Comet Executive Gas Repair
7-31
13. Support the burner assembly while remov-
ing the bolts that hold the burner support
bracket in position (Figure 7-26, 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.
Replace Burner
After all maintenance/repair is completed,
replacing the burner is generally a reversal of the
removal process with the following additional
guidelines:
1. When the assembly has been pushed back
into the ironing cylinder, have a worker
help guide the tail pipe into place.
2. With two people at the left endframe push-
ing down slightly on the burner assembly,
the third person reaches into the ironing
cylinder helps guide the tail pipe through
the opening in the right endframe.
3. Once the tail pipe is seated in the opening,
slide it the rest of the way into position.
4. Make sure it is properly positioned in its
holding bracket.
5. Reinstall the burner support removed in
Step 13 of Remove Burner on page 7-30.
6. Make sure the burner is properly oriented
and physically secured.
7. Securely rejoin the gas line union for the
burner (Figure 7-27, B). Use pipe thread
compound to assure a leakproof connec-
tion.
8. Reconnect the pilot gas line (Figure 7-27,
A). Use pipe thread compound or Teon
tape to assure a leakproof connection.
9. Reconnect the ame sensor and ignition
electrode wires as noted in 6 of Remove
Burner on page 7-30.
10. Reposition and secure the protective
backplate. This piece should be handled
by two maintenance personnel.
11. Make sure the internal valve is in the fully
ON position.
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