TM 5-4310-379-14
3-21. Thermostat and Housing Assembly (Cont).
c.
Repair. (figure 3-15)
(1)
Open pet cock (1) and drain coolant into suitable container and close pet cock (1).
(2)
Remove two screws (2) and lockwashers (3) and remove upper housing (4) gasket (5) and thermostat (6).
(3)
Ensure gasket surfaces are clean and old gasket material is removed.
(4)
Install thermostat (6), gasket (5), and upper housing (4) and secure with two screws (2) and lockwashers
(3). Torque screws to 13-17 Ib-ft (18-23 Nm).
(5) Refill radiator coolant.
3-50
