Power Trim And Tilt Unit; Checking The Hydraulic Pressure - Yamaha Z300A Supplementary Service Manual

BRKT

Power trim and tilt unit

Checking the hydraulic pressure

1. Check the hydraulic pressure. Check the
internal parts if out of specification.
2. Fully extend the power trim and tilt rams.
3. Loosen the pipe joints 1, and then
remove the pipe joint a.
4. Install the oil pressure gauge 2.
NOTE:
Wrap the removed pipe joint a in a rag.
PTT oil pressure gauge assembly:
90890-06580
5. Connect the PTT motor leads to the bat-
tery terminals to retract the trim ram, and
then measure the hydraulic pressure.
69
Bracket unit
7
Ram
Down
Hydraulic pressure (down):
4.7–6.7 MPa (47–67 kgf/cm
6. Reverse the PTT motor leads between
the battery terminals to fully extend the
trim and tilt rams.
Ram
Up
7. Remove the oil pressure gauge 2.
8. Install the pipe joint a, and then tighten
the pipe joints to the specified torque.
Pipe joint 1:
15 N·m (1.5 kgf·m, 11.1 ft·lb)
9. Connect the PTT motor leads to the bat-
tery terminals to fully retract the trim and
tilt rams.
10. Loosen the pipe joints 3, and then
remove the pipe joint b.
11. Install the oil pressure gauge 2.
PTT motor lead
Light green (Lg)
Sky blue (Sb)
PTT motor lead
Sky blue (Sb)
Light green (Lg)
Battery
terminal
+
-
2
)
Battery
terminal
+
-
6D03F1X