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4-17. Expansion Valve
a. Removal.
(1) Remove the evaporator rear and right side
panels. (fig. 3-1).
(2) Remove the condenser intake grille. (fig.
3-4).
(3) Release the refrigerant charge. (para 4-6).
(4) Refer to figure 4-9 and remove the ex-
pansion valve and thermal bulb.
b. Cleaning and Inspection.
(1) Wipe the exterior surface with a clean
cloth slightly dampened with an
solvent and dry thoroughly.
(2) Inspect
for breaks,
approved cleaning
cracks, damaged
threaded area, corrosion, evidence of leaks or other
defects.
(3) Replace a damaged expansion valve f
thermal bulb.
c. Installation.
(1) Install the expansion valve and thermal
bulb. (fig. 4-9).
(2) Check for refrigerant leaks. (para 4-7).
(3) Evacuate the refrigerant system. (para 4-
8).
(4) Charge the refrigerant system. (para 4-9).
(5) Install the condenser intake grille. (fig. 3-
4).
(6) Install the evaporator rear and right side
panels, (fig. 3-1).
Figure 4-9. Expansion valve and thermal bulb removal and installation.
4-16
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