TM 9-4520-258-14
4-34. HEAT EXCHANGER ASSEMBLY - continued.
c.
Installation -continued
Flame Sensor (Refer to Figure 4-65)
(6)
Insert wire end of flame sensor (1) through the bottom hole of heat exchanger shell (2)
form the inside.
(7)
Insert eye end of the flame sensor (1) through the bottom hole of heat exchanger (3) from
the outside.
(8)
Install grommet (4) in heat exchanger shell (2) and grommet (5) in heat exchanger (3).
(9)
Install flame sensor (1) onto burner (6) and tighten clamp (7).
(10)
Connect wires (8) and (9) as follows to TB3 (10).
(a)
Connect wire (8), TB3-6/D12-YEL to position TB3-6.
(b)
Connect wire (9), D1-YEL/TB3-7 to position TB3-7.
Figure 4-65. Flame Sensor Installation
4-164
