MARSAL MB236, Service Manual, Page: 6 / 9

5
MAINTENANCE INSTRUCTIONS
MAIN BURNER REMOVAL
1. Open combustion compartment door.
2. Remove the burner door by removing its hinges.
3. Remove the heat shields by removing the three screws that hold it together.
4. Remove the two screws that hold the pilot burner to the bracket.
5. Move the entire pilot burner assembly with capillary and pilot gas tubing forward out of
work area.
6. Disconnect union at manifold.
7. Remove three (3) bolts which hold the burner assembly to the floor of the burner
compartment and remove the tee support for the flame deflectors.
8. Replace burners in replace order from removal.
PILOT BURNER REMOVAL: #70101
1. Open combustion compartment door.
2. Remove the burner door by removing its hinges.
3. Remove the heat shields by removing the three screws that hold it together.
4. Remove the screw that holds the pilot burner to the bracket.
5. Remove the capillary bulb.
6. Disconnect gas supply tubing from pilot burner.
7. Replace pilot burner in reverse order from removal.
OVEN LIGHT BULB REMOVAL (MB SERIES ONLY) CAUTION!! Parts will be hot!
GLASS #70019 – LIGHT BULB #70071 – BULB HOLDER #71893
1. Open the control door and remove the screw located at the back of the light box (Figure 4 on
next page).
2. Remove the light box out through the control door (Figure 5 on next page).
3. Remove the light bulb and replace with new bulb. ( ONLY USE 100W 120VAC or 500W 240
VAC BULBS!)
MARSAL OFFERS A 500W 240 VOLT BULB THAT IS ALMOST THE SAME ILLUMINATION AS A
100W BUT MORE DURABLE.