Chevrolet Light Duty Truck 1973 Service Manual page 150

1B-30 BODY
Front End
Windshield Wipers...................................................... ..IB-30
Cowl Ventilator G rille.................................................IB-31
Side Ventilator Valve...................................................IB-31
Rear View M irror....................................................... ..IB-32
Body Glass
Windshield Glass............................................................IB-32
Stationary Glass..............................................................IB-34
Swingout Glass................................................................IB-34
Front Door
Adjustments......................................................................IB-34
Replacement.....................................................................IB-34
W eatherstrip................................................................... ..IB-34
Hinges.................................................................................IB-35
Ventilator..........................................................................IB-36
Window and R egulator...............................................IB-37
WINDSHIELD WIPERS
Windshield wiper units on all models are of the two-
speed electric type. A single wiper motor unit, mounted
to dash panel at top and to left of engine cover inside
cab, powers both wiper blades. The wiper blade
operating link rods and pivot mountings on these models
are located in the outside air inlet plenum chamber.
Arm Adjustment
To adjust sweep of blades turn on wipers, then note
sweep of arms. If necessary, remove one or both arms as
follows: Pull outer end of arm away from glass which
will trip lock spring at base of arm and release spring
from undercut of pivot shaft. While holding arm in this
position, pull outward on cap section at base of arm to
remove arm. Arm can be reinstalled in any one of
several positions due to serrations on pivot shaft and in
arm cap. See figure 1G.
WIPER ARM PIVOT SHAFTS AND LINK
ROD—FIG. 2G
Removal
1. Remove windshield wiper arms from pivot shafts.
Procedure for removing arms is explained previ­
ously under "Arm Adjustments."
2. Remove screws which attach outside air cowl
ventilator grille to cowl. Carefully remove grille
from cowl.
3. At center of cowl, remove two attaching nuts which
G MODELS
INDEX
Locks, Handles, Rods...................................................IB-37
Sliding Side Door
Front Latch.......................................................................IB-38
Rear Latch........................................................................IB-39
Upper Left H inge..........................................................IB-39
Door Strikers................................................................. ..IB-40
Adjustments.......................................................................IB-40
Rear Door
H inge................................................................................ ..IB-44
Remote Control............................................................. ..IB-44
Latches and R ods..........................................................1B44
Adjustments.......................................................................IB-45
Seats
Drivers Seat......................................................................IB-46
Passenger Seat............................................................... ..IB-47
Rear Seats.........................................................................1B47
FRONT END
attach link rod to motor drive. Disengage link rods
from pins.
4. Remove screws which attach each arm transmission
pivot shaft assembly to cowl. Remove pivot shaft
assembly with link rod from plenum chamber.
Installation
1. Place pivot shaft assembly with link rod into
position at cowl bracket. Secure assembly to bracket
with two screws.
2. Attach end of link rod to motor drive and arm.
Secure rod with the two attaching nuts.
LIGHT DUTY TRUCK SERVICE MANUAL