Electric Motor
MERGE 12-11
Chapter 12
Fig 12-9: Mounting of the brush Fig 12-10: Mounting of the end shield
Mounting of the electric motor
1. Clean the input shaft of the driving axle.
1.1. Spray detergent over the input shaft.
1.2. Wipe the input shaft with a piece of clean cloth.
1.3. Inspect the groove of input shaft, and clean the remaining scraps.
1.4. Repeat Step 1.1 to 1.3 until the input shaft is clean.
2. Lubricate the input shaft of the driving axle
2.1. As shown in the figure, extrude about 1/2 inch (1.3cm) of NYE lubricating oil from the tube onto
the putty knife（see Fig 12-11).
2.2. Turn the wheel so as to rotate the input shaft.
2.3. Evenly apply the motor coupling grease onto the rotating input shaft. Start the application from
the position 1/8 inch (3.1mm) lower than the shaft end to the driving axle (far end of the shaft)
(see Fig 12-12).
2.4. The grease should be evenly applied in the groove, and the width should be about 3/8 inch
(9.5mm).
2.5. Erase the grease in one groove with a flat-head screwdriver so that air can be vented when the
electric motor is put to the input shaft.
Terminal contacts
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