TM 5-4520-253-13
REMOVE/lNSTALL HEAT EXCHANGER (CONT)
8.
9.
10.
11.
12.
Remove five screws (18) and pressure pads (19) and lift out burner head assembly (15) and
gasket (20).
Remove eight screws with lock washers (21) securing rear exchanger cover (22).
Carefully remove rear exchanger cover (22) with heat exchanger (23) attached.
Remove four screws with lock washers (24) attaching rear exchanger cover (22) to heat ex-
changer (23).
Lift out heat exchanger exhaust shield (25) at exhaust end of heat exchanger (23).
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