TM 1-1270-476-30
4-223
4-26. NIGHT SENSOR SHROUD ASSEMBLY REPAIR (cont)
4. ANTI-ICE HEATERS HR4 AND HR5
REPLACEMENT
REMOVAL
a. Cut lacing and tying tape (1) as required to
access heater wires (2).
b. Tag and cut wires (2) on far side of splices
(3) from anti-ice heaters HR4 (4) and HR5
(5).
c. Peel anti-ice heaters HR4 (4) and HR5 (5)
off shroud assembly (6). Pull heater wires
(2) through hole in shroud assembly (6).
INSTALLATION
d. Remove old liquid adhesive from shroud
assembly (6) (para 2-6).
e. Remove old noncorrosive RTV silicone
adhesive sealant from wire and hole in
shroud assembly (para 2-6).
f. Apply liquid adhesive to faying surface on
shroud assembly (6) and anti-ice heaters
HR4 (4) and HR5 (5) (para 2-6).