Yamaha F225F, Service Manual

Page: 514 / 576

9-35
BRKT
Bracket unit
17. Remove the special service tool
c
.
18. Install the pipe joints
d
, and then tighten
them to the specified torque.
19. After measuring the hydraulic pressure,
connect the PTT motor leads to the
battery terminals to fully extend the PTT
rams.
20. Place the PTT unit in an upright position.
21. Repeat steps 3–5 to check the fluid level.
Bleeding the PTT unit
1. Place the PTT unit in an upright position.
2. Turn the manual valve
a
clockwise to
close it.
3. Check the fluid level. See steps 3–5 in
“Checking the hydraulic pressure” (9-33).
4. Connect the PTT motor leads to the
battery terminals to fully retract the PTT
rams.
5. Reverse the PTT motor leads between
the battery terminals to fully extend the
PTT rams.
TIP:
If the PTT rams do not move up and down
easily, push and pull on the PTT rams to
assist operation.
Ram PTT motor lead
Battery
terminal
Down
Light green (Lg)
Sky blue (Sb)
Pipe joint
d
:
15 N·m (1.5 kgf·m, 11.1 ft·lb)
Lg Sb
a
Manual valve
a
:
2 N·m (0.2 kgf·m, 1.5 ft·lb)
Ram PTT motor lead
Battery
terminal
Down
Light green (Lg)
Sky blue (Sb)
Up
Sky blue (Sb)
Light green (Lg)
Lg Sb
Sb Lg