mxu 250 300 Workshop-manual : Page 338

Microfiches
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Page 336

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Page 337

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Page 339

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Page 340

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          18. STARTING SYSTEM                                            MXU 300/250


 Check for continuity between the brushes. If
 there is continuity, replace with new ones.




                                                               Bearing
 Check if the needle bearing in the front
 cover turns freely and has no excessive
 play.
 Replace if necessary.
 Check the dust seal for wear or damage.




                                                Dust Seal




                                                  Commutator
 ASSEMBLY
 Apply grease to the dust seal in the front
 cover.
 Install the brushes onto the brush holders.
 Apply a thin coat of grease to the two ends
 of the armature shaft.
 Insert the commutator into the front cover.
 · Be careful not to damage the brush and
     armature shaft mating surfaces.
   · When installing the commutator, the
     armature shaft should not damage the                      Front Cover
     dust seal lip.




18-5