(3)
Remove crank assembly from door operator bolt.
F. Remove door operator bolt.
(1)
Remove aft access panel (11) in nose gear wheel well, from side on which linkage is being removed.
(2)
Remove antirotation bolt (17) at outboard end of door operator bolt (14).
(3)
Remove door operator bolt from support fitting (12).
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Sep 01/02 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-33-61 Page 401
3. Install Nose Gear Wheel Well Door Linkage (Fig. 401)
A. Clean and apply thin coat of corrosion compound to shank of door operator bolt (14).
B. Install compound coated door operator bolt in door operator support fitting (12) on wheel well side bulkhead (16).
(1)
Mark a reference line on the unthreaded end of door operator bolt (14) to align with center of antirotation bolt (17) hole.
(2)
Position door operator bolt for installation from inboard out with reference line for center of antirotation bolthole aligned with antirotation bolthole in door operator support fitting.
(3)
Slide bolt into support fitting, maintaining alignment of reference mark and bolthole in support fitting.
(4)
Align bolt holes in door operator bolt and door operator support fitting and install close tolerance short thread antirotation bolt (17).
(5)
Install flat washer, shear nut, and corrosion resistant cotter pin.
C. Install crank assembly (3) on door operator bolt (14).
(1)
Slide crank assembly onto door operator bolt.
(2)
Install door operator nut (13) and tighten until a gap of 0.001 to 0.003 inch is measured between nut and the bushing which is in the crank assembly.
(3)
Install spring pin (15) to lock door operator nut and lockwire spring pin with NC40 Monel lockwire.
D. Attach link assembly (8) to drag brace upper link (9) and crank assembly (3).
(1)
Apply thin coat of corrosion preventive compound to shank of corrosion resistant steel, close tolerance, short thread bolt (1).
(2)
Attach one end of link assembly to drag brace upper link with the compound-coated corrosion resistant steel bolt (1), flat washer, shear nut, and corrosion resistant steel cotter pin.
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32-33-61 Page 402 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 15/67
H29205
500 Nose Wheel Well Door Linkage Installation
May 01/01 Figure 401 32-33-61
Page 403
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
(3)
Apply thin coat of corrosion preventive compound to shank of corrosion resistant steel, close tolerance, short thread bolt (2).
(4)
Attach lower end of link assembly to crank assembly with the compound coated, corrosion resistant steel bolt (2), flat washer, shear nut, and corrosion resistant steel cotter pin.
E. Jack nose of airplane until nose wheel clears ground (Ref Chapter 7, Airplane Jacking).
WARNING: CHECK THAT GROUND LOCK ASSEMBLIES ARE INSTALLED IN MAIN LANDING GEAR TO PREVENT INADVERTENT OPERATION OF GEAR. INJURY TO PERSONNEL AND/OR EQUIPMENT COULD RESULT IF GEAR RETRACTS.
F. Pressurize hydraulic system A (Ref 29-11-0 MP). Retract nose gear using override trigger on gear control lever.
G. Connect actuator rod (5) to crank assembly (3) and door center hinge fitting (6).
(1)
Apply thin coat of corrosion preventive compound to shank of corrosion resistant steel, close tolerance, short thread bolt (4).
(2)
Attach one actuator rod end to lower end of crank assembly with the compound-coated corrosion resistant bolt (4), flat washer, shear nut, and corrosion resistant steel cotter pin.
(3)
Apply thin coat of corrosion preventive compound to shank of corrosion resistant steel, close tolerance, short thread bolt (7).
(4)
Attach actuator lower rod end to door center hinge fitting with the compound coated, corrosion resistant steel bolt (7), flat washer, shear nut, and corrosion resistant steel cotter pin.
H. Adjust door linkage (Ref Nose Gear Wheel Well Door Linkage - A/T).
I. Perform retraction test (Ref 32-33-0).
J. Lower the airplane and remove jacks.
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32-33-61 Page 404 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Jun 20/87
NOSE GEAR WHEEL WELL DOOR LINKAGE - ADJUSTMENT/TEST
1. Wheel Well Door Linkage Adjustment
A. Equipment and Materials
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