TOHATSU NB-1000 Service Manual page 180

SECTION 6
• pump vacuum tester until gauge indicates 3 - 5 in [76 - 127mm] of
mercury. If loss of vacuum occurs at either range, apply oil around
suspected seal. lf leak stops or oil is drawn in, the seal is defective
and must be replaced. Make necessary repairs to correct the
problem and retest.
22. Fill gearcase with specified gear lubricant. See Engine Specifications
in Section 2 for gearcase capacities.
23. Apply genuine grease or equivalent to the propeller shaft and
propeller mounting hardware. Install the propeller and propeller
mounting hardware.
Make sure propeller thrust holder is installed and
seated against the propeller shaft oil seal before
installing propeller.
propeller may be pushed into gearcase housing
during tightening.
Adjustments
DO NOT attempt gearcase adjustments without
proper manufacturer special tools and adequate
knowledge of gearcase setup.
Specific assembly steps must be completed in order
to perform the gearcase adjustments. lf these steps
have not been performed, refer to Assembly, this
section.
Unless otherwise indicated, all gearcase adjustment
specifications are based on measurements obtained
with manufacturer special tools.
1. Slide lower pump case onto driveshaft and seat into position
35
on gearcase. Secure lower pump case with bolts (1) and plain
washers (2).
6-28
CAUTION
lf installed improperly,
CAUTION
NOTE
NOTE
T1403
1-/ 2-Cylinder