14
Replacing the motor
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Remove the weight-holder lid and the side casing;
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Remove the entire linear actuator assembly as described in the appropriate section of this
manual;
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Undo the four M8 bolts securing the spin unit to the body beam and remove the unit from
the balancing machine;
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On a work bench, undo the four M6 bolts and the single M8 bolt securing the brake lever
and control lever (A);
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Remove the outside circlip from the motor shaft (B);
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Slacken off the stud bolt securing the small pulley (C);
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Unscrew the four bolts securing the motor to its mount (D).
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Remove the motor and recover the connecting rod assembly spacers (F);
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Before installing the new motor, fit the inside circlip to the motor shaft (E);
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Fit the motor shaft into the first connecting rod bearing (F) and then into the small pulley
and so on, as shown in the figure;
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Tighten down the engine mounting bolts (D);
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Tighten the stud bolt (C);
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Fit the circlip (B);
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Reinstall the brake lever and control lever with bolts (A);
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Refit the unit to the balancing machine beam, taking care to position the front reference
on the aluminum casting perfectly snug against the central unit block;
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Reinstall the linear actuator.