TM 9-4110-258-13
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.
d. Check the sight indicator (8) (SIGHT GLASS) port to be sure it is clear. The center indicator should be green or
chartreuse in color.
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 compressor sight glass port (9) to be sure the oil is clear and the level is between and up the port.
2.7
SHUTDOWN PROCEDURES.
(See fig. 24.)
NOTE
If the refrigeration unit is to be left off for several days, it must be pumped down. Notify Unit
Maintenance.
a. Place the toggle switch (4) (START/RUN, OFF) handle in the OFF position.
b. When the refrigeration unit stops running, place the circuit breaker (3) handle in the OFF position.
c. Notify unit maintenance if the refrigeration unit is to be put into administrative storage for several days.
2.8
DECALS AND INSTRUCTION PLATES.
Decals and instruction plates are illustrated in the following figure.
2-21