TM-9-2350-277-20-5 Unit Maintenance Manual Volume 5 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 781 of 928
TM 9--2350--277--20--5 0808 00--3 REPL ACE NBC HEAT ER WIRING HARNESS ( M 577A3 O NLY) - Co n t in u e d 0808 00 8. Re m ove l e a d 537G (21) from c om m a nde r ’s he a t e r (2 2) a nd c onne c t or (23). 9. Re m ove l e a d 537B (24 ) from dri ve r ’s he a t e r (25 ). 10. Cut and remove all straps along wiring harness (26) and adjacent wiring harness. Discard straps. 11. Re m ove sc re w (27), c l a m p (28), t wo wa she rs (29), one l oc kwa she r (30), a nd nut (31) se c uri ng l e a ds (c i rc ui a nd 537E ) t o t he m a ni fol d support (32). Di sc a rd l oc kwa she r. 12. Re m ove sc re w (33), l oc kwa she r (34), a nd c l a m p (35) from sponson se c uri ng t he hose a nd l e a d. Di sc a rd l o 13. Cut grom m e t (36) a nd pul l wi ri ng ha rne ss (26) t hrough hol e i n fra m e (37). Di sc a rd grom m e t . Change 2 14. Remove leads 537E (38), 537D (39), and 537C (40) from heaters (41), (42), and (43) respectively.