PREDELIVERY PREPARATION AND STORAGE SECTION - 9
Page 20 / 24 90-899883183 DECEMBER 2007
5. Ensure that the speedometer pitot hole, gear housing water vent and drain holes, and trim tab
cavity vent and drain holes are open and unobstructed.
a
c
d
b
7329
a - Gear housing vent holes
b - Trim tab cavity drain holes
c - Gear housing drain hole
d - Speedometer pitot hole
6. Crank the engine over slightly with the starter motor to purge any water trapped in seawater
pickup pump. Do not allow the engine to start.
7. After the cooling system has drained completely, apply sealant to the aft heat exchanger plug.
a - Aft heat exchanger drain plug
Tube Ref No. Description Where Used Part No.
19
Perfect Seal Aft heat exchanger plug 92-34227 1
8. Prior to launching the boat or starting the engine, install the drain plug, reconnect the hoses,
and tighten all hose clamps securely.
9. If the boat was drained in the water, open the seacock (if equipped) or unplug and reconnect
the water inlet hose prior to operating the engine.
Clearing Clogged Blue Drain Hoses
!
CAUTION
Disconnecting the blue drain hoses can cause serious burns due to hot water. Check all hose
connections before operating the engine and never disconnect the hoses until the engine has
had suffient time to cool.
1. If the engine can be started proceed to Step 2. If the engine cannot be started, proceed to
Step 8.
2. If one hose is flowing freely, reconnect it to the bracket.
3. Ensure the clogged blue drain hose is in the correct position below its connection point on the
block.
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