INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS WORN PART REPLACE PART WORN REPAIR INSTR. REPAIR
DIAMETER MITTED PER-DIM. WEAR MAX ANCE CLEAR-DIAM
MIN MAX
14 1, BUSHING ID 0.3750 0.3765 0.3781 0.0050 1
BOLT OD 0.3735 0.3745 0.3731 X 3
11 2, BEARING ID 0.3747 0.3750 0.3750 0.0019 X
BOLT OD 0.3735 0.3745 0.3731 X 3
10 3, CRANK ID 1.5625 1.5645 --- --- X
BEARING OD 1.4371 1.4375 --- 2
9 4, BUSHING ID 0.3750 0.3765 0.3781 0.0050 4
BOLT OD 0.3735 0.3745 0.3731 X 3
5 CRANK ID 1.0000 1.0002 --- --- X
BEARING OD 0.8746 0.8750 --- 2
7 6, BEARING ID 0.3747 0.3750 0.3750 0.0019 X
BOLT OD 0.3735 0.3745 0.3731 X 3
8 CRANK ID 0.8747 0.8753 --- --- 5
BEARING OD 0.8746 0.8750 0.8746 X 3
13 12, BUSHING ID 0.3745 0.3755 0.3764 0.0033 1
BOLT OD 0.3735 0.3745 0.3731 X 3
REPLACE THE BUSHING. THE MAXIMUM OVERSIZE HOLE IS 0.504.
REPLACE THE BEARING IF IT DOES NOT TURN FREELY. THE LIMITS SHOWN ARE BEFORE THE BEARING RETENTION.
NO CLEARANCE IS PERMITTED AFTER YOU SWAGE. USE A 69-38919 SLEEVE OR AN EQUIVALENT WHEN YOU REPLACE
THE BEARING.
THIS IS A CLAMP-UP JOINT. THERE IS NO CLEARANCE AFTER YOU TIGHTEN THE BOLT.
REPLACE THE BUSHING. THE MAXIMUM OVERSIZE HOLE IS 0.5003.
THE MAXIMUM OVERSIZE HOLE IS 1.0634.
Inboard Elevator Control Linkage Wear Limits
Figure 602 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-07
ALL ú ú 01 Page 606 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 036-010
(5) Remove the nuts (21 and 22) and the bolts (20).
NOTE: Do not change the adjustment of the input control rod when
____
you disconnect it.
S 036-011
(6)
Remove the collar (17), the nut (19), the washers (16 and 18), and the bolt (15).
F.
Measure the Parts that Attach the Power Control Package to the Inboard Elevator Control Pushrod
S 226-012
(1)
Measure the parts for worn areas:
(a)
Remove the parts.
(b)
Use a micrometer or a vernier caliper to measure the parts.
(c)
Compare the dimensions you measured with the permitted dimensions shown in Fig. 602.
(d)
Replace the parts that are not in the tolerance.
(e)
Install the parts.
G.
Assemble the Inboard Elevator Control Pushrods
S 436-013
(1)
Align the crank with holes in the support bracket.
S 286-014
(2)
Make sure that the bearing is installed in the support brackets.
S 396-015
(3)
Apply corrosion preventive compound to the shank and the boltheads (15 and 20).
S 426-016
(4)
Assemble the inboard elevator control pushrods.
(a)
Install the bolt (15), the washers (16 and 18), and the nut (19).
(b)
Tighten the nut (19) to 60-80 pound-inches
(c)
Install the collar (17).
NOTE: Do not tighten the nut (19) again.
____
(d) Align the inboard elevator control pushrods with the crank.
NOTE: Do not change the adjustment of the input control rod
____
when you disconnect it.
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