TM 1-1520-240-109-2-1SECTION II. MISSION EQUIPMENT9-2-1. ARMAMENT9-2-2. Armament Subsystems — M24 and M41. WARNINGDo not retract the bolt assembly immediatelywhen a hangover or cook-off is suspected. Ahangover will normally occur within 5 sec-onds from the time the primer is struck. Acook-off will normally occur after 10 secondsof contact with the chamber of a hot barrel.If 150 cartridges are fired in a 2-minuteperiod, the barrel will be hot enough toproduce a cook-off.Misfire:F1. Weapon—Pointatsafearea.F2. Bolt—Retract,ensurecartridgeejects.F3. If cartridge does not eject — Perform reme-dial action IAW TM 9--1005-224-10.NOTEKeep cartridge separate from other ammuni-tion until it has been determined whether thecartridge or the firing mechanism was at fault,it will be retained separate from other car-tridges until disposed of. If examination re-veals that the firing mechanism was at fault,the cartridge may be reloaded and fired.Runaway Gun:F Breaktheammunitionfeedbelt.9-2-3. Cargo.9-2-4. Jettisoning External Cargo.WARNINGIf a DUAL HOOK FAULT caution exists,normal and emergency release capabilityfor the forward and aft hook may be lost.Use the manual emergency release sys-tem only.Primary Method:CARGO HOOK EMERG switch — REL ALL.Alternate Method:F Forward, center and aft hook release lever — Pull aft.NOTEIf the forward and/or aft hooks did not openbecause of sling slack, apply a slight amountof thrust to load the hook(s) and force open.9-2-5. Hoist.WARNINGPersonnel must remain aft of the rescuehatch and face away from the cable cutter.The hoist cable may whip forward when itis cut and particles may be ejected fromthe cable cutter.1. Personnel — Clear.2. CABLE CUTTER switch —ON.9-2-6. ERFS II and FARE.9-2-7. Failure of Fuel Quantity Gauge.F Remove filler cap from filler opening and look into tank.Using a explosion proof flashlight or other sealed beamlight source, locate fuel tabs which are attached to insideof column module at calibrated heights, increments of1/4. 1/2, and 3/4. Any tab covered with fuel will normallynot be visible.9-2-8. No or Slow Fuel Transfer to the Main Tanks.F1. Manually operated fuel/defuel valve —Check CLOSED.F2. Unisex couplings — Check. F3. Breakaway valves — Check open and forfracture. F4. Pumps — Check for operation. F5. Tank circuit breakers on FUEL CONTROLPANEL — Check reset in. F6. Ensure vent lines connected.9-2-9. IN FLIGHT Emergency ERFS II Fuel Transfer tomain Tanks.Using the FARE pump:F1. FARE pump module to rear most ERFS IItank — Install.F2. STA 380 fuel transfer hose to rear mostERFS tank, fuel manifold hose — Discon-nect.F3. Rear most ERFS II tank fuel manifold cou-pling to FARE pump inlet (Top) coupling —Connect.F4. FARE pump module outlet (lower) couplingto STA 380 fuel transfer hose — Connect.
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