TM 9--2350--277--20--5 0796 00--6 REPL ACE NBC HEAT ERS AND MOUNT S (M577A3 ONLY) - Co n t in u ed 0796 00 FOLLOW--THROUGH STEPS 1. Connect battery ground leads (WP 0338 00). 2. Check air flow of NBC system. Follow procedures of TM 3 -6680 -316 -10. END OF TASK Change 2