a. Repair consists of replacing damaged parts or lubrication of latches (1, 4, 7 or 10, Figure 4-31, sheet 1) if they
become corroded or hard to turn. (Refer to LO 10-4610-232-1 2.)
b. Replace gaskets which are loose, torn or compressed beyond providing a good seal.
c. Lubricate latches by putting silicone lubricant on the shaft (8, Figure 4-31, sheet 2) where it passes through the
latch body. Work latch handle up and down to work lubricant into latch body.
d. Replace damaged or missing nameplates (para. 4-10).
a. Install gaskets (3, 6, 9 and 12, Figure 4-31, sheet 1) if removed as follows:
Drycleaning solvent AA 711, Types I and II, used to clean parts is potentially danger-
ous to personnel. Avoid nonporous gloves when handling the sovlent or material wet
with drycleaning solvent. Wash hands immediately after exposure with soap and
water and use a lanolin based skin cream to prevent skin drying. Do not use near
open flame or excessive heat. Flash point of solvent is 100°F (38°C).
Gasket material is furnished in preglued rolls. Be sure the gasket seating area is
clean before installing new gaskets. Use dry cleaning solvent AA 711, Types I and II to
clean gasket area.
(1) Cut top and bottom strips of gasket material for doors (2,5,8 and 11) and install these strips first. Strips should
be long enough so that the two side strips fit inside the ends of the top and bottom strips to prevent any possibility of
(2) Cut side strips for doors (2, 5, 8 and 11) and install these strips.
(3) Close doors (8 and 11) and install doors (2 and 5) with latches (1 and 4).
b. Reassemble door latches as follows (Figure 4-31, sheet 2):
(1) Insert door latch (20) through door opening.
(2) Secure with Iockwasher (19) and nut (18). Install adjusting nut (17).
(3) Install washer (16), pawl (15), Iockwasher (14) and nut (13).
(4) Adjust as described above.