b. Cleaning and Inspections.
4-52. Thermostat, Thermostat Housing and Related
(1) Clean all parts and dry thoroughly.
(2) Inspect all parts for defects.
c. Installation. Install coolant lines and fittings as
(2) Remove deck plate over engine.
(3) Remove carrier engine thermostat,
thermostat housing, and related parts as illustrated in
b. Cleaning. Clean all parts and dry thoroughly.
container and observe its closing action. It should close
c. Inspection. Inspect all parts for damage.
completely when cooled.
e. Replacement. Replace damaged or defective
d. Test. Test thermostat for proper operation by
suspending it and a thermometer in a container of water.
f. Installation. Install the thermostat, thermostat
Heat the container and monitor the temperature on the
housing, and related parts as illustrated in figure 4-45
thermostat. The thermostat should start to open when
temperature reaches 165 F. and be completely open at