01- The HET-RC - EDF 6904.
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02 - The components of the HET minifan.
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03 - The fan comes with the hub molded together as one piece.
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04 - A HET-RC - 2W motor will be used to power the model.
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05 - The ring that comes with the fan can be placed over the rear. Note that the inner lip will insert into the back of the fan housing. The ring was not used in this build.
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06 - Motor is test fit in the fan housing and fit well.
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07 - As you can see, the housing was made for this motor. Note the two kidney shaped slots in the motor and the housing.
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08 - The motor is installed with the slots aligned with the motor. these will help provide some cooling.
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09 - Some blue Loktite is applied to the motor threads only and then wiped clean on the surface. Do not apply Loktite to the bolts as it can touch the sides of the mounting holes when installed and attack the plastic.
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10 - The 3mm x 6mm bolts that came with the fan are installed to retain the motor and tightened using the supplied allen wrench.
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11 - Photo shows the shaft adapter and how it fits inside the fan unit.
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12 - The fan comes pre-balanced but was still checked to confirm.
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13 - The blue spot shows the area that was pre balanced at the factory.
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14 - The fan and housing prior to installation.
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15 - Install the shaft adapter first.
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16 - Next, install the fan unit.
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17 - Seat the fan flush for now.
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18 - Install the front hex bolt that retains the fan.
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19 - Before tightening, pull the fan unit away from the rear of the housing as shown by the pencil so it will not rub.
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20 - Tighten the bolt with the supplied wrench and check the fan to make sure it is not rubbing on the housing.
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21 - Make sure the clearance appears even on all fan blades and check for rubbing.
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22 - The HET-RC - 6904 mini Fan Assembled.
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