Bleeding Power Trim Unit; Installation Of Power Trim System - Mercury 45 Jet 50-55 Service Manual

Bleeding Power Trim Unit

1. Secure power trim unit in soft jawed vise.
2. Add power trim fluid until even with the bottom of
the fill hole. Reinstall plug.
3. Close the manual release valve. (Turn full clock-
wise).
a - Reservoir Plug/Fill Hole
b - Manual Release Valve
4. Using a 12 volt power supply, connect the positive
lead to (blue) trim motor wire and negative lead to
(green) trim motor wire and drive shock rod to the
up position. Repeat for three times.
5. Connect the positive lead to the (green) trim mo-
tor wire, and the negative lead to the (blue) trim
motor wire and drive the shock rod to the down
position.
6. Recheck fluid level, add fluid if required and re-
peat cycle until fluid level stays even with the bot-
tom of the fill hole.
90-817643R1 DECEMBER 1996
Installation of Power Trim
System
1. Lubricate lower pivot pin, mounting holes with
2-4-C Marine Lubricant.
2. Start lower pivot pin into pivot pin bore and posi-
tion lower dowel pin (Retained) in its respective
hole.
a
b
a
55263
a - Lower Pivot Pin
b - Lower Dowel Pin
3. Position trim cylinder assembly (Bottom First) be-
tween clamp brackets.
a
a - Trim Cylinder Assembly
b
51148
55467
MID-SECTION - 5E-43