Installing The Trim Ram; Installing The Ptt Motor - Yamaha 55DEHD Service Manual

Installing the trim ram

cC
Do not use a rag when installing the PTT
unit as dust and particles on the PTT unit
components can lead to poor perfor-
mance.
1. Hold the PTT body 1 in a vice using alu-
minum plates a on both sides.
a
2. Fill the trim cylinders with the recom-
mended fluid to the correct level b as
shown.
b
3. Install the trim ram assemblies into the
trim cylinder, and then tighten the trim
cylinder end screws 2 to the specified
torque.
2
2
6885J11
1
a
68871190
b
68871200
3
68871210
Tilt cylinder and trim cylinder
w
Do not push the trim rams down while
installing them into the trim cylinders.
Otherwise, the PTT fluid may spurt out
from the unit.
Trim and tilt wrench 3:
90890-06587
Trim cylinder end screw 2:
160 N·m (16 kgf·m, 118 ft·lb)

Installing the PTT motor

1. Install the filter 1, spring 2 and joint 3
into the gear pump.
3
2
1
2. Fill the pump housing with the recom-
mended fluid to the correct level a as
shown.
a
3. Remove all of the air bubbles with a
syringe or suitable tool.
NOTE:
Turn the joint with a screwdriver, and then
remove any air between the pump gear teeth.
1
2
3
4
5
68871220
6
7
8
68871230
9
7-60