TM 5-2420-230-24-1
(6)
Install two new O-rings (28) on two tubes (26) and (25).
(7)
Install tubes (26) and (25) on heater core (27).
NOTE
Perform Step (8) only if fan motor assembly was removed.
(8)
Install fan motor assembly (10) and motor resistor (7) on motor bracket (24) with two screws (23).
NOTE
Perform Step (9) only if EMI filter was removed.
(9)
Install EMI filter (13) on front heater mounting leg (22) with two screws (21).
13-77
Change 1