BRUSH MOTOR AND REDUCTION UNIT DISASSEMBLY/ASSEMBLY [MICROMATIC M17B]
Motor/reduction unit disassembly/assembly
Remove the brush/pad-holder (54/55), according to the instructions in the Instructions for Use Manual.
Remove the brush/pad-holder deck.
At the workbench, remove the central screw (A).
Remove the polygonal support (B).
Recover the key (C).
Remove the screws (D).
Remove the brush motor (E).
Assemble in the reverse order of disassembly.
Separating the motor from the reduction unit
Disassemble the motor/reduction unit as above indicated.
Remove the nuts (F) xing the motor to the reduction unit.
Carefully lift and remove the motor (E) together with the pinion and bearing.
CAUTION!
To prevent part (H) and part (I) from separating during the motor disassembly/assembly, it is advisable to apply
adhesive tape temporarily to keep the two parts together.
Recover the reduction unit and the oil (J).
Assemble in the reverse order of disassembly, and note these items:
Before installing the new reduction unit, ll in with oil of the type and quantity indicated on the reduction unit data plate
(SAE W 80 - 90 oil). The oil in the tank must cover the gear (K).
Remember to remove the adhesive tape, if applied at step 11.
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