TM 5-4310-379-14
5-8.
Thermostat and Housing Assembly.
This task covers:
Repair
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit (NSN 5180-00-177-7033)
Thermostat and housing assembly removed
Torch Outfit, Cutting and Welding
(para. 3-21).
(NSN 3433-00-026-4718)
Wrench, Torque (NSN 5120-00-554-7292)
Materials/Parts
Thermostat Housing Gasket
Solvent, Dry Cleaning (Item 23, Appendix D)
Rags, Wiping (Item 21, Appendix D)
Repair. (figure 5-2)
(1)
Remove two screws (1) and lockwashers (2) and remove upper thermostat housing (3), gasket (4), and
thermostat (5).
WARNING
Dry cleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and property. Avoid
repeated and prolonged skin contact. Do not use near open flame or excessive heat. Flash point of
solvent is 100-138°F (38-60°C).
(2)
Clean all items with dry cleaning solvent and dry thoroughly.
(3)
Inspect thermostat (5) and replace if cracked, bent, or otherwise damaged.
(4)
Inspect upper thermostat housing (3) and lower thermostat housing (6) and repair minor cracks by welding
or replace a damaged item.
(5)
Ensure all gasket surfaces are clean and old gasket material removed.
(6)
Install thermostat (5), gasket (4), and upper thermostat housing (3) and secure with two screws (1) and
lockwashers (2). Torque screws to 13-17 Ib-ft (18-23 Nm).
5-8
