Lang RF21SMG-USUB, Operation And Service Manual

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Blower Wheel
Secure oven from power. Inside the oven, remove the racks and right hand rack slide. Remove
wing nut holding oven baffle. Remove oven baffle exposing the blower wheel. Loosen the two
1/4-20-set screws holding the blower wheel to the motor shaft. Using a three-fingered wheel
puller, grasp the puller ring with all three fingers and tighten the puller until the blower wheel
hub clears the motor shaft. Place new blower-wheel on the motor shaft and position the new
blower wheel so that it is flush with front inlet ring. Tighten the set-screw over the flat spot on
the motor shaft and spin the blower wheel to confirm that blower wheel is strait. Adjust if
necessary and tighten second set screw. Test for proper operation.
Motor
Remove the blower wheel as outlined above. Once blower wheel is removed, remove the six
bolts holding the motor plate to the side wall of the oven. Gently pull the motor out and lay on
the bottom of the oven cavity. Note each wire location on the motor and remove the wires.
Remove motor from cavity and remove old motor from motor mounting plate. Attach new
motor to motor mounting plate. Reverse removal instructions to assemble. Discard old motor
and test for proper operation.
Elements
Remove oven racks and right hand rack slide from oven. Remove the wing nuts holding oven
baffle to right hand of oven. Remove oven baffle from oven. Remove 4 screws holding oven
elements to right hand of oven. Gently pull elements away from right hand of oven. Noting
wire locations, disconnect wires from element. Discard old element. Reverse removal
instructions to assemble.
REMOVAL INSTRUCTIONS
RANGE TOP
Thermostat
Secure range top from power. Using two 9” braces, lift the griddle plate up and secure with the
two 9” braces. Remove capillary tube holders from the center of the element pan assembly and
gently remove from griddle area. Remove two sheet metal screws holding control panel to
range top and remove control panel. Remove the thermostat knob and two screws holding the
thermostat to the control panel. Discard old thermostat. Reverse removal instructions to install
new thermostat.
Elements
Secure range top from power. Using two 9” braces, lift the griddle plate up and secure with the
two 9” braces. Remove capillary tube holders from the center of the element pan assembly and
gently remove from griddle area. Remove wires from element terminals, noting the wire
locations. Remove the five nuts holding the element pan assembly to the bottom of the griddle.
Remove defective element from the element pan and discard defective element. To install
reverse removal instructions.
MAINTENANCE & CLEANING