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CA824
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70564
CA825
Flushing Cooling System
CA827
To prevent silt and/or salt buildup in cooling system, flush with freshwater after each use and prior to storage.
If flushing cooling system with boat in water, raise drive unit to TRAILER position, install flushing attachment and
lower drive unit to full DOWN/IN position.
If flushing cooling system with boat out of water, remove propeller before proceeding. If propeller is not removed
observe the following precaution.
WARNING
When flushing, be certain the area around propeller is clear, and no person (or animal) is standing
nearby. To avoid possible injury, remove propeller.
1 Install Quicksilver flushing attachment (or equivalent) over water intake openings in gear housing.
2 Connect hose between flushing attachment and water source valve.
3 With drive unit in normal operating position, partially open water source valve (about 1/2 maximum).
4 Place drive in NEUTRAL, idle speed position and start engine.
CAUTION
Avoid possible engine damage.
• Do NOT run engine continuously at idle rpm.
• Do NOT run engine above 1500 rpm.
5 Slowly advance throttle until engine reaches 1300 rpm (+/– 100 rpm).
CAUTION
Watch temperature gauge on dash to ensure that engine does not overheat.
6 Operate engine with drive in NEUTRAL, for about 10 minutes or until discharge water is clear.
7 Slowly return throttle to idle speed position.
8 Stop engine
9 Shut off water and remove flushing attachment.
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