Chevrolet 30 Series 1967 Service Manual page 70

BODY IB-8
to center of cowl inside cab, power 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 to provide maximum visi­
bility, turn on wipers, then note sweep of arms. If nec­
essary, 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 se rra­
tions on pivot shaft and in arm cap (fig. 18).
Wiper Arm Pivot Shafts and Link Rod (Fig. 18)
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 venti­
lator grille to cowl. Carefully remove grille forward
from cowl.
3. At center of cowl, remove retainer (fig. 18) which
attaches each link rod to motor drive linkage and
arm assembly. Disengage link rods from pins.
4. Remove two screws which attach 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 brapket. Secure assembly to bracket with
two screws (fig. 18).
2. Attach end of link rod to linkage of motor drive and
arm assembly at center of cowl. Secure rod with
retainer. If opposite pivot shaft and link rod was
removed, install it at the same time.
3. Install outside air cowl ventilator grille to top of
cowl using screws (fig. 15).
4. Before installing wiper arm s, operate wiper motor
momentarily which should rotate pivot shafts to park
position. Install arms and shafts.
ENDGATES
Fleetside
The linkage for the fleetside endgate is designed for
one hand balanced operation. The weld joints are sealed
with a sealer. The only adjustment is slight bending of
the actuating rods.
Replacement (Fig. 19)
1. Open tailgate.
2. Remove screws attaching handle assembly to inner
(NOTEl CHAIN
ASM. IS MARKED
WITH LETTER "L"
OR "R" FOR |
LH OR RH USAGE.
STEPSIDE
VIEW B
FLEETSIDE
F ig . 19 - Endgates - Stepside and Fleetside
I I
n o t e in stall rods
IN POSITION SHOWN
CHEVROLET TRUCK SERVICE M ANUAL