SELVA MARINE Blue Whale 250 EFI Service Manual page 243

È U-transom model
Lower case mounting bolt (nut) 2:
47 N·m (4.7 kgf·m, 34.7 ft·lb)
Trim tab bolt 4:
42 N·m (4.2 kgf·m, 31.0 ft·lb)
6. Install the propeller and propeller nut,
and then tighten the nut temporary. Place
a block of wood between the anti-cavita-
tion plate and propeller to keep the pro-
peller from turning, and then tighten the
nut to the specified torque.
6P23H11
Drive shaft and lower case (counter rotation model)
WARNING
• Do not hold the propeller with your
hands when loosening or tightening it.
• Be sure to disconnect the battery cables
from the battery and the clip from the
engine stop lanyard switch.
• Put a block of wood between the anti-
cavitation plate and propeller to keep
the propeller from turning.
NOTE:
If the grooves in the propeller nut 5 do not
align with the cotter pin hole, tighten the nut
until they are aligned.
Propeller nut 5:
54 N·m (5.4 kgf·m, 39.8 ft·lb)
7. Fill the gear oil to the correct level.
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