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Maintenance
Cleaning and Replacement of Parts
CLEANING
NOTE: DO NOT spray the oven with a water jet.
Daily
1. Remove and clean the crumb pans.
2. Clean the conveyor belt with a brush.
Every 3 months
1. Clean the axial fan guards.
Every 6 months
1. Remove the conveyor belt and guides.
2. Clean the inside of the oven.
NOTE: Roll up the conveyor belt. See Figure 23.
Every 12 months
A factory authorized service person should:
1. Clean the control panel, oven cavity, burner
and fans.
2. Check the main electrical connections.
3. Check the drive motor. Replace the carbon
brushes.
4. Clean and lubricate the drive chain.
5. Check and adjust the gas setting.
Figure 23
REPLACEMENT OF PARTS
Electrical Components
1. Turn off the main electrical connection to the
oven.
2. Remove the components from the panel and
set the wiring aside.
3. Reinstall the components.
Gas Control Combination
1. Shut off the gas and turn off the power to the
oven.
2. Remove the electrical connection.
3. Remove the gas connection in front of and be-
hind the control combination.
4. Replace pilot line, reinstall, and adjust. Check
for gas leaks.
Removal of Burner
1. Shut off the gas and turn off the power.
2. Remove the gas connection, etc. (see above).
Unscrew 4 screws from the burner mounting
plate. Remove the burner from the combus-
tion chamber.
3. Replace pilot if necessary. Install the burner.
Cooling Fans
1. Switch off the power and dismantle the back
plate, remove insulation if necessary.
2. Remove electrical connection and dismantle
the respective fans.
3. Install fans and electrical connection.
Combustion Chamber
1. Remove the cover plate behind the insulation.
2. Dismantle the combustion chamber and
clean it.
3. Install the combustion chamber, cover plate,
insulation, and back plate.
Operating Panel Components
1. Switch power off.
2. Remove the control compartment cover. Slide
the control panel out.
3. Replace and repair the respective compo-
nent. Install the panel and control compart-
ment cover.
4. Before dismantling and reinstalling the tem-
perature sensors, remove the back plate and
insulation. The sensors are located on the top
of the combustion chamber.
12
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