Modine DFG Manuel D'installation Et D'entretien page 19

MAINTENANCE
Figure 19.1 - Manifold Assembly Removal
SERIAL PLATE
BURNER SIDE
ACCESS PANEL
Model DFP is shown, but also applies to all models.
Burner and Pilot Assembly Removal
To remove the burner (refer to Figure 19.2)
1. Shut off gas and electric supply.
2. Disconnect the pilot supply line from the gas valve.
3. Disconnect the ignition cable from the ignition controller
(located in the electrical junction box). Feed the cable through
the bushing in the bottom of the electrical junction box.
4. Remove the screws holding the burner side access panel.
Attached to the panel are the burner retaining pins that align
the burner.
5. Slide the burner assembly out. The pilot is attached to the
burner assembly.
6. Examine the burner and pilot assembly for cleanliness and/
or obstructions as necessary (see Duct Furnace for cleaning
instructions).
7. Replace the burner assembly in reverse order. In replacing
the burner, be certain that the rear burner slots are located
properly on the burner retaining pins. Do not force the burner
side access panel, it will not fit if the burner is not properly
aligned.
8. Reconnect the ignition cable and pilot gas supply line.
9. Turn on the electric and gas supply.
Figure 19.2 - Burner and Pilot Assembly Removal
PILOT
ASSEMBLY
ELECTRICAL
JUNCTION
IGNITION
BOX
MANIFOLD
5-564.4
CABLE
PILOT
SUPPLY
LINE
AIR SHUTTERS
(NOT SHOWN)
ARE LOCATED
ON THE
ORIFICES
19