TM 5-4520-240-14
k. Remove the four screws (15) and lock washers (16)
housing. Pull the heat exchanger up and out to remove
securing the heat exchanger housing (24) to the heater
it, and remove the gasket (23).
case (28). Pull out the assembled housing and heat ex-
m. If the data plates (30 and 32) are damaged, drill
changer to remove them from the case.
out the rivets (29 and 31) and remove the data plates
l. Remove the screw (17) and lock washer (18) from
from the heater case.
the underside of the heat exchanger housing (24), and
n. Disconnect the gray motor lead at the plug-in con-
remove the plate (19). Remove the five screws (20) and
nector, and disconnect the white-black lead at the
lock washers (21) securing the heat exchanger (22) to its
motor ground terminal. Remove the three screws (25)
10-3