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 TM 55-1905-223-24-18-1
REPAIR
Repair at this level of maintenance is by replacement of: gasket (14), bronze
bushings (7), preformed packing (9), brass bushings (3, FIGURE 2-151), steel
bushings (22), helical compression springs (5), and defective structural parts of
t h e scuttle.
ASSEMBLY
a.
Install flanged plate (13).
b.
Install stop (3) and sleeve (2) on scuttle (1).
c.
Install coupling (4) and pipe sleeve (11).
Measure the required length around the scuttle for gasket.
d.
e.
Add one additional inch and cut gasket.
NOTE
If the gasket is shorter it will eventually
shrink, leaving a gap at the joint and
destroying the watertight integrity of the
scuttle.
Install gasket (14) and gasket retainer (15) on scuttle.
f.
Install dog stud (8).
g.
h.
Install preformed packing (9) and bronze bushings (7) on scuttle.
Install shim (10) and spider (19).
i.
j. Place springs (5) and steel bushings (22) in position.
Install guides (21) with dog arms (23) and tighten set screws (20).
k.
Install cylindrical pins (6) in dog arms.
l.
m.
Secure cylindrical pins using cotter pins (16).
n.
Install handwheel (17) and secure using hexagon nuts (18).
REPLACEMENT
a.
Place scuttle (1, FIGURE 2-180) in position on closure.
Install brass bushings (3) on scuttle (1).
b.
c.
Install flat washers (4) on hinge pad and align holes.
2-713
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