TM 9-4110-254-14
4-7.
PRELIMINARY SERVICING OF EQUIPMENT.
a. Open both side doors.
CAUTION
Using excessive force when opening or closing valves can cause damage to the valve seats.
b. Fully open both stop valves (1, fig. 4-4) and (2).
Figure 4-4. Refrigeration Valve Settings for Normal Operation
4-6