j. Remove the four screws (10) and lock washers (11)
Remove the exhaust connection, gasket (13), and ex-
securing the exhaust connection (12) to the heater case.
haust washer (14).
l. Remove the screw (17) and lock washer (18) from
k. Remove the four screws (15) and lock washers (16)
the underside of the heat exchanger housing (24), and
curing the heat exchanger housing (24) to the heater
remove the plate (19). Remove the five screws (20) and
case (28). Pull out the assembled housing and heat ex-
lock washers (21) securing the heat exchanger (22) to its
changer to remove them from the case,