1B-34 - MAINTENANCE 90-823225--1 1096
NOTE: Hoses shown removed only to indicate flow.
Do not remove hoses.
72589
b
c
d
e
f
g
a
a - Cover
b - Gasket
c - Spacer
d - Thermostat
e - O-Ring
f - Housing
g - Fill Here
DRAINING SEAWATER SECTION OF CLOSED
COOLING (COOLANT) MODELS
1. MCM (Stern Drive) 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
c. Remove drain plugs (if equipped) from port
and starboard exhaust elbows.
71330
a
a - Drain Plug
d. If equipped with 3 in. (76 mm) or 6 in. (152
mm) risers, remove drain plug as shown from
port and starboard risers.
72574
a
Typical Riser Shown (if equipped)
a - Drain Plug (Removed)
e. Repeatedly clean out drain holes using a stiff
piece of wire. Do this until entire system is
drained.
NOTE: It may be necessary to lift, bend, or lower
hoses to allow water to drain completely when hoses
are disconnected.
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