TM 9-2350-277-20-5REPLACE M13 NBC HEATER WIRING HARNESS (M577A3 ONLY) — Continued 0808 003. Remove screw (8), two lockwashers (9), and ground lead (10) from control box (7).4. Remove screw (11), two washers (12), locknut (13), and ground lead (14) from frame (15). Discard locknut.5. Cut strap (16) from ground lead (14) and wiring harness (5). Discard strap.6. Loosen screw on cable connector (17) and remove ground lead (14).7. Remove cable connector (17) from air purifier (18).0808 00-2
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