Lang F6 Installation, Operation, Maintenance, & Troubleshooting page 15

MAINTENANCE & CLEANING
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.
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