Figure 54. Sight glass, removal and installation.
(1) Refer to figure 3-4 and remove the top
(2) Refer to figure 5-11 and remove the
four screws attaching the high-and low-pressure
cutout switch enclosure to the casing. Swing en-
closure upward to allow access to solenoid valve.
Caution: When swinging enclosure up be
especially careful not to kink or pinch the high.
and low-pressure cutout switch capillary tubes
extending from the enclosure.
(3) Start the air conditioner (para 2-8). In
the bypass mode of operation of tubing from the
discharge side of valve (as indicated by arrow on
valve body ) should become warm immediately. If
not, stop the unit and check the electrical connec-
tion and solenoid valve coil (para 5-14). If the
valve fails to click upon start of the bypass mode