SEAWATER COOLED MODELS
SERVICE MANUAL NUMBER 23
90-861326--1 MARCH 1999 Page 6A-27
Auxiliary Hot Water Heater Installation
IMPORTANT: When connecting a cabin heater or hot water heater, certain require-
ments must be met:
• Supply hose (from engine to heater) and return hose (from heater to engine)
MUST NOT EXCEED 5/8 in. (15.8 mm) I.D. (inside diameter).
• Make heater connections ONLY at locations described in the following
instructions.
• Check complete system for leaks after heater is connected into cooling
system.
• Check for overheating condition (of engine) after heater is connected.
71758
a
b
Supply Hose Connection
a-Thermostat Housing
b-Hose Connector
75480
a
Return Hose Connection
a-Location For Hot Water Return
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