Propulsion engines having domestic hot water heaters plumbed to the
eng ine' s cooling system and the domestic water heater is higher than
the engine manifold,
require the use of our metal Remote Expansion
Tank Kit
i24l77~
then the plastic coolant recovery tank should not be
used, and the hose attachment fitting on the engine manifold should be
removed and plugged (1/8 N.P.T. Plug).
The remote expansion tank serves the engine cooling system basically
in the same manner as the plastic coolant recovery tank.
On a cold
engine, the tank should be kept filled between 1/4 and 1/2 full.
FUNCTION OF MANIFOLD PRESSURE CAP
From Coolant Tank
COOLANT RETRACTION
to Coolant Tank
COOLANT EXPANSION.
Coolant Recovery Tank
\
. 1
Approximate level
\ / ~ Ii
RECOVERY TANK CONNECTED TO ENGINE MANIFOLD
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