Figure 2-17 .
Reduced conversion cycle .
2-8. Transfer of Liquid from the Conversion
b. Set the valves as indicated in Figure 2-16 and
Pressure Vessel to the Storage Pressure
start the driving unit. Refer to Table 2-1 for valve
c. Close valves 1, 3, 5, and 10 (fig. 2-16). Open
a. Set the driving unit for manual operation as
valve 4. Open valves 2 and 10. When liquid carbon
follows: Make certain the motor starting switch (fig. 2-
dioxide appears at valve 10, close the valve and engage
9) and the reversing switch are in the OFF position; and
the clutch to the transfer pump.
the power line connected to the trailer. Disengage all
d. Continue to operate the transfer pump until the
countershaft shifters (1, 2, and 3, fig. 2-3). Turn the
conversion pressure vessel is empty, as indicated by the
motor starting switch (fig. 2-9) to the HAND position.
Turn the reversing switch to one of the ON positions
e. Disengage the transfer pump clutch and close
only long enough to observe the rotation of electric
valves 2 and 10.
motor shaft. The shaft should turn counterclockwise
f. Set the unit for automatic operation, and engage
when viewed from the shaft end of the motor. If the
only the refrigeration clutch (3, fig. 2-3). With all the
shaft rotates in the proper direction, return the motor
liquid contained in the storage pressure vessel, the
starting switch to the OFF position, turn the reversing
valves should be in the normal position as indicated in
switch to the proper ON position. The electric motor can
now be manually operated when the motor starting
switch is turned to the HAND position. To stop the
2-9. Filling Both Pressure Vessels With Liquid
electric motor, throw the motor starting switch and the
reversing switch to the OFF position. Then' disengage
a. Set the driving unit for manual operation and
disengage all clutches as follows: The tractor-trailer