Model G0768/G0769 (Mfd. Since 6/14)
-53-
5. Loosen adjuster cap screw shown in Figure
75, and pivot adjuster down to disengage
gears.
6. Remove hex nuts, e-clips, and flat washer
that secure gears (see
Figure 75).
7. Loosen top and bottom gear shafts to make it
easier to remove gears in following steps.
8. Slide 80T and 84T gears off shafts, then
remove middle C/D (20T/80T) gear and shaft
(see
Figure 76).
Figure 75. Adjuster cap screw location.
Figure 76. Gear removal identification.
84T Gear
20T/80T Gear
80T Gear
Tip: Hold middle shaft T-nut in adjuster while
removing 20T/80T gear so T-nut does not fall off.
Gear
Shafts
Hex Nut &
E-Clips
Hex Nut &
Flat Washer
Adjuster
Adjuster Cap
Screw
10. Slide 50T gear onto lower shaft with hub
facing in, re-install keyed spacer and flat
washer, then thread on hex nut finger-tight,
for now (see
Figure 78).
9. Remove keyed spacer from lower gear shaft
(see
Figure 77).
Figure 78. 50T gear installed on lower shaft.
50T Gear
Flat Washer
Hex Nut
11. Remove gear shaft from middle C/D (20T/80T)
gear (see
Figure 79).
Figure 79. Shaft removed from 20T/80T gear.
Shaft
Figure 77. Location of keyed spacer.
Keyed
Spacer
Shaft
Keyed Spacer