Section 6 - Storage; Draining The Sterndrive - MerCruiser Axius 350 MAG User Manual

Section 6 - Storage

3. On models with a seawater pickup pump, remove the two blue drain plugs. If the
seawater pickup pump does not have blue drain plugs, or you are unable to access
them, loosen the clamps and remove both hoses.
4. Crank the engine over slightly with starter motor to purge any water trapped in the
seawater pickup pump. Do not allow the engine to start.
5. After the cooling system has been drained completely, install the drain plugs, reconnect
hoses, and tighten all hose clamps securely.

Draining the Sterndrive

NOTE: This procedure is needed only for salty, brackish, mineral laden, or polluted water
applications; and for freezing temperatures or extended storage.
1. Insert a small wire repeatedly to make sure that vent holes, water drain holes, and
passages are unobstructed and open.
d
a
The universal joint bellows may develop a set when stored in a raised or up position,
causing the bellows to fail when returned to service and allowing water to enter the boat.
Store the sterndrive in the full down position.
2. Lower the sterndrive unit to the full down/in position.
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b
a - Hose clamps
e
b
Sterndrive Water Drain Holes
a - Speedometer pitot tube
b - Trim tab cavity vent hole
c - Trim tab cavity drain passage
a
b - Blue drain plugs
d - Gear housing water drain hole (1
each ‑ port and starboard)
e - Gear housing cavity vent hole
f - Gear housing cavity drain hole
NOTICE
90-899883234 JANUARY 2008
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f
c
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