The steps that follow are to recapture the Halon leftover in the pump and hoses
back into the Halon supply cylinder.
After all fire extinguishers are processed, verify that the valve on the Halon hose is closed.
Close ball valve on nitrogen supply cylinder. Loosen nitrogen pressure regulator from nitrogen cylinder and bleed
Place the tilt rack in the upright position.
Place the unit operation valve in the recover position.
Open the valve on the Halon hose.
Place the HALON/NITROGEN valve in the HALON position.
Start the pump by rotating the pump control valve 90 degrees counterclockwise to the ON position. Operate the
pump until the INLET PRESSURE gauge reads minus 5 psi vacuum.
Close valve on the Halon hose, stop the pump and close valves on Halon supply cylinder.
Return the UNIT OPERATION valve to the OFF position.
Return the HALON/NITROGEN valve to the OFF position.
Stop the compressor.
Remove the adapters from extinguisher hose and place adapters in tool box.
Disconnect Halon hose from Halon cylinder and air compressor hose from air filter.
Stow hoses in approved manner.
If used, remove extinguisher support base from agitator bracket and place in tool box.
2-10.2 For the Bradley Infantry Fighting Vehicle (engine compartment). (Refer to Figure 2-7)
Sudden release of compressed gases may cause severe injury to personnel. Do
not deviate from approved procedures. Wear safety goggles or face shield, gloves
and hearing protection when working with pressurized equipment. Perform
operating procedures in a well ventilated area.
Connect the Bradley adapter, stored in tool box, to the nitrogen monitor adapter assembly. The Bradley adapter is
straight with a swivel fitting at one end.
Start the air compressor. Adjust the air inlet regulator on the Recovery / Recharger Unit to 140 psi (965 kPa).
Attach extinguisher support base, P/N 12463589 (item 6, Appendix D) to agitator bracket.