TM 55-1520-240-23-1016-28ADJUST FORWARD OR AFT CARGO HOOK SWITCHES (AVIM)(Continued)16-28LOAD-BEAM OPEN SWITCH ADJUSTMENTLoad-beam is spring loaded closed.Be careful when opening or closingload-beam, to prevent injury topersonnel.19.Rotate knob (17) counterclockwise. Rotate andhold load beam (15) open. Release knob. Resetlatch (29) to closed position. Release load beam.Load beam shall rest on bottom of latch.20.Connect multimeter (22), set to RX1 scale,between pins B and F of connector plug (23).21.Remove lockwire and loosen two screws (30)and nuts (31).22.Move load-beam-open switch (20) towardactuator arm (21) as far as it will go.23.Move load-beam-open switch (20) away fromactuator arm (21) until multimeter (22) reads 0ohm.24.Tighten two screws (30) and nuts (31).25.Rotate knob (17) counterclockwise. Load beam(15) shall return to closed and latched position.Release knob. Check multimeter (22) reading.Multimeter shall read infinity.26.Rotate knob (17) counterclockwise. Rotate andhold load beam (15) open. Release knob. Resetlatch (29) to closed position. Release load beam.Load beam shall rest on bottom of latch. Checkmultimeter (22) reading. Multimeter shall read0 ohm.27.Rotate knob (17) counterclockwise. Load beam(15) shall return to closed and latched position.Release knob. Check multimeter (22) reading.Multimeter shall read infinity.28.Torque screws (30) and nuts (31) to 15inch-pounds. Lockwire screws. Use lockwire(E227).29.Disconnect multimeter (22) from connector plug(23).16-156
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