(2)
Organic Corrosion Inhibiting Compound - BMS 3-23 (Ref 20-30-21)
B. Remove main cargo door aft hinge (Fig. 401).
(1)
Prepare for hinge removal by performing par. 3 of 52-32-11, Removal/Installation.
(2)
Remove components at weather seal installation as necessary to gain access to hinge fasteners.
(3)
Remove hinge end fairings on door and on doorsill by removing bolts.
(4)
Using a drift and a light hammer or pneumatic hammer, drift the hinge pin aft out of the aft hinge segment half on the door and the three mating hinge segment halves on the doorsill. Save shims for reinstallation.
551
Jan 20/83 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 52-32-13 Page 401
Main Cargo Door Forward and Aft Hinge Installations 551
52-32-13 Figure 401 Aug 15/77
Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
NOTE: Bolts are of varying lengths. Tag for installation location.
C. Install Main Cargo Door Aft Hinge (Fig. 401)
(1)
Examine removed hinge segment for wear at the aft hinge loop per Fig. 401.
(2)
Prior to pin installation, remove dirt and other contamination from pin and hinge pin holes with air blast and/or round bristle brush. Remove grease and oil with general purpose cleaning solvent.
(3)
If any of the three short end hinge segments of the sil1-mounted hinge are being replaced, they must all be replaced and the aft door-mounted hinge segment must also be replaced. Proceed as follows:
(a)
Position new 65-62223-501 hinge at installation position on doorsill and drill holes to mate with installation holes in doorsill.
(b)
Remove 65-62223-501 hinge segment and saw into three segments at existing saw cut locations. Prepare sawed surfaces per standard operator's procedure.
(c)
Position shims beneath hinge sections and install bolts (except for bolts common to weather seal installation).
NOTE: If reshimming is required, maximum shim thickness is 0.06 inch, maximum gap before clamp-up is 0.008 inch.
(d)
Install doorsill components at weather seal removed in step 2.B.(2).
(e)
Install door-mounted hinge segment. Shim per step (c) above.
(f)
Align door- and sil1-mounted hinges with hammer or pneumatic hammer and install hinge pin. Lubricate hinge pin and hinge loop bores with grease prior to installation.
(g)
Install hinge end fairings.
(h)
Apply organic corrosion inhibiting compound to hinges per instructions in 51-21-91.
(i)
Complete installation of weather seal components removed in step 2.B.(2).
(4)
Remove the attaching bolts and the sling from the cargo door and replace countersunk screws in the cargo door slink attachment points.
(5)
Close circuit breakers opened in par. 3.
(6)
Operate door through open and close cycles to check for proper operation.
551
May 15/77 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 52-32-13 Page 403
3. Removal/Installation Main Cargo Door Forward Hinge
A. Equipment and Materials
(1)
Grease - MIL-G-21164 (Ref 20-60-2)
(2)
Organic Corrosion Inhibiting Compound - BMS 3-23 (Ref 20-30-21)
B. Remove Main Cargo Door Forward Hinge (Fig. 401)
(1)
Prepare for hinge removal by performing par. 3 of 52-32-11, Removal/Installation.
(2)
Remove components at weather seal installation as necessary to gain access to hinge fasteners.
(3)
Remove hinge end fairings on door and on doorsill by removing bolts.
(4)
Using a drift and a light hammer or pneumatic hammer, drift the hinge pin aft out of the aft hinge segment half on the door and the three mating hinge segment halves on the doorsill. Save shims for reinstallation.
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