After-Charging Procedure.

Pressure hose

High-pressure sphere valve

3 High-pressure sphere

Figure 10. M9 tank group.

(5) During charging, check the pressure gage to

NOTE

make sure that the pressure is increasing at a uniform

There are four models of the AN-M4

rate.

compressor.

Refer to applicable

(6) When the high-pressure sphere has been

technical manual (appendix) for the

charged to a pressure of 2,000 psi, close the high-

type of compressor being used.

pressure sphere valve.

WARNING

(8) Stop the engine.

Open globe valve with caution. The

d. After-Charging Procedure.

oil, water, and air emulsion released

(1) Open the bleeder valve (6, fig. 8) on the 6-foot

under pressure can cause injury to

rubber hose one-fourth turn.

personnel.

(2) Remove the charging line from the plug on the

(7) Open the globe valve (6, fig. 6) one- half turn.

high-pressure sphere valve (2, fig.