TM 5-3810-306-20
TACHOMETER REPLACEMENT
TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033)
SUPPLIES:
None
EQUIPMENT 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) to
tachometer (1).
b.
Remove two nuts (3) and lockwashers (4). Lift
mounting 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) to
remove.
b.
Remove filter cap (7) and discard if damaged.
c.
Inspect bulb (6) for damage. If bulb (6) is
burned out, do step d.
d.
Pull bulb (6) from socket (8) and discard if
damaged.
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). Turn
socket to lock in place.
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