TOHATSU NB-1000 Service Manual page 176

SECTION 6
2.5 / 3.5 and 3.5B
12. Install the gear case assembly to the driveshaft housing. Tighten
the gear case bolt.
3.5B Only
13. When connecting the cam rod and shift rod to each other with the
shift rod joint, set the cam rod and shift rod at the neutral position.
14. lnstaII the propeller.
Assembly — 5 / 8 / 9.8 / 9.9 / 15 / 18 / 25 / 30 / 40
1. Install new gearcase needle bearing, bevel gear A & B roller
bearing and outer race, and driveshaft bearing(s) if any of these
parts were removed. See Gearcase Repair Procedures, this
section.
2. Secure gearcase in holding fixture with water pump side facing
upward.
3. Apply Loctite 242 to the thread of bevel gear B nut (3). Slide
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bevel gear B (4) onto driveshaft (5) as shown from propeller
shaft side of gearcase. Hand tighten nut (3) to secure the gear in place.
Before applying Loctite 242, remove all grease from
tapered portion of bevel gear B and driveshaft with
solvent, and thread of driveshaft and bevel gear B
nut also.
4. InstaII specified socket (6) (9.9/15/18 - Part No. 350-72232-
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0, 25/30 - Part No. 346-72232-0, 40 - Part No. 345-72232-0)
and wrench (7) (Part No. 346-72231-0). Hold bevel gear B nut with
wrench and turn driveshaft clockwise to tighten the nut. Torque bevel
gear B nut to specification.
5. Perform aIl adjustment steps before proceeding. See Adjustments,
this section.
Failure to perform the adjustment steps may result
in poor engine performance, premature wear of
parts, or severe damage to gearcase components.
6. Install the water pump. See Water Pump, this section.
Make sure aIl necessary adjustment shims are installed
on driveshaft bearing before installing lower pump case.
6-24
NOTE
CAUTION
NOTE
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T1731
T1732
1-/ 2-Cylinder