CLOSED COOLING MODELS - 6B-3190-823225--1 1096
5. If equipped with 3 in. (76 mm) or 6 in. (152 mm)
risers, remove drain plug as shown from port and
starboard risers (if equipped).
73175
a
a - Drain Plug (Removed)
6. Repeatedly clean out drain holes using a stiff
piece of wire. Do this until entire system is
drained.
NOTE: It may be necessary to lift, bend, or lower
hoses to allow water to drain completely when hoses
are disconnected.
7. Remove the power steering fluid cooler seawater
hose, as shown.
72588
a
Port Side Mounted Fluid Cooler
a - Hose, Seawater Pump to Cover
74752
a
b
Rear Mounted Fluid Cooler
a - Hose, From Seawater Pump (Bravo) Or From Transom
Assembly (Alpha)
8. On Engines Equipped with a Belt Driven Sea-
water Pickup Pump: Remove seawater inlet
hose, as shown.
72532
b
a
a - Seawater Pickup Pump
b - Seawater Inlet Host
9. Crank engine over SLIGHTLY with starter motor
to purge any water trapped in seawater pickup
pump. DO NOT ALLOW ENGINE TO START.
!
CAUTION
If boat is in the water or is to remain in the water,
seacock (if so equipped) must remain closed un-
til engine is to be restarted, to prevent contami-
nated water from flowing back into cooling sys-
tem. If boat is not fitted with a seacock, water inlet
hose must be left disconnected and plugged, to
prevent contaminated water from flowing into
cooling system and/or boat. As a precautionary
measure, attach a tag to the ignition switch or
steering wheel with the warning that the seacock
must be opened or the water inlet hose recon-
nected prior to starting the engine.
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