Rupes LHR75E Dismantle Pictorial

Updated: Dec 22, 2019

Below is a link to Rupes USA interactive parts page for the LHR75E


For warranty support:

https://rupesusa.com/repairs/


Notice:

This guide is for those that choose to take on the task of maintenance and or repairs to their own machines. If the machine is under a year old, I would suggest you send it in for repair under warranty. Otherwise, continue on!

Use Rupes provided allen key to remove backing plate




Remove the 2 Phillips head screws from the rear of the polisher

With the screws removed, slide the rear of the polisher case back


Now you can see the exposed wiring



The top center plastic is the slider from the switch on/off to the trigger plunger

Located carbon brush (one on each side)

Lift spring to allow for removal of carbon brush


Disconnect end of brush wire


Brush holder now revealing the contact point to the motor

Worn carbon brushes

Next remove the head cap





Locate the 4 Phillips head screws under the counterweight, retaining the plastic shroud cover



Remove the 2 Phillips head screws to remove counterweight



With the plastic shroud removed, you can now separate the the gear box flange from housing





Remove 4 screws to allow for gear box to be removed from the body



Don't loose the spacers



Remove Armature wires from Brush Holder Plate



Pull the Armature from the body

Armature

Contact point of the brushes


Pull plastic cover from Strator

Strator held in by 2 long screws




Strator fed out of the body with leads

Switch removal

Press trigger slide forward (maintaining pressure)

Lift top of switch up and pop it off (while maintaining trigger slide engagement

Switch connection point (visible)

Connection points of switch

Remove switch trigger slide to the rear of the machine (spring loaded)

Spring under slider



Remove power cord secure point

Remove power leads (while unplugged)



Pop speed dial up to disengage



Disconnect speed control leads from trigger



At this point any and all services can be made of repair if need be. To re-assemble the Rupe LHR75E, follow in reverse order, as the switch on/off button needs to be installed before the Strator and or Armature is re-installed.


Hope this helps if you if your machine is out of warranty and or you choose to repair or maintenance you machine on your own. Enjoy!


Please Feel free to comment and or join as more "How-to's" are to come!

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