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7. Service
Figure 7D Position of Fan Motor
3.Remove motor mount bolts. If there are shims between the motor and its base, note their location so they can be properly installed during reassembly.
4.Disconnect the upper end of the motor conduit, then carefully pull the wires through the hole in the fan heater housing. Remove motor from the fan heater unit with the conduit still attached. If motor requires service, take it to an authorized service station.
5.To reinstall motor, slide onto motor base plate and replace shims (if required) between motor base and plate. Reinstall motor mount bolts and washer, but do not fully tighten at this time.
6.Reinstall conduit and wires through hole in fan heater housing and carefully connect all electrical wiring.
7.Adjust position of motor by temporarily mounting fan blade on motor shaft. Rotate fan blade by hand, making the necessary adjustments, so the tip clearance between blade and housing is uniform. If required, remove the fan blade and fully tighten all four motor mount bolts.
NOTE: Make sure to install and tighten the propeller in accordance with previous instructions.
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