TM 5-1940-277-34MAST WIRING HARNESS REPLACEMENT INSTRUCTIONS - LOWER(Continued)LOCATIONITEMACTIONREMARKSREMOVAL1.Lower mast (1)a.Light socketsRemove.Reference TM(2) (naviga-5-1940-277-20.tion)b.Spiral wrapRemove all thatWraps around(3) on wiresis exposed.wire. Unwindand retain.c.Socket (4)Unscrew plugDisconnectsand plug (5)from socket.upper mastharness fromlower mastharness.d.SocketRemove screwUse screwdriver.retainingfrom side ofFrees socket toscrew (6) andsocket housingbe pulled out ofwasher (7)(8).housing.e.Socket corePull out of(9)socket housing(8).NOTEBefore next step check wire color leading to each pin. Pin numbers are on face of socket andshould be: 1 Blue, 2 Black, 3 Brown, 4 - Green. If not, make diagram of connections.f.4 wireLoosen and pullUse screwdriver.retainingwires out.Lay core asidescrews (10)for reuse.NOTENext step applies to point where wires enter mast frame.2-123
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