TM 5-3810-306-20TACHOMETER REPLACEMENTTOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033)SUPPLIES:NoneEQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.)Left front control panel removed. (Refer to page 8-11.)REMOVAL:1.REMOVE TACHOMETER (1).a.Tag and disconnect electrical wires (2) totachometer (1).b.Remove two nuts (3) and lockwashers (4). Liftmounting bracket (5) from tachometer (1).c.Push tachometer (1) through panel.2.REMOVE BULB (6).a.Push in and turn tab on bulb socket (8) toremove.b.Remove filter cap (7) and discard if damaged.c.Inspect bulb (6) for damage. If bulb (6) isburned out, do step d.d.Pull bulb (6) from socket (8) and discard ifdamaged.3.INSPECT ALL OTHER PARTS FOR DAMAGE.REPLACE AS REQUIRED.INSTALLATION:1.INSTALL BULBS (6).a.Put bulb (6) in socket (8). Install filter cap (7).b.Install socket (8) in back of tachometer (1). Turnsocket to lock in place.8-32
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