Bleeding Power Trim Unit; Power Trim System Installation - Mercury 40 Service Manual

Bleeding Power Trim Unit

1. Secure power trim unit in soft jawed vise.
2. Remove reservoir plug. Add power trim fluid until it is even with the bottom of the fill hole.
Reinstall plug.
3. Close the manual release valve. (Turn full clockwise.)
a -
4. Cycle system full up and down 3 times or until fluid level remains at proper level.
Connect power trim wire to 12 volt source.
5. Recheck fluid level with rod fully extended, add fluid if required and repeat cycle until
fluid level stays even with the bottom of the fill hole.

Power Trim System Installation

1. Lubricate lower pivot pin, mounting holes and bushings with 2-4-C Marine Lubricant.
2. Install lower pivot pin bushings into the clamp brackets and trim unit.
2-4-C w/Teflon (92-850736A1)
95
a -
b -
90-828631R3 MARCH 1999
Reservoir Plug
Direction
Up
Blue + Positive
Green – Negative
95
Bushing (2) Install into each Clamp Bracket
Bushing (2) Install into each side of Trim Unit
a a
Down
Blue – Negative
Green + Positive
a a
b
POWER TRIM
Page 5B-51