Mercury MerCruiser Service Manual page 59

6. Pull the lever on the air pump (vertical) to lock the pump onto the fitting.
c
b
7. Pump air into the system until both green indicators extend out of the actuator assembly.
8. Check to ensure water drains out of the distribution housing.
IMPORTANT: If water does not drain from the distribution housing when both green indicators are extended, remove the
blue plug on the distribution housing.
a
9. Check to ensure water drains out of the seawater pump housing.
IMPORTANT: If water does not drain from the seawater pump housing when both green indicators are extended, remove
the blue plugs on the seawater pump housing.
a
90-8M0099748 eng DECEMBER 2015
e
a
a - Distribution housing water drain
b - Blue plug
b
55101
a -
b -
b
56033
a -
b -
c -
d -
e -
d
8293
Seawater pump housing water drain
Blue plugs
© 2016 Mercury Marine
Maintenance
Actuator fitting
Green indicators
Manual release valve
Air pump
Lever (locking)
Page 1C-43