59
60
58
61
52
53
54
55
56
57
58
52
TM 9-4940-568-20
6-13
c.
Assembly.
(1)
Install combustion chamber lining (61) in
heat exchanger (52).
Use care when removing or
installing retaining rings.
Retaining rings are under spring
tension and can act as projectiles
when released and could cause
eye injury.
(2)
Install blower impeller (60) on blower (58),
and secure with retaining ring (59).
(3)
Install gasket (57) on blower (58).
(4)
Install blower (58) on heat exchanger (52)
with six washers (56) and nuts (55).
(5)
Install flame sensor (54) in heat exchanger
(52) with retaining clip (53).
