4-170. WINDSHIELD REPLACEMENT (Continued).
d. Remove any excess urethane and remaining
weather-strip from the pinchweld flange.
If there is too much clearance between the
glass and the flange of the opening, the
flange can be built up. Braze a piece of 1/8
inch (3mm) diameter wire to the edge of
the flange. Usually, building up one side
and half way around one corner will be
enough. Taper off the ends of the wire to
avoid an abrupt change in contour which
could result, later, in a broken windshield.
Before installing a windshield, the
clearance between the edge of the glass
and the flange of the opening should be
checked. The glass and flange overlap
Primer must be thoroughly stirred and
by 0.2 inch (5mm). If the windshield is
agitated prior to application.
too big, rework the metal flange or grind
off the edge of the glass. If the glass is
b. Apply the pinchweld primer (Appendix D, Item
to be ground off, place a strip of tape on
36) with a new applicator to the pinchweld
the glass and use the edge of the tape
where indicated (5).
as a guide.
Windshield installation requires a number
c. Allow the primer to cure for 30 minutes.
of times steps because of the cure times
involved with the primers, solvents, and
d. Apply rubber cleaner (Appendix D, Item 19) with
adhesives used in this procedure. This
a new applicator on both channels of the rubber
timing is important and must be followed.
Wipe the pinchweld clean with a dry cloth,
e. Wait five minutes before wiping the channels
making sure all previous urethane has been
with a clean, dry cloth.
f. Apply rubber primer (Appendix D, Item 19) to
both channels of the rubber weather-strip (6)