2.0. For steel parts, use shot number 170 to 460, intensity 0.016A, coverage 2.0.
(c)
Hone inside diameter maximum of 0.0004 inch with 63 microinch finish to achieve final hole size.
(7)
Finish hole of steel parts with two coats of primer or chemically treat hole in aluminum parts to meet requirements of MIL-C-5541 (colored film) and apply one coat of primer. Allow to dry one hour minimum.
(8)
Finish spotface and reworked surfaces of lugs (except holes) with manual application of colored chemical coating per BAC5719 and apply two coats of primer.
500
27-41-131 Page 802 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Jan 20/82
D. Ream inside diameter of new flanged bushing.
(1)
Fabricate oversize bushing per Fig. 803 for interference fit with lug or clevis inside diameter.
(2)
Shrink fit bushing in lug with wet primer. Use -130 bushing installation tool.
(3)
Secure -501 tool frame assembly in position at front spar clevis or lug as shown with -508 potting pin at the location with the original bushing.
(4)
Ream bushings from aft side of spar with -208 arbor with -207 dowel and -206 shell reamer. Continue to ream bushing using -220 and -217 standard reamer provided.
(5)
Hone internal diameter of bushing to diameter of 0.8780 to 0.8790 inch with machine finish 63 microinches AA. Use standard Sunnan hones.
(6)
Fillet seal around flange outside diameter and void at end of bushing with sealant. Apply primer topcoat over sealant.
E. Install horizontal stabilizer (Ref 27-41-11).
4. Replace Horizontal Stabilizer Rear Spar Individual Terminal Clevis and Lug Bushing (Fig. 802)
A. Remove horizontal stabilizer (Ref 27-41-11).
B. Prepare tooling for reaming operation (potting of bushings).
(1)
Position -601 frame assembly at horizontal stabilizer body center section rear spar clevis joints or horizontal stabilizer rear spar terminal lugs and install -609 potting pins three places. Secure potting pins with -118 screws (3 places).
(2)
Clamp -601 tool frame assembly with C-clamp to body clevis or fin lug at replacement location.
(3)
Apply potting compound around P-112-16-1.2530 and P48-16-1/2 bushings through port holes in washers under head of -609 potting pins and through slots in frame under screws securing potting pins on opposite side of frame assembly until cavities are filled.
NOTE: If bushings are to be replaced in lug and clevis at same location, tool need only to be potted to spar lug or clevis, then used for its mate.
(4)
Remove tool assembly after potting compound is cured and firmly set.
C. Ream oversize holes in clevis or lug.
(1)
Before removing existing defective bushings, measure and record the distance between the defective flange bushing face and clevis or lug. Mark the location of this measurement on the clevis or lug so that a repeated measurement can be obtained for the new bushing.
(2)
Remove existing defective bushing from production part. Use CJ107 slide hammer and either -126 or -525 slide hammer adapter. If bushing is being removed from clevis, remove remaining bushing using -125 bushing removal pin.
500
Jan 20/82 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 27-41-131 Page 803
G43038G42981 G42999G43017 G43022G43025 G43030G43031
Horizontal Stabilizer to Body Center Section 500
27-41-131 Rear Spar Attach Fittings Bushing Replacement Jan 20/82
Page 804 Figure 801 (Sheet 1)
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
500 Horizontal Stabilizer to Body Center Section
Jan 20/82 Front Spar Attach Fittings Bushing Replacement 27-41-131
Figure 801 (Sheet 2) Page 805
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Horizontal Stabilizer to Body Center Section 500
27-41-131 Front Spar Attach Fittings Bushing Replacement Jan 20/82
Page 806 Figure 801 (Sheet 3)
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
500 Horizontal Stabilizer to Body Center Section
Jan 20/82 Rear Spar Attach Fittings Bushing Replacement 27-41-131
Figure 801 (Sheet 4) Page 807
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Horizontal Stabilizer to Body Center Section 500
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：737 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(167)
