TOHATSU NB-1000 Service Manual page 183

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5. With the tapered roller bearing installed, position bevel gear A in
gearcase so bearing is fully seated in outer bearing race. Rotate the
driveshaft to ensure gears are property meshed.
6. Assemble the following backlash tool components. Note the correct
quantity and orientation of conedisk spring washers:
Assemble three conedisk spring washers (10), o-ring (11),
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and collar (12).
7. Insert shaft (13) into gearcase and seat collar/guide end in
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bevel gear A. Install plate (14) using appropriate size bolts.
Turn shaft nuts (15) onto shaft. Tighten the nuts against each other
so outer nut can be used to tighten shaft (13).
8. Look the nuts (15).
9. Mount clamp assembly (16) on driveshaft as close as possible
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to lower pump case. Install dial gauge plate (17) on gearcase
with appropriate size bolts (18).
1-/ 2-Cylinder
T1405
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GEARCASE
T1744
T1745
6-31