C.
Access
(1)
Location Zone 412 Engine 1 - Main Gearbox Fwd Face 8 o'clock 422 Engine 2 - Main Gearbox Fwd Face 8 o'clock 432 Engine 3 - Main Gearbox Fwd Face 8 o'clock 442 Engine 4 - Main Gearbox Fwd Face 8 o'clock
(2)
Access Panel
415 Left Thrust Reverser Half - Engine 1
425 Left Thrust Reverser Half - Engine 2
435 Left Thrust Reverser Half - Engine 3
445 Left Thrust Reverser Half - Engine 4
D.
Prepare to Remove the Differential Pressure Switch
S 024-027-N00
(1) Open these circuit breakers and install the DO-NOT-CLOSE tags:
(a) P7 Overhead Circuit Breaker Panel
1) 7F9 EIU L
2) 7F10 EIU C
3) 7F15 EIU R
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
OIL SYSTEM PRESSURE
(REGULATOR)
RELIEF VALVE (REF)
MAIN OIL FILTER (REF)
BRACKET
BOLT
WASHER
OIL FILTER OUTLET
NUT
PRESSURE TUBE
(3 LOCATIONS)
OIL FILTER OIL FILTER INLET
DIFFERENTIAL PRESSURE TUBE
PRESSURE SWITCH,
S1583 OIL PRESSURE TUBE NUT (2 LOCATIONS)
ELECTRICAL
CONNECTOR,
DS1583
FWD
VIEW IN THE UP DIRECTION
1
ENGINES WITHOUT PW SB 79-70
A1
2
ENGINES WITH PW SB 79-70
Oil Filter Differential Pressure Switch Installation Figure 401 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
OIL SYSTEM PRESSURE
(REGULATOR) BRACKET
RELIEF VALVE (REF)
MAIN OIL
FILTER (REF)
OIL FILTER OUTLET
PRESSURE TUBE
BOLT, WASHER, NUT
(3 LOCATIONS)
OIL FILTER
DIFFERENTIAL
PRESSURE SWITCH
OIL FILTER INLET
PRESSURE TUBE
ELECTRICAL
CONNECTOR FWD
OIL PRESSURE
TUBE NUT
(2 LOCATIONS)
VIEW IN THE UP DIRECTION
A 2
Oil Filter Differential Pressure Switch Installation
Figure 401 (Sheet 2)
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E54360
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 014-017-N00
(2) Open the left fan cowl panel (AMM 71-11-04/201).
S 044-024-N00
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______
OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF
THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO
EQUIPMENT.
(3)
Do this procedure: Thrust Reverser Deactivation for Ground
Maintenance (AMM 78-31-00/201).
S 014-018-N00
(4)
Open the left core cowl panel (AMM 71-11-06/201).
S 014-025-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU OPEN THE THRUST
_______
REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO
PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(5)
Open the left thrust reverser (AMM 78-31-00/201).
E.
Remove the Differential Pressure Switch
S 034-003-N00
(1)
Disconnect the electrical connector (DS1583) from the differential
pressure switch.
(a)
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本文链接地址：747-400 AMM 飞机维护手册 滑油 OIL(134)
