Section 5 - Maintenance
90-866938081 MAY 2009 Page 113
5. Remove the hose from the seawater inlet seacock. Drain the seawater.
Typical connection
a - Inlet seacock
b - Dual hose clamps
c - Hose
6. Remove the seawater hose from the outlet end of the primary cooler for the hydraulic
oil. Drain the seawater.
7. Remove the drain screw on the seacock. Drain the seawater.
a - Dual hose clamps
b - Primary cooler
c - Seawater hose
d - Drain screw
8. On models with a drop box and engine mounted transmission oil cooler, remove the
two anode plugs and drain the seawater.
a - Oil cooler
b - Anode (drain) plugs