________________
1. General_______
A. This procedure contains a task to examine the fit on the link pin assembly of the truck positioning.
B. To do this procedure, you must disconnect the truck positioning link from the bellcrank assembly.
TASK 32-11-21-206-001
2. The Bellcrank Assembly Inspection on the Wing Landing Gear (Fig. 601)__________________________________________________________
A. References
(1)
32-11-21/401, Wing Gear Bellcrank Assembly Positioning Mechanism
(2)
IPC 32-11-21 Fig. 1, IPC 32-11-22 Fig. 1
B.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
C.
Procedure
S 036-002
(1)
Disconnect the truck positioning link from the bellcrank assembly (Ref 32-11-21/401).
S 226-003
(2)
Examine the link pin assembly of the bellcrank positioning, the bearing, and the bushings for worn areas.
(a)
Measure the parts at the locations shown in figure 601.
(b)
Compare the measured dimensions to the wear limits in figure
601.
(c)
If a part is not in tolerance, replace the part if you cannot repair it.
S 436-004
(3) Connect the positioning link to the bellcrank assembly (Ref 32-11-21/401).
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MAINTENANCE MANUAL
TRUCK POSITIONING LINK
BELLCRANK
2.
BUSHING/PIN
3.
LINK/SLEEVE
1. SLEEVE/BEARING
A-A
TRUCK
POSITIONING
ACTUATOR
OUTER CYLINDER
2
BELLCRANK
ASSEMBLY
UPPER TORSION LINK
1
INNER CYLINDER
A
INNER CYLINDER YOKE
A
TRUCK
POSITIONING
LINK
TRUCK BEAM
LOWER TORSION LINK
APEX BOLT BRAKE RODS
1 FOR LOWER TORSION LINK-TO-BELLCRANK ASSEMBLY INSPECTION/CHECK REFER TO 32-11-14/601
2 FOR TRUCK POSITIONING ACTUATOR-TO-BELLCRANK INSPECTION/CHECK REFER TO 32-11-20/601
Wing Gear Bellcrank Assembly Positioning Mechanism Wear Limits
Figure 601 (Sheet 1)
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MAINTENANCE MANUAL
INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS REPLACE PART WORN REPAIR WORN PART REPAIR INSTR.
DIAMETER MITTED PER-WEAR DIM. 2 ANCE DIAM MAX CLEAR-
MIN MAX
1 SLEEVE ID 2.0000 2.0020 2.0050 0.0053 X
BEARING OD 1.9995 2.0000 1.9965 X
2 BUSHING ID 1.2500 1.2510 1.2532 0.0052 X
PIN OD 1.2480 1.2490 1.2460 X 1
3 LINK ID 2.0810 2.0830 2.0859 0.0049 X
SLEEVE OD 2.0810 2.0820 2.0781 X
WORN PART IS REPAIRABLE. CHROME PLATE TO 0.010 PLATING THICKNESS AND GRIND TO DESIGN DIMENSIONS LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED
Wing Gear Bellcrank Assembly Positioning Mechanism Wear Limits
Figure 601 (Sheet 2)
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