assemble the cap assembly. 1) Apply engine oil to a new packing (3). 2) Install the packing (3) in the packing groove in the lock
(9). 3) Install the spring (8), plate (7), cap (5), and washer (4) on the shaft of the lock (9). 4) Put the handle (2) in its position on the shaft of the lock (9) and the cap (5). 5) Push together the lock (9) and the cap (5), then put the pin (1) through the handle (2).
TASK 79-11-03-402-010-N00
4. Close the Cap Assembly (Fig. 201)
______________________
A. Consumable Materials
(1)
D00390 Oil - Engine
B.
References
(1)
AIPC 79-11-03, Fig. 1
(2)
AMM 78-31-00/201, Thrust Reverser System
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
C. Access
(1)
Location Zones
412 Engine 1 - Main Gearbox Aft Face 8 o'clock
422 Engine 2 - Main Gearbox Aft Face 8 o'clock
432 Engine 3 - Main Gearbox Aft Face 8 o'clock
442 Engine 4 - Main Gearbox Aft Face 8 o'clock
(2)
Access Panel
417A Oil Fill Access - Engine 1
427A Oil Fill Access - Engine 2
437A Oil Fill Access - Engine 3
447A Oil Fill Access - Engine 4
D.
Procedure
S 412-022-N00
(1)
Close the Cap Assembly.
(a)
If the packing is not installed, install the packing as follows: 1) Apply engine oil to the new packing. 2) Install the new packing in the packing groove on the cap
assembly.
(b)
With the handle in the OPEN position, put the cap assembly in the filler neck.
(c)
Align the lugs in the cap assembly with the slots in the filler neck.
(d)
Apply pressure with your hand to the top of the cap assembly.
(e)
Turn the handle 45 degrees clockwise to the CLOSE position.
(f)
Push the handle into the recess to lock the cap assembly.
(g)
Make sure you install and correctly lock the cap assembly in the filler neck. 1) Apply pressure to the outer edge on the cap assembly at
opposite sides. 2) You must not feel movement of the cap assembly.
S 412-023-N00
(2)
Close the oil fill access.
S 442-025-N00
(3)
Do the activation procedure for the thrust reversers
(AMM 78-31-00/201).
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