Bleeding The Ptt Unit - Yamaha 250GETO Service Manual

3. Install the tilt piston assembly into the tilt
cylinder, and then tighten the tilt cylinder
end screw 1 to the specified torque.
NOTE:
Place the tilt cylinder end screw at the bottom
of the tilt ram and install the tilt piston assem-
bly into the tilt cylinder.
Cylinder-end screw wrench:
90890-06568
Tilt cylinder end screw 1:
90 N·m (9.0 kgf·m, 66.4 ft·lb)

Bleeding the PTT unit

1. Tighten the manual valve 1 by turning it
clockwise.
Manual valve 1:
2 N·m (0.2 kgf·m, 1.5 ft·lb)
2. Place the PTT unit in an upright position.
3. Remove the reservoir cap, and then
check the fluid level in the reservoir.
NOTE:
The fluid level should be at the brim of the
filler hole.
6S35H11
1
6S370480
1
6S370490
Tilt cylinder and trim cylinder
4. If fluid is below the correct level, add fluid
of the recommended type.
5. Install the reservoir cap, and then tighten
it to the specified torque.
Reservoir cap:
7 N·m (0.7 kgf·m, 5.2 ft·lb)
6. Connect the PTT motor leads 2 to the
battery terminals to fully retract the rams.
7. Reverse the PTT motor leads between
the battery terminals to fully extend the
rams.
2
2
Ram PTT motor lead
Sky blue (Sb)
Up
Light green (Lg)
Light green (Lg)
Down
Sky blue (Sb)
NOTE:
9 Repeat this procedure so that the rams go
up and down 4 or 5 times (be sure to wait a
few seconds before switching the leads).
9 If the rams do not move up and down easi-
ly, push and pull on the rams to assist oper-
ation.
1
2
3
4
5
6
6S370500
7
Battery
terminal
+
8
-
+
-
9
7-46