Figure 8 – Coleman 5040 User Manual
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To repair or replace the burner, refer to Figures 1-3, and Figures 6-7.
Remove reflector (Figure 1). Remove burner screen assembly top as a unit by removing only the 4
lower hex-head screws holding the burner screen assembly top to its bottom using a 7/16" wrench
(Figures 2 and 3). Remove 2 burner bracket screws (Figure 6-a). Also see Note #1. Then lift burner
straight up to remove (Figure 7). When reinstalling the burner it may help to rotate it as it is pushed
down the center tube. Make sure the burner locating hole at the bottom of the burner (Figure 6) fits
over the valve/manifold boss. This can be verified by looking through the maintenance access open-
ing (Figure 7-a).
To replace mantle electrode(s), refer to Figures 8-11.
Remove glass panels. Unplug electrode wire from igniter (Figure 9). Then remove electrode bracket
screw (Figure 10). Electrode can now be removed through the opening in the head frame (Figure 11).
Also see Note #1.
Figure 6-a
Figure 7
Figure 7-a
Figure 9
Figure 10
Figure 11
Figure 6
Locating
Hole
Figure 8
Valve/Manifold
Boss
Burner
Locating
Hole
Note #1: For difficult to remove screws, apply 3-in-1 oil, penetrating oil, or WD-40. Let sit for several hours or overnight,
then attempt to remove screws again.
Mantle
Electrode
Model 5040 A Repair Manual