THERMOSTAT - REPLACE.

TM 5-1730-245-14

4.22 THERMOSTAT - REPLACE.

THIS TASK CONSISTS OF: a. Removal

Installation

INITIAL SETUP

Tools:

Equipment Condition:

Toolkit, General Mechanics (item 5, Section III, Appendix B). Side panels (8, fig 1-2) removed.

Cabinet top cover removed. Refer to 4.16.

Material/Parts Required:

Battery disconnected. Refer to 4.19.

Gasket, thermostat housing, item 1, Appendix I.

a. Removal. Refer to figure 4-13.

1) Remove the two cover retaining bolts (1), washers (9), cover (2), thermostat housing gasket (3) and

thermostat (4). Discard thermostat housing gasket.

b. Installation. Refer to figure 4-13.

1) Replace the thermostat (4) into the housing (8) taking care to ensure the jiggle pin (5) moves freely

and is located towards the radiator.

2) Replace the thermostat housing gasket (3), cover (2), cover retaining bolts (1), and washers (9).

3) Fill the system with clean fresh water and coolant/antifreeze concentrate to a 40% concentration. See

Figure 4-13. Thermostat.

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