Yamaha F40BMHD Service Manual page 410

BRKT
TILT CYLINDER ASSEMBLY
(6) Reverse the Power trim and tilt motor
leads between the battery terminals
when the tilt ram fully extends and then
reverse them again when it fully com-
presses. Repeat this procedure so the
tilt ram goes up and down several
times.
(7) Check the fluid level again, add fluid if
necessary, and then extend and com-
press the tilt ram several times as
explained above.
(8) Repeat these steps until the fluid
remains at the proper level.
2. Check:
• Power trim and tilt unit operation
Rough operation → Bleed.
7-30
E