METAL BODY REPAIR - OD1653 - LESSON 1/TASK 1
FIGURE 15. REMOVING SIMPLE DAMAGE CORRECTLY.
(10) Now that roughing out has been started without releasing the locked
ridge, the metal must be stretched to raise it to its original level as
indicated by the dotted line. So much force is now required to bring it up
to place that it bumps and knots wherever it is struck by the dolly block,
as shown in (2) (figure 16 on the following page). Equalizing all these
bumps and knots means a lot of work. In (3) (figure 16), the dent has been
roughed out and the hammer and dolly are in place to start smoothing.
(11) In (4) (figure 16 on the following page), the dent is restored to a
normal shape. Note, however, that it is a new shape. Not only has time
been wasted in unplanned bumping, but the metal has been stretched, as shown
by the dotted lines, so