52
4
53
54
55
56
57
58
52
TM 9-4940-568-20
6-11
(21)
Remove heat exchanger (52) with blower attached from outer casing (4).
(22)
Remove retaining clip (53) and flame
sensor (54) from heat exchanger (52).
(23)
Remove six nuts (55), washers (56), gasket
(57), and blower (58) from heat exchanger
(52). Discard gasket.
