Installation - Mercury 150 EFI Service Manual

Installation

1. Paint any exposed metal surfaces to prevent corrosion.
2. Apply Loctite 271 to screws. Install trim system, starboard transom bracket, and tilt
tube nut.
3. Use a 12 volt power source to extend tilt ram up to align upper swivel shaft hole and
end of ram. Connect trim motor wires [BLUE wire to POSITIVE (+), BLACK wire to
NEGATIVE (–)]. If ram extends too far, retract ram by connecting GREEN wire to POS-
ITIVE (+).
4. Install Upper Swivel Pin with slotted end to left (port) side of engine.
a -
b -
c -
d -
e -
IMPORTANT: Cross pin should not be reused. Install a new pin.
5. Position slot on end of swivel shaft in line with hole in tilt ram end. Insert a punch into
tilt ram hole to align cross hole in upper swivel shaft. Tap new cross pin in until flush.
a -
b -
c -
d -
90-883728 JULY 2001
Screw (6) Torque to 40 lb. ft. (54.0 N·m)
Lockwasher (6) Install one per screw
Tilt Tube Nut
Upper Swivel Pin
Slotted end
f - Cross hole (in line with slotted end)
c
c
b
b
Upper Swivel Shaft (Slot is in line with cross hole)
Chamfered End of Hole (Faces away from transom)
Retaining Pin
Tilt Ram End
c
c
e
b
a b
51375
d
d
POWER TRIM
a
d
f
c
a
a
Page 5B-21