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TM5-4210-229-14&P
5-18.
CAB PANELS REPAIR (Continued).
(3)
When the filler (Appendix D, Item 17) is firm
to the touch file off the excess, still leaving
the filler level slightly above that of the
original surface.
NOTE
Keep heat source at least 12 inches away from
the repair area.
(4)
Pre-shrink the filler using a heat gun. A
minimum temperature of 120 ° F (49° C) is
required for shrinkage.
(5)
Sand the filler with sandpaper (Appendix D,
Item 46) until it is smooth and even with the
original surface.
(6)
If the filler (Appendix D, Item 17) is slightly
porous, apply a thin coat of glazing putty
(Appendix D, Item 44).
NOTE
If the filler is pockmarked, do not use glazing
putty. Apply another layer of body filler as
covered in steps (1) through (5) before applying
the glazing putty.
(7)
Allow the glazing putty to cure under heat gun.
Finish by sanding with sandpaper (Appendix
D, Item 46).
Compressed air used for cleaning or drying can
create airborne particles that may enter the eyes.
Pressure shall not exceed 30 psi (206 kPa).
Wearing of goggles is required to avoid injury to
personnel.
(8)
Clean the area with air. Spot prime the
surface
and
wet
sand
with
sandpaper
(Appendix D, Item 46). Complete the repair
by painting (Appendix D, Item 40) the surface.
5-42
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