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Page Title:
Figure 27. Method of Maintaining Alinement of Side Rail Before Tack Welding |
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 TB 9-2300-247-40
q.
Select UNF Grade 8 bolts of sizes to fit the
installed exceed the size of the original bolt
new and existing holes, as required, and of
or rivet removed by more than 1/16-inch.
lengths to accommodate the added
reinforcement plate, washers and locknuts.
s.
Thoroughly clean repaired surfaces and
surrounding area of repair.
NOTE
t.
Prime and paint repair area and
When shoulder bolts are used in
surrounding surfaces as specified in TM-
fastening reinforcement plates in the
43-0139.
new work, the length of the new
shoulder bolt shall depend on the
u.
With the reinforcement plate in place, ream
total thickness of the framing
holes, where accessible and as required, to
member and the reinforcing plate.
the exact size of the new bolt to be
installed.
Since welding is a suitable
r.
Where holes are slightly misalined because
method of repair for this type of frame
of warpage or shrinkage caused by the
defect, bolting of the reinforcement plate is
welding process, aline holes by reaming. In
a secondary means of increasing the
no case, however, shall any new bolt
strength of the repair.
Figure 27. Method of Maintaining Alinement of Side Rail Before Tack Welding
v.
Install correct size bolts, washers and
x.
Thoroughly clean repaired surfaces and
locknuts in all bolt and rivet holes. Torque
surrounding area of repair.
all bolted connections as specified in
paragraph q.
y.
Prime and paint repair area and
surrounding surfaces as specified in TM-
w.
Weld reinforcing plate to side rail as
43-0139.
indicated in Figure 29.
25
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