Maintenance - Blodgett 901 Installation And Operation Manual

Maintenance

Cleaning and Replacement of Parts
CLEANING
WARNING!!
DO NOT spray the oven with a water jet.
Daily
1. Saturate a cloth with light oil. Wipe the oven exterior
when it is cold. Dry the oven with a clean cloth.
2. Clean stainless surfaces with a non-toxic industrial
stainless steel cleaner. Apply the cleaner when the
oven is cold, and always rub with the grain of the
metal.
3. Brush residue from beneath doors.
Weekly
1. Brush oven cavity, control area and cooling fans.
REPLACEMENT OF PARTS
Baking Compartment Door
1. Open the oven door.
2. Remove the left corner trim panel and column.
3. Remove the two bolts in the left counter weight.
4. Remove the retaining rings and door arms.
5. Remove the two bolts in the left hinge assembly.
6. Remove the inner bolt on the right side of the door.
Loosen the outer bolts.
7. Slide the right hinge pin to the left. Note the number of
spacer washers used on the right hinge pin.
8. Remove the door.
Burner Compartment Door
1. Remove left hand door support arm.
2. Remove the inside bolt on the left hand hinge pin.
Loosen the outer bolt.
3. Pull the left side of the door forward to remove.
Control Stack Assembly
1. Remove thermostat knob, main manual control valve
handle and control panel cover.
2. Open oven door. Remove the thermostat bulb guard.
Straighten out capillary.
3. Disconnect pilot tubing at the safety valve on the con-
trol stack.
4. Open combustion compartment door. Remove
screws holding the pilot burner to the bracket on the
right hand main burner.
5. Disconnect safety valve capillary from pilot burner.
Remove the pilot burner.
6. Disconnect upper and lower unions on the control
stack.
7. Pull the control stack assembly forward. Disconnect
thermostat capillary. Remove through the front of the
control area.
Main Burner
1. Open combustion compartment door. Remove
screws holding the pilot burner to the bracket on the
right hand main burner. Move pilot burner assembly
out of the way.
2. Open combustion compartment door. Remove
screws holding the pilot burner to the bracket on the
right hand main burner. Move pilot burner assembly
out of the way.
3. Remove the two bolt holding the burner manifold to
the brackets of the burner compartment.
4. Remove the two burner manifold brackets, the com-
bustion compartment door.
5. Remove first the right, then the left main burners.
Pilot Burner
1. Open combustion compartment door. Remove
screws holding the pilot burner to the bracket on the
right hand main burner.
2. Loosen the hex head screw on the pilot burner brack-
et. Remove the capillary bulb.
3. Disconnect the gas supply tubing from the pilot burn-
er.
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