Figure 3-5. - Compressor Assembly, Model 4211-1 Carbon Dioxide Transfer Unit.

Compressor Assembly, Model 4211-1 Carbon Dioxide Transfer Unit

This unit, shown in figure 3-5, is functionally similar to the compressor described for the 4211 unit. The lower section of the compressor

Figure 3-6. - Running Gear Assembly.

consists of a cylinder body (6), plunger (7), molded metallic packing (8), spacer (10), and plunger guide (9). The upper section of the unit consists of a cylinder head (3) with an inlet and outlet port, an inlet valve check (11), an outlet valve check (4), and a discharge valve cap (l). A safety disc and washer located in the cylinder head behind the safety disc plug (13) releases the carbon dioxide from the compressor when the pressure exceeds the 2650- to 3000-psi range.

Running Gear Assembly

The running gear assembly, shown in figure 3-6, consists of the crankcase (4), crosshead guide (l), crosshead (2), connecting rod (3), and the