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4-13. Sight Glass
a. Removal.
(1) Remove condenser intake grille. (fig. 3-4).
(2) Release refrigerant charge. (para 4-6).
(3) Refer to figure 4-5 and remove the sight
glass.
b. Installation.
(1) Refer to figure 4-5 and install the sight
glass.
(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).
4-14. Compressor
a. Removal
(1) Remove the condenser intake grille, rear
and side panels. (fig. 3-1, 3-4).
(2) Release the refrigerant charge. (para 4-6).
(3) Refer to figure
4-6 and remove the
compressor.
b. Cleaning, Inspection and Testing.
Note. Disconnect power before performing the following
cleaning, inspection and testing procedures.
(1) Wipe the exterior surface of the com-
pressor with a clean cloth dampened slightly with
an approved cleaning solvent and dry thoroughly.
(2) Inspect for breaks, cracks, leaks, loose or
missing mounting harware or other defects.
(3) Check compressor overload protector for
an open circuit between terminals 1 and 3 with
continuity checker.
(4) Reset pressure switch by depressing reset
button, on top panel of condenser section as
necessary.
(5) Test terminals S, R and C for continuity
with a continuity checker Replace the compressor
if there is an open circuit.
c. Installation.
(1) Install the compressor. (fig. 4-6).
(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 rear and side panels.
(fig. 3-1, 3-4).
4-11
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