TM 5-3810-307-24-1-2
Burner. (Refer to Figures J-19 and J-20.)
Removal.
a.
Ensure battery disconnect switch is in the OFF position.
b.
Remove two bolts (1, Figure J-19) and remove cover (2) from boxed enclosure (3) of the
coolant heater (4).
c.
Remove engine coolant heater (4) as described above.
d.
Remove the control unit (2, Figure J-20) as described above.
e.
Remove combustion blower and cover (25) as described above.
f.
Remove the temperature sensor (22), overheat sensor (12), and flame sensor (24) as
described above.
g.
Remove four socket head capscrews (26) and washers (29) and separate the burner
assembly (4) and outer casing (15) of heat exchanger (20).
h.
If necessary, carefully separate the flame tube and burner (7) and the burner assembly
(4) by removing four screws (6). Remove and discard seal (5).
Installation.
a.
If separated, assemble flame tube and burner (7, Figure J-20), new seal (5), and burner
assembly (4) with screws (6).
b.
Assemble the burner assembly (4), outer casing (15) and heat exchanger (20) and
secure with socket head capscrews (26) and washers (29).
c.
Install the temperature sensor (22), overheat sensor (12), and flame sensor (24) as
described above.
d.
Install combustion blower and cover (25) as described above.
e.
Install the control unit (2) as described above.
f.
Install engine coolant heater (4, Figure J-19) as described above).
g.
Replace cover (2) on boxed enclosure (3) and secure with two bolts (1).
Combustion Chamber. (Refer to Figures J-19 and J-20.)
Removal.
a.
Ensure battery disconnect switch is in the OFF position.
b.
Remove two bolts (1, Figure J-19) and remove cover (2) from boxed enclosure (3) of the
coolant heater (4).
c.
Remove engine coolant heater (4) as described above.
d.
Remove the control unit (2, Figure J-20) as described above.
Change-1 J-53