Comet Executive Gas
Preventive Maintenance
4-19
8.
Disconnect the pilot gas line from the gas
9.
Securely place a large C-clamp on the
burner assembly and use it as a hand-hold
to help balance and support the assembly.
10.
Then,
loosen
the union (Figure 4-12, B)
between the gas valve and the burner.
NOTE:
Three maintenance
people are required to remove
the burner assembly. Station one
person at the right end of the unit
and the other two at the left end.
WARNING
The burner assembly is
heavy and will rotate when it
is removed.
Make sure it is adequately
supported at both ends
during removal and
replacement and that there
are sufficient personnel/
equipment to handle it to
prevent injury or damage.
11.
Make sure a worker has a good hold on
the C-clamp and the burner assembly is
supported.
12.
Finish disconnecting the gas union (Figure
13.
Support the burner assembly while remov-
ing the bolts that hold the burner support
bracket in position (Figure 4-11, C).
14. Remove the burner assembly slowly. When
the burner has been moved about 18” (450
mm), stop moving the assembly.
The tail pipe should be about ready to clear
the right endframe and will drop against
the bottom of the ironing cylinder if not
properly supported.
15.
The two people at the left end should push
down slightly on the assembly, while the
person at the right endframe reaches into the
ironing cylinder and supports the tail pipe.
16. Begin slowly pulling the burner out an
-
other few inches until the tail pipe is clear.
Be careful to avoid letting the burner tail
pipe bang against the bottom of the iron-
ing cylinder.
17.
Continue moving the burner assembly out
slowly. Keep downward pressure on it to
lift the tail pipe as it clears the cylinder
end and keep it from banging against the
heat shield in the bottom of the cylinder,
which could cause damage.
18.
Continue sliding the burner assembly
slowly out of the ironing cylinder. When
the tail pipe reaches the left end, all three
people should lift the burner assembly so
the tail pipe can clear the cylinder.
19. Place the burner assembly on a sturdy
worktable.
Figure 4-12:
Disconnect the pilot gas line at the gas
valve.
A
B
TOC
INDEX
Содержание Comet Executive Exec-56-G
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