MAINTENANCE
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 1B-37
3. Using an adapter, connect a hose between the water inlet hose or connector fitting and
a water tap.
75299
a
b
c
a-Inlet Hose
b-Adapter
c-Hose To Water Tap
4. Partially open the water tap, approximately 1/2 maximum capacity. Do NOT use full
water pressure.
5. Place the remote control in NEUTRAL, IDLE speed position, and start the engine.
CAUTION
Do NOT run engine above 1500 rpm when flushing. Suction created by seawater
pickup pump may collapse flushing hose, causing engine to overheat.
6. Operate the engine at IDLE speed in NEUTRAL for 10 minutes, or until discharge water
is clear.
7. Stop the engine.
8. Shut off the water tap.
9. Remove the hose and the adapter from the seawater pump connector fitting.
CAUTION
If boat is in the water, the seacock (water inlet valve), if equipped, must remain
closed until engine is to be re-started, to prevent water from flowing back into the
cooling system and/or the boat. If the boat is not fitted with a seacock, the water inlet
hose must be disconnected and plugged (to prevent water from flowing back into
cooling system and/or boat). As a precautionary measure, attach a tag to the
ignition switch or steering wheel of the boat with the warning: Open seacock or
reconnect water inlet hose before starting engine.
10. Reconnect the water inlet hose.
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