TM 9-2350-256-102-13. OPERATION OF AUXILIARY EQUIPMENT-Continued.(f)Circuitbreakerandswitchassembly.Two air purifier circuit breaker switch assemblies (3) arelocated in crew compartment. Left unit is located near the driver's dome light, right unit is locatednear mechanic's dome light.(2)GPFUOperation.(a)Starting.1.Check MASTER switch for on.2.Put masks on and adjust facepiece.3.Move spring clip down to open air inlet holes.4.Turn AIR PURIFIER SWITCH(s) ON.5.Attach hoses from purifier unit outlets to masks.NOTEMasks will only be worn inside vehicle.(b)Stopping.1.Uncouple hoses from masks.2.Turn units OFF.3.Remove masks.4.Stow masks and hoses.5.Move spring clip up to cover holes.2-192
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