Yamaha F100B - Page 257

60C5D11
7-50
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5. Connect the PTT motor leads to the bat-
tery terminals to fully retract the trim and
tilt rams.
6. Reverse the PTT motor leads between
the battery terminals to fully extend the
trim and tilt rams, and then measure the
hydraulic pressure.
7. After measuring the hydraulic pressure,
remove the special tools and quickly
attach the down relief fitting
5
.
8. Reverse the PTT motor leads between
the battery terminals to fully retract the
trim and tilt rams, and then measure the
hydraulic pressure.
9. After measuring the hydraulic pressure,
connect the PTT motor leads to the bat-
tery terminals to fully extend the trim and
tilt rams.
Ram PTT motor lead
Battery
terminal
Up
Blue (L)
+
Green (G)
-
Down
Green (G)
+
Blue (L)
-
Hydraulic pressure (up):
7.9–9.8 MPa (80–100 kgf/cm
2
)
Hydraulic pressure gauge
4
:
90890-06776
Down relief fitting
5
: 90890-06774
T
R
.
.
Hydraulic pressure gauge:
9 N·m (0.9 kgf·m, 6.5 ft·lb)
Down relief fitting:
4 N·m (0.4 kgf·m, 2.9 ft·lb)
Hydraulic pressure (down):
5.9–8.8 MPa (60–90 kgf/cm
2
)
Bleeding the power trim and tilt unit (F100B)