(1)
Location Zones
115 Nose Landing Gear Wheel Well (Left)
116 Nose Landing Gear Wheel Well (Right)
C.
Prepare for Removal
S 494-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-003
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 864-004
(3)
Remove the pressure from the left hydraulic system and hydraulic reservoir (AMM 29-11-00/201).
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SEQUENCE
VALVE
BOLT
WASHER (2 LOCATIONS)
LINK
SEQUENCE VALVE
Nose Landing Gear Door-Operated Sequence Valve Installation
Figure 401
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D. Remove the Valve
S 034-005
(1)
Disconnect the hydraulic lines from the valve.
S 494-006
(2)
Install plugs in the hydraulic lines and fittings.
S 034-007
(3)
Disconnect the valve from the link (View A-A).
S 034-008
(4)
Disconnect the valve from the link carrier (Detail A).
S 024-009
(5)
Remove the two bolts and washers to disconnect the valve from the wheel well structure.
TASK 32-34-05-404-010
3. Install the Door-Operated Sequence Valve for the Nose Landing Gear (Fig. 401)__________________________________________________________________
A. References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-34-00/501, Nose Gear Extension and Retraction
B.
Access
(1)
Location Zones
115 Nose Landing Gear Wheel Well (Left)
116 Nose Landing Gear Wheel Well (Right)
C.
Procedure
S 424-011
(1)
Install the bolts and washers to connect the valve to the wheel well structure.
S 434-012
(2)
Install the bolts, washers, and nuts to connect the valve to the link carrier.
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(3) S 434-013Install the bolt, washers, and nut to connect the valve to the link (View A-A).
(4) S 434-014Make sure the pressure is removed from the left hydraulic system and reservoir (AMM 29-11-00/201). Connect the hydraulic lines to the valve.
S 094-015
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(5)
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
S 864-016
(6)
Pressurize the left hydraulic system (AMM 29-11-00/201).
S 714-022 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LANDING
_______ GEAR AREAS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(7) Do the extension and retraction test for the nose landing gear (AMM 32-34-00/501).
S 494-018 WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(8) Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
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S 794-019
(9)
Examine the valve for hydraulic leaks.
S 614-020
(10)
Make sure the fluid in the hydraulic reservoirs is at the correct level. Fill if it is necessary (AMM 12-12-01/301).
S 094-021
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
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