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42RH/46RH/47RH OVERDRIVE UNIT OVERHAUL
SNAP
OUTPUT SHAFT
RING F R O N T BEARING
ANNULUS
GEAR
J9021-89
Fig. 45 Annulus Gear And Snap Ring Installation
OUTER
RETAINING RING
J9121-293
Fig. 46 Clutch Drum And Outer Retaining Ring
Installation
(9) Install overrunning clutch on hub (Fig. 48). Note
that clutch only fits one way. Shoulder on clutch
should seat in small recess at edge of hub.
(10) Install thrust bearing on overrunning clutch hub
(Fig. 49). Use petroleum jelly to hold bearing in place
during installation. Bearing fits one way only. Be
sure bearing is seated squarely against hub. Repo
sition bearing if it does not seat squarely.
(11) Install overrunning clutch (Fig. 50). Insert
snap ring pliers in hub splines. Expand pliers to grip
hub. Then install assembly with counterclockwise,
twisting motion.
(12) Install planetary gear in annulus gear (Fig.
51). Be sure planetary pinions are fully seated
in annulus gear before proceeding.
(13) Install direct clutch spring plate on sun gear.
Then secure plate to sun gear with snap ring (Fig.
52). Shoulder side of plate should face outward and
toward front.
INNER
RETAINING
RING
ANNULUS
GEAR
J9121-294
Fig. 47 Clutch Drum Inner Retaining Ring
Installation
CLUTCH
HUB
OVERRUNNING
CLUTCH
J9121-322
Fig. 48 Assembling Overrunning Clutch And Hub
BE SURE
THRUST BEARING
IS SEATED SQUARELY
AGAINST CLUTCH HUB
CLUTCH
HUB
J9121-323
Fig. 49 Overrunning Clutch Thrust Bearing
Installation