Chevrolet 10 Series 1968, Service Manual, Page: 127 / 713

BODY IB-60
glazing rubber into lower channel then press upper
channel over top of glass. Make sure channels are
firm ly seated, then install two small screws which
attach channels together.
4. If necessary, trim glazing rubber at ends of channels
and along sides of channel each side of glass.
5. If necessary, seal cracks at latch bracket.
6. Insert pivot stud of vent lower channel into hole of
vent frame as shown in Figure 130. Through small
access hole at top of door install vent upper pivot
screw. Install two screws which attach bracket of
vent channel to glass division channel just below vent
latch.
7. Install special flat washer, nylon friction bushing and
friction clamp on vent lower channel pivot shaft, po­
sitioned as shown in Figure 130. Attach friction
clamp to vent lower frame with screw. Tighten
screw (fig. 130) to obtain two to four lbs. torque
while moving vent window from a ten degree open
position to a full-open position. Use either a push or
pull-type spring scale positioned at rear edge of
glass.
8. Install small access panel to inner side of door.
DOOR WEATHERSTRIP
Removal and Installation
1. Remove three screw-retained clips from weather­
strip around perimeter of door.
NOTE:
Figure 131 shows view of weatherstrip
installed at retainer clip.
2. Pull weatherstrip from door, then scrape any rubber
or adhesive material which may have become bonded
to door surface.
3. Apply weatherstrip adhesive as directed by manu­
facturer of adhesive. Directions for application are
usually found on adhesive container.
4. Position seal around perimeter of door making sure
corners of seal engage respective corners of door.
5. Install three screw-retained clips to door and weath­
erstrip. Tighten clip screws firmly.
REAR QUARTER & REAR END
REAR WINDOW AND CORNER GLASS
Replacement
Rear window glass (and rear corner window glass-when
used) are -retained by means of rubber seal and seal in­
sert (fig. 132). Cement butt ends of insert.
1. Pry end of seal insert out of seal with a pointed tool;
then remove rubber insert completely. Push glass
from inside cab. Pull seal from panel.
2. If necessary, straighten any irregularities of seal-
flange in cab opening which may have caused break­
age of glass.
3. Install new rubber seal over panel flange, pushing it
completely into corners. Avoid stretching seal dur­
ing installation. Cut seal to allow sufficient overlap
for a tight joint, then butt ends into position.
4. Position glass to seal and insert hook end of in­
staller Tool J-2189 (fig. 132) into seal groove. Move
tool around glass to force outer lip of seal over glass.
5. Thread end of rubber insert through handle and loop
of installer, after applying RuGlyde or similar rub­
ber lubricant to rubber insert (fig. 132). Push tool
and end of insert into groove at bottom center of
window. Feed in rubber insert while proceeding
around window. Use a hitching movement to avoid
elongation of insert.
6. Cut off end of insert, allowing sufficient overlap for
a tight joint; then butt into groove. Cement butt ends.
SEATS
Cleaning of soft trim and service of optional level ride
seat may be performed as outlined in this section under
Conventional Cabs-Seats, except that access to seat in­
stallation nuts may be gained by tilting cab.
STANDARD SEAT
Figures 133 and 134 illustrate assembly and installa­
tion of standard driver's seat. Seat track removal is
considerably eased by first removing entire seat assem­
bly from cab. Track-adjuster assembly should be lubri­
cated whenever vehicle is lubricated.
OPTIONAL AUXILIARY SEAT
The optional auxiliary seat back may be moved from in
front of the engine oil access door by raising the lower
right hand corner pivoting seat back on bolt located at
lower left hand corner, figure 135 illustrates exploded
view of auxiliary seat with seat back in position for ac­
cess to engine.
SPECIAL TOOLS (Refer to Fig. 136)
CHEVROLET TRUCK SERVICE MANUAL