(2) Use short rigid tool to completely cover the
Using too much pressure will waste compound by
underbody of the wrecker, including open access
causing overspray and excessively thick coatings.
surfaces to side, cross, and longitudinal sills.
c. Rustproofing Underbody (see Figure 16-3).
d. Rustproofing Stake Pockets (see Figure 16-4).
Insert long rigid tool into base of stake pockets A and
(1) Insert 90 degree short tool into holes A and
spray in all directions as tool is withdrawn.
B of side supports and spray in all directions.
16-4. Rustproofing Inspection.
Check the vehicle to ensure that all areas requiring
rustproofing compound have been properly and
a. Check seams, welds, corners, and boxed areas to
ensure that they are adequately coated.
b. Check wet film thickness with a wet film
of 10 mils is required. In areas where a wet film
thickness of 10 mils cannot be obtained or where
thickness cannot be measured, inspect for complete-
ness of coverage.
c. Check all drain holes to ensure that they are
Figure 16-4. Rustproofing Stake Pockets.