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 TM 55-1905-223-24-18-1
Place helical compression springs (6), then bushings (4) on door.
k.
Install dog arms (2) with guides (21) and secure using set screws (14).
l.
Install cylindrical pins in dog arms (2) and secure using cotter pins (15).
m.
REPLACEMENT
Place door (1, FIGURE 2-172) in position on frame.
a.
Install flat washers (4) and align holes.
b.
NOTE
Make sure that one washer is placed on each
side of hinge blade.
Insert cylindrical pins (3) in hinge blades (2).
c.
Secure cylindrical pins (3) using cotter pins (5).
d.
NOTE
Upon initial installation of a door, new
gasket, or new dog the door should be "chalk
tested."
Perform chalk test as follows:
e.
(1) Clean the knife edge of the closure frame.
(2) Apply a chalk line completely around the knife edge of door frame.
(3) Dog the door.
(4) If the door is watertight, the gasket will show an unbroken chalk line,
(5) If the line is broken, adjust the dogs and retest.
CAUTION
Dogs should not be adjusted to give more
than 1/8" compression. Excessive pressure
is harmful to the gasket.
f. Operate door and check for smooth and positive dogging action.
Install (if removed in step a of removal procedure) grounding straps (6,
g.
2-690
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