(3)
Remove the pressure from the left hydraulic system (Ref 29-11-00).
S 864-004
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MAINTENANCE MANUAL
DOOR-OPERATED SEQUENCE VALVE BELLCRANK
SEE A DOOR ACTUATOR A SUPPORT BRACKET
A
B
BUSHING WASHER NUT BOLT B BOLT WASHER NUT
OPERATING ROD BOLT BUSHING WASHER NUT
A
DOOR
SUPPORT ACTUATOR
SUPPORT BRACKET BELLCRANK BRACKET FOR THE BUSHING
FOR THE BELLCRANK WASHER
BELLCRANK BUSHING
BOLT
NUT
BOLT
NUT
WASHER
(2 LOCATIONS)
WASHER
WASHER BELLCRANK
A-A B-B
Operating Mechanism Installation for the Forward Door of the Nose Landing Gear
Figure 401
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D. Remove the Operating Mechanism
S 014-005
(1)
Remove the bolts to disconnect the operating rods for the door from the door hinges (Detail A).
S 014-006
(2)
Hold the door actuator. Remove the bolt to disconnect the door actuator from the bellcrank (View B-B).
S 014-007
(3)
Remove the bolt to disconnect the rod for the door-operated sequence valve from the bellcrank (Detail A).
S 844-008
(4)
Get access through the forward access door, panel 113AL (Ref 06-41-00).
S 014-009
(5)
Remove the washer and the nut from the bolt (View A-A).
S 014-010
(6)
Hold the bellcrank. Remove the bolt to disconnect the bellcrank from the support bracket.
TASK 32-22-02-404-011
3. Install the Operating Mechanism for the Forward Door of the Nose Landing Gear_____________________________________________________________________________ (Fig. 401)
A. Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Recommended)
(2)
D00013 Grease - MIL-G-23827 (Alternative)
B.
References
(1)
32-00-15/201, Landing Gear Door Locks
(2)
32-00-20/201, Landing Gear Downlocks
(3)
32-22-00/501, Nose Gear Doors
C.
Access
(1)
Location Zones
711 Nose Landing Gear (NLG)
713/714 Forward NLG Doors
715/716 Aft NLG Doors
730/740 Main Landing Gear and Doors
(2)
Access Panel
113AL Forward Access Panels
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MAINTENANCE MANUAL
D. Install the Operating Mechanism
S 414-012
(1) Install the bushing, the bolt, the washers, the nut, and the cotter
pin to connect the bellcrank to the support bracket (View A-A).
Tighten the bolt to 1080-1320 pound-inches.
S 414-013
(2) Install the bolt, the washers, the bushing, and the nut to connect
the door actuator to the bellcrank (View B-B).
S 414-014
(3) Install the bolt, the washers, the bushings, and the nut to connect
the rod for the door-operated sequence valve to the bellcrank
(Detail A).
S 414-015
(4) Install the bushings, the bolts, the washers, the nuts, and the
cotter pins to connect the operating rods for the door to the door
hinges.
S 824-016
(5) Do a check of the forward doors for the correct adjustment
(Ref 32-22-00).
E. Put the Airplane Back to Its Usual Condition
S 644-017
(1) Lubricate the operating mechanism at the grease fittings.
S 094-020
ú WARNING: OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN_______
ú AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE
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