FIGURE 2-14. Thermostat Housing Group

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Replace/Repair Thermostat Housing Group. (FIGURE 2-14)

TM-55-1905-223-24-5 Bowthruster Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

INSPECTION

TM 55-1905-223-24-5

(5)

Loosen the four capscrews (25) and remove the thermostat housing (19) and

thermostat (8). Discard the gasket (6) and seal (7).

Removal of Housing and Support Assembly.

(1)

Remove cooling system pressure cap, located on the external expansion tank.

(2)

Drain cooling system. Refer to PMCS Table 2-1, Item 21.

(3)

Loosen hose clamp (20) and disconnect the water bypass tube (22).

(4)

Loosen hose clamp (2) and disconnect the outlet hose (1).

(5)

Loosen hose clamp (10). Disconnect hose (9) from the elbow (11) on the thermostat

housing support (17). Remove the elbow (11) from the support (17).

(6)

Loosen four capscrews (15) holding the thermostat housing support (17).

(7)

Remove capscrews (15), the support (17), and housing (19) assembly. Discard the

gasket (18).

(8)

Remove two capscrews (3) holding the water outlet connection (4) and remove the

connection (4) and gasket (5).

(9)

Loosen four capscrews (25) holding the thermostat housing (19).

(10) Remove thermostat (8) from housing (19). Discard gasket (6).

(11) Remove seal (7) from thermostat housing (19).

FIGURE 2-14. Thermostat Housing Group .

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