11 -
2§S
42RH/46RK/47RH OfERDRiVE UNIT OfERHAUL
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mm
(11) Remove geartrain assembly from housing (Fig.
11). Set geartrain aside.
Fig. 11 Overdrive Geartrain Removal
(12) Remove output shaft front bearing locating
ring and governor support snap ring (Fig. 12).
Fig. 12 Front Bearing Locating Ring And Governor
Support Snap Ring Location
(13) Remove governor support and tube assembly
from case (Fig. 13).
(14) Remove park pawl retaining bolt and reaction
plug snap ring (Fig. 14). Compress snap ring only
enough to remove it. Snap ring can be distorted if
overcompressed.
(15) Remove park pawl shaft, park pawl, pawl
spring and reaction plug (Fig. 14).
(16) Remove output shaft rear bearing snap ring
(Fig. 15). Remove snap ring with long jaw internal
type snap ring pliers. Or, rotate snap ring until one
end is adjacent to notch in case. Then unseat ring
with extra long flat blade screwdriver.
(17) Remove rear bearing by tapping overdrive
case on wood block to dislodge bearing.
Fig. 13 Governor Support And Tube. Assembly
Removal
Fig. 14 Park Lock Component Removal
OVERDRIVE GEARTRAIN DISASSEMBLY
(1) Remove E-clip from one end of governor valve
shaft and remove shaft and valve (Fig. 16).
(2) Remove governor snap ring (fig. 17).
(3) Remove governor body and drive as assembly
(Fig. 18). Set assembly aside for disassembly, inspec
tion, and overhaul. Refer to Governor Overhaul pro
cedures.
(4) Remove governor drive key (Fig. 19).
(5) Remove output shaft front bearing snap ring
(Fig. 20).