Purging Power Trim Unit; Power Trim Unit Installation - Mercury 45 Jet 50-55 Service Manual

Purging Power Trim Unit

Manual release valve must be in full closed posi-
tion during power trim purging and operation.
1. Secure power trim unit in soft jawed vise.
2. Remove fill cap (a). Add Quicksilver Power Trim
and Steering Fluid (92-90100A12) or Automatic
Transmission Fluid (ATF) Type F, FA or Dexron II
up to threads of reservoir. Install cap (a).
3. Using a 12 volt power supply connect positive
lead to green wire, negative lead to blue wire and
drive trim rod to the down position. Connect posi-
tive lead to blue wire and negative lead to green
wire and drive trim rod to the up position. Recheck
fluid level, add fluid as required and repeat cycle
until fluid level remains at lower portion of
threads.
5D-26 - MID-SECTION
a
52029

Power Trim Unit Installation

1. Apply Special Lubricant 101 (92-13872A1) to
lower pivot pin bore and pivot pin surface.
2. Start lower pivot pin into pivot pin bore and posi-
tion lower cross pin (RETAINED) in its respective
hole.
a - Lower Pivot Pin
b - Lower Dowel Pin
3. Position trim cylinder assembly (BOTTOM
FIRST) between clamp brackets and route trim
pump electrical harness through access hole in
starboard clamp bracket.
a - Trim Cylinder Assembly
51148
51195
90-817643R1 DECEMBER 1996