1B-36 - MAINTENANCE 90-823225--1 1096
(2) On Alpha Drive Equipped Models: In-
sert a small wire (repeatedly) to make
sure that vent holes and water drain holes
and passages (as shown) are unob-
structed and open.
71216
70134
b
c
d
e
f
a
c
f
a - Speedometer Pitot Tube
b - Trim Tab Cavity Vent Tube
c - Trim Tab Cavity Drain Passage
d - Gear Housing Water Drain Hole (One Each - Port and
Starboard)
e - Gear Housing Cavity Vent Hole
f - Gear Housing Cavity Drain Hole
i. Crank engine over slightly with starter motor
to purge any water trapped in seawater pick-
up 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 water from
flowing back into cooling system. If boat is not
fitted with a seacock, seawater inlet hose must
remain disconnected and plugged, to prevent
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
seawater inlet hose reconnected prior to starting
the engine.
j. After seawater section of cooling system has
been drained completely, coat threads of
drain plugs with Quicksilver Perfect Seal and
reinstall. Tighten drain plugs securely. Re-
connect hoses and tighten all hose clamps
securely. If NOT equipped with seacock:
seawater inlet hose must remain discon-
nected and plugged until engine is to be re-
started.
2. MIE (Inboard) Models
NOTICE
Refer to “Cold Weather or Extended
Storage,” “Precautions,” in this
section, BEFORE proceeding.
a. Engine must be as level as possible to ensure
complete draining of cooling system.
b. Remove drain plug from heat exchanger.
70583
a
a - Heat Exchanger
b - Drain Plug
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