TM 10-3930-669-20 (10) Remove four screws (32) and two brackets (33) from heater core housing (31). (11) Remove  ten  screws  (34)  and  cover  (35)  from heater core housing (31). (12) Remove   four   screws   (36)   from   heater   core housing (31) and brackets (37 and 38). (13) Remove bracket (37) from heater core housing (31). (14) Remove heater core (39) and bracket (38) from heater core housing (31). (15) Remove bracket (38) from heater core (39). NOTE Perform  Steps  (17)  and  (18)  only  if pads are damaged. (16) Remove  four  pads  (40)  from  two  brackets  (37 and 38) and heater core (39).  Discard pads. (17) Remove   pad   (41)   from   heater   core   housing (31).  Discard pad. 16-23

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