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TM 55-8145-221-14&P
Change 1
0006 00-16
OPERATION UNDER USUAL CONDITIONS – Continued
0006 00
CONTINUOUS OPERATION – Continued.
1. Check operation of refrigerated unit (Figure 13):
a. Open control panel door (1) and secure in the upright position.
b. Check the REFRIGERATION TEMPERATURE (2) periodically to be sure it is within 15F (7C) of the
temperature set on the TEMPERATURE CONTROL (3).
c. Check the pressure DISCHARGE PRESSURE gauge (4) periodically to be sure it is between 165 and 250 psi
(1138.5 and 1725 kPa).
d. Check the compound SUCTION PRESSURE gauge (5) periodically to be sure it is between 0 and 15 psi (0 and
103.5 kPa).
NOTE
An occasional flash of bubbles in the sight indicator (SIGHT GLASS) port is normal.
The sight indicator can be viewed looking through the side condenser door.
e. Check the SIGHT GLASS port (6) to be sure it is clear. The center indicator should be green or chartreuse in color.
f. Check oil level (7).
g. Close control panel door (1).
Figure 13. Refrigerated Container, Continuous Operation, Refrigeration Unit
8
1
9
GLASS PORT THROUGH
WHICH REFRIGERANT
MAY BE OBSERVED
CENTER
INDICATOR
BULLS EYE
GLASS PORT THROUGH
WHICH OIL LEVEL OF
COMPRESSOR MAY
BE OBSERVED
BEST OPERATING RANGE
6
7
5
4
2
3
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