TM 5-3810-307-24-1-2
c.
Ensure that all sealing surfaces are clean. Then apply liquid sealant (Form-a-Gasket )
to the sealing surface between the combustion blower and its cover (25). Mate these
two pieces together.
d.
Install new seal (28) and combustion blower and cover (25) onto burner assembly (4)
and secure with screws (26).
e.
Install coolant heater 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).
Flame Sensor. (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.
Tag and disconnect wires to flame sensor (24).
g.
Remove flame sensor (24).
Installation.
a.
Install flame sensor (24, Figure J-20).
b.
Connect wires from flame sensor (24) as tagged. Remove tags.
c.
Install combustion blower and cover (25) as described above.
d.
Install control unit (2) as described above.
e.
Install engine coolant heater (4, Figure J-19) as described above.
f.
Replace cover (2) on boxed enclosure (3) and secure with two bolts (1).
J-52 Change-1