Mercury 25 EFI Service Manual page 391

3. Install the relief valve components into the power trim housing.
b
g f e
4. Assemble the pump to the base with three internal hex screws.
5. Install the pump/motor coupling into the pump.
b
Description
Pump mounting screws
6. Align the pump shaft tang with the slot in the pump/motor coupler.
7. Attach the motor assembly to the power trim pump and cylinder assembly.
NOTE: Position the trim motor assembly with the wire harness next to the trim cylinder.
90-8M0105568 eng MARCH 2016
d c
a
a
a - Power trim pump
b - Pump assembly mounting screws (4 mm internal hex)
c - Pump/motor coupling
b
c
10961
© 2016 Mercury Marine
Power Trim
a - O‑ring
b - Relief valve assembly
c - O‑ring
d - Valve seat
e - Ball
f - Spring guide
g - Spring
10965
Nm lb. in.
5.2 46
Page 5B-29
lb. ft.