TM 1-1270-476-30
4-259
4-30. HEADS OUT DISPLAY (HOD) ASSEMBLY REPAIR (cont)
5. ELAPSED TIME INDICATOR (ETI) OR
COVER REPLACEMENT
NOTE
Elapsed time indicator ETI is being eliminated
and replaced by a cover. This procedure
applies only to an HOD built with ETI or cover
installed. If ETI is located in the HOD, perform
ETI removal and cover installation below. If
ETI is removed and cover is installed, do not
perform this procedure.
REMOVAL
a. Remove HOD cover assembly (1), by
loosening six captive screws (2).
b. Disconnect connector P3 (3) by loosening
two screwlocks (4). Move connector P3 out
of way.
c. Remove connector J3 (5) by loosening two
captive screws (6). Move connector J3 out
of way.
d. Remove elapsed time indicator ETI (7) or
cover (step i below) by removing two
locknuts (8), washers (9), spacers (10), and
screws (11).
e. Unsolder wires (12) from elapsed time
indicator ETI.
f. Insulate unsoldered wires (12) using
insulation sleeving. Ensure that tubing
extends a minimum of 0.25 inch beyond
ends of wires.
g. Secure Insulated wires (12) to adjacent
wiring or chassis using lacing and tying
tape.
h. Discard elapsed time indicator ETI (11) in
accordance with TM 1-1270-476-23P.
Retain mounting hardware for cover
installation.
