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FAN COWL PANEL - REMOVAL/INSTALLATION
_____________________________________
1. General_______
A. This procedure gives two tasks. The first task is the removal of the fan cowl panel. The second task is the installation of the fan cowl panel. This procedure is used for the inboard and the outboard fan cowl panels.
TASK 71-11-04-014-026-N00
2. Remove the Fan Cowl Panel (Fig. 401)_________________________
A. References
(1)
AMM 71-11-04/201, Fan Cowl Panel
(2)
AIPC 71-11-04, Fig. 1
B.
Access
(1)
Location Zone
413 and 414 Fan Cowl Panel - Engine 1
423 and 424 Fan Cowl Panel - Engine 2
433 and 434 Fan Cowl Panel - Engine 3
443 and 444 Fan Cowl Panel - Engine 4
C.
Procedure
S 014-000-N00
WARNING: USE CAUTION WHEN YOU REMOVE THE FAN COWL PANELS IN LARGE WINDS
_______ OR IN SUDDEN HIGH WINDS. IF YOU DO NOT USE CAUTION, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
WARNING: DO NOT HOLD THE FAN COWL PANELS OPEN WITH THE HOLD-OPEN RODS IF
_______ THE WIND VELOCITY IS MORE THAN 60 KNOTS. THE HOLD-OPEN RODS CAN HAVE A FAILURE IN LARGE WINDS WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Open the fan cowl panels (AMM 71-11-04/201).
(2)
Disconnect the hose (1) for the EEC static port.
S 034-003-N00
S 864-004-N00
WARNING:_______HOLD THE FAN COWL PANEL OPEN WHEN YOU REMOVE THE COWL. EACH FAN COWL PANEL WEIGHS APPROXIMATELY 55 POUNDS (25 Kg). IF THE FAN COWL PANEL FALLS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(3) Hold the fan cowl panel (2) open while you do the steps that follow to remove the cowl:
(a) Disengage the hold-open rods.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
1 2 3 FAN COWL PANELS WITH HINGE PINS FAN COWL PANELS WITH HINGE BOLTS FORWARD AND AFT HINGE LOCATIONS SEE A
1. STATIC PRESSURE HOSE FOR THE EEC 2. FAN COWL PANEL
BSEE (3 LOCATIONS) SEAL AND RETAINER FOR THE FAN COWL PANEL
FWD
A
HINGE FOR THE FAN COWL PANEL HINGE FOR THE FAN COWL PANEL
4. BOLT
5. WASHER 6. NUT ROLL PIN 3 B 1 FWD ROLL PIN 3 B 2 FWD LOCK PIN PIN WITH RELEASE 7. QUICK-
Figure 401 Fan Cowl Panel Installation
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(b) Put the hold-open rods in the stow brackets on the fan cowl panel.
WARNING: DO NOT PUT YOUR WEIGHT AGAINST THE THRUST REVERSER WHEN
_______ YOU REMOVE THE FAN COWL PANEL. AN INJURY CAN OCCUR IF THE THRUST REVERSER OPERATES.
(c)
FAN COWL PANELS WITHOUT THE QUICK-RELEASE PINS; Remove the bolt (4), washer (5) and nut (6) from the hinges on the fan cowl panel.
(d)
FAN COWL PANELS WITH THE QUICK-RELEASE PINS; Remove the quick-release pin (7) from the hinges.
(e)
Lift the fan cowl panel (2) from the roll pins to remove the cowls.
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