FIGURE 2-14. Thermostat Seal Replacement.

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REPLACEMENT - continued

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

Replace/Repair Air Cleaner

TM 55-1905-223-24-1

(3) Position thermostat gasket (11) and thermostat housing (17) to thermostat housing support

(18).

(4) Install six lockwashers (14) and hexagon head capscrews (15). Tighten capscrews to 30-35

ft-lb (41-47 N m) alternately and evenly.

Refill coolant system (TM 55-1905-223-10).

Start engine (TM 55-1905-223-10). Check for leaks.

Shut down engine after it reaches operating temperature. Check coolant leel. Add coolant as

necessary.

FIGURE 2-14. Thermostat Seal Replacement.

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