Yamaha 70B Manuel D'utilisation page 160

EML02011
CHECKING POWER TRIM AND TILT
SYSTEM
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8 Never get under the lower unit while it
is tilted, even when the tilt-support
lever is locked. Severe injury could
occur if the outboard accidentally falls.
8 Make sure no one is under the out-
board before performing this test.
1) Check the power trim and tilt unit for
any sign of oil leaks.
2) Operate each of the power trim and
tilt switches on remote control and
engine bottom cowling (If equipped)
to check that all switches work.
3) Tilt up the motor and check that the
tilt rod and trim rods are pushed out
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completely.
4) Use the tilt-support lever to lock the
motor in the UP position. Operate the
tilt down switch briefly so the motor
is supported the tilt-support lever.
5) Check that the tilt rod and trim rods
are free of corrosion or other flaws.
6) Activate the tilt-down switch until the
trim rods have gone completely into
the cylinders.
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7) Activate the trim-up switch until the
tilt rod is fully extended. Unlock the
tilt-support lever.
8) Operate the motor to tilt down. Check
that the tilt rod and trim rods operate
smoothly.
4-20
GB