Chevrolet 70 1969 Series, Shop Manual

Page: 154 / 913

REAR SUSPENSION 4A-15
Detent Spring
(
g
;
Figure 18— Position of Drive Nut W hen Disassembling
w
Figure 19— Removing Shaft, Actuating Lever, and Spring
Figure 21— Removing Motor Wires
10. Remove two jam nuts (9) and fiber washers
(10) from outside of housing. On inside remove
switch center screw (18). Pull out automatic switch
(17) as shown in figure 23.
11. Do not disassemble the shift fork actuat­
ing lever (22), torsion spring (23), and spring wind­
ing lever (24) unless necessary to replace one of
the parts. If necessary to disassemble, mount as­
sembly in vise as shown in figure 24. Turn spring
winding lever (24) clockwise and pull to separate.
DISASSEMBLY OPERATIONS
(ROCKWELL AXLES)
Key numbers in text refer to figure 25.
N O T E : Rockwell shift unit is partially disas­
sembled during removal from differential housing
as described earlier in this section under "Two-
Speed Shift Unit Replacement." With the unit on the
bench, balance of disassembly is the same as Eaton
shift unit disassembly as illustrated in figures 20,
TP-8605-;
Figure 20— Removing Drive Screw Bearing Figure 22— Removing Motor
CHEVROLET SERIES 70 -80 H EAVY DUTY TRUCK SH O P M A N U A L