TOHATSU BFT115A Service Manual page 374

LUBRICATION SYSTEM
INSTALLATION
Apply engine oil to a new O-ring (1), and install it to the
oil strainer (2).
Apply 1.0 – 5.0 mm (0.04 – 0.20 in) bead of liquid
sealant (ThreeBond® #1211 or equivalent) to the upper
and lower area of a new oil case gasket (3) as shown.
• To prevent leaks, do not install the parts if 5 minutes
or more have elapsed since applying the liquid
gasket. Instead, reapply liquid gasket after removing
the old residue.
• After assembly, wait at least 30 minutes before filling
the engine with oil.
Install the oil case gasket and oil strainer, then tighten
the two bolts (6 × 18 mm) (4).
Apply engine oil to the threads and seating surfaces of
the sixteen bolts (10 × 40 mm) (5).
Install the two dowel pins (6) to the oil case (7), then
tighten the sixteen bolts to the specified torque.
TORQUE: 34 N·m (3.5 kgf·m, 25 lbf·ft)
Apply engine oil to a new O-ring (8) and install it to the
oil level pipe (9).
Install the oil level pipe and oil level gauge (10), then
tighten the bolt (6 × 12 mm) (11).
Install the oil drain plug bolt (12) with a new sealing
washer (13) and tighten it to the specified torque.
TORQUE: 23 N·m (2.3 kgf·m, 17 lbf·ft)
Apply marine grease to the water tube grommet (1)
outer surface and install it to the water tube (2).
Install the water tube with the stopper plate (3) and
tighten the bolt (4).
Install the following:
– Extension case
– Standard rotation type (page 16-12)
– Counter rotation type (page 17-12)
– Gear case
– Standard rotation type (page 16-8)
– Counter rotation type (page 17-8)
Refill the engine oil (page 3-5).
12-8
Upper area:
(3)
(6)
(4)
(5)
(1)
Lower area:
(11)
(9)
(8)
(10)
(3)
(1)
(2)
(7)
(12)
(13)
(3)
(4)
(2)