Yamaha F115A - Measuring the Hydraulic Pressure

7-38
E
BRKT
RESERVOIR AND POWER TRIM AND TILT MOTOR
MEASURING THE HYDRAULIC
PRESSURE
Check:
• Hydraulic pressure
Out of specification → Repair.
NOTE:
Before measuring the hydraulic pressure,
bleed the power trim and tilt unit.
Measuring steps
(1) Fully tilt up the power trim and tilt ram
assemblies.
(2) Remove the circlip 1.
(3) Remove the manual valve 2 and
install the up-relief valve attachment
and hydraulic pressure gauge and
tighten them to the specified torque.
NOTE:
Remove the manual valve and then quickly
attach the special tools before any fluid
comes out.
Hydraulic pressure
(with the power trim and tilt ram
assemblies fully extended)
9.8 - 11.8 MPa
(100 - 120 kg/cm
2
)
(with the power trim and tilt ram
assemblies fully compressed)
5.9 - 8.8 MPa (60 - 90 kg/cm
2
)
Up-relief valve attachment ...... 3
90890-06773
Hydraulic pressure gauge ........ 4
90890-06776
T
R
.
.
Hydraulic pressure gauge
9 Nm (0.9 m • kgf, 6.5 ft • lb)
Up-relief valve attachment
4 Nm (0.4 m • kgf, 2.9 ft • lb)
7250
7260