(a)
While you hold the two APU access doors in the closed position, open the six latches on the right access door.
NOTE: The left access door will open fully and the right
____ access door will drop approximately one inch (2.5 cm) from the fuselage frame when the last latch is opened.
NOTE: A lanyard is attached to the aft end of the right access
____ door to hold the access door to the APU compartment bulkhead.
CAUTION: BE CAREFUL NOT TO MOVE THE TWO APU ACCESS DOORS TO THE
_______ OUTBOARD SIDE FROM THE FULL OPEN POSITION. THE FULL OPEN POSITION IS WHERE THE APU ACCESS DOOR IS DOWN AND THE TWO HOLD-OPEN RODS ARE CONNECTED TO THE TWO BRACKETS ON THE APU COMPARTMENT BULKHEAD. DAMAGE TO THE ELEVATOR CONTROL SURFACES CAN OCCUR.
(b)
Open the left access door to the fully open position and remove the two hold-open rods from the two clips.
(c)
Remove the two quick-release pins from the two brackets on the left APU compartment bulkhead.
(d)
Connect the two hold-open rods from the left access door to the two brackets and install the two quick-release pins.
(e)
Push the right access door up and remove the lanyard from the pin on the aft APU compartment bulkhead.
(f)
Open the right access door to the fully open position and remove the two hold-open rods from the two clips.
(g)
Remove the two quick-release pins from the two brackets on the right APU compartment bulkhead.
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A
747-400 MAINTENANCE MANUAL
(h)
Connect the two hold-open rods from the right access door to the two brackets and install the two quick-release pins.
D.
Fuel Pump Cover Plug Removal
S 022-102
(1)
Do these steps to remove the cover plug (4):
(a)
Put the container below the fuel pump (1).
(b)
Remove the two nuts (5), two washers (4B) and two spacers (4A) that attach the bracket (5A) with its attaching parts and cover plug (4) to the fuel pump housing.
(c)
Remove the cover plug (4).
(d)
Remove the two packings (3), (2) from the cover plug (4). 1) Discard the two packings (2), (3).
(e)
Make sure you install all necessary protection covers.
(f)
Remove the container.
TASK 49-31-00-402-103
8. Fuel Pump Cover Plug Installation (Fig. 201)_________________________________
A. References
(1)
AMM 49-11-00/201, Auxiliary Power Unit
B.
Consumable Materials
(1)
D00504 Lubricant, Petrolatum Jelly - VV-P-236 or
(2)
D00418 Oil - Aircraft Turbine Engine
C. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 2 | Packing | 49-31-03 | 01 | 61 | | | 3 | Packing | | | 60 | | | 4 | Port Cover (Cover Plug) | | | 59B | 2.......….......…...................................…...........…......….......1
D. Access
(1) Location Zones
221 Control Cabin - Left
222 Control Cabin - Right
310 Fuselage - Station 2360 to Station 2792
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