TM 10-5410-228-24
3.9.2
Sound Guard Replacement Continued.
(5)
Trim soundfoams, as required, to fit onto guard segment (14).
(6)
Remove protective backing from two soundfoams and press onto both sides of guard segment
(14). Cut eight 0.50 inch clearance holes in soundfoam to allow access to eight screw heads.
(7)
Remove protective backing from soundfoam (31) and press onto back side of guard wraparound
(24).
(8)
Remove protective backing from two soundfoams (29) and soundfoam (30) and press onto front
side of guard wraparound (24).
NOTE
Do not cut soundfoam to reflect notches in top guard. Only cut slit in soundfoam to
Cut three 0.50 inch clearance holes in soundfoam to allow access to three screw heads.
(9)
Remove protective backing from soundfoam (28) and press onto guard top (10). Trim soundfoam
(27) even with bottom of guard top (10).
(10) Position guard wraparound (24) in ECU.
(11) Position guard segment (14) in ECU.
(12) Position guard top (10) in ECU.
(13) Install six screws (15), six new lockwashers (16) and six flat washers (17) securing guard
segment (14) to three mounting angles (20, 19 and 18).
(14) Install two screws (11), two new lockwashers (12) and two flat washers (13) securing guard top
(10) to guard segment (14).
(15) Install three screws (6), three new lockwashers (7) and three flat washers (8) securing shim (9)
to guard top (10).
Install six screws (1), six new lockwashers (2) and six flat washers (3) securing sound guard (4) to
inside of ECU.
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