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ASC & Sales Shop January 2016 M9204 125mm (5”) Random Orbit Sander Model M9204 is a 125mm (5") Random Orbit Sander that has been developed as Makita-mt-series. Its main features are Dimensions: mm (") • New appearance; Features the same design concept as...
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INDEX INDEX ......................................2 CAUTION ....................................3 NECESSARY REPAIRING TOOLS ............................3 REPAIR ......................................4 Switch, Power supply cord and Carbon brush ........................4 4-1-1 Disassembling ................................4 4-1-2 Assembling .................................. 4 Pad 123, Ball bearing 6202DDW and Armature Ass’y ......................4 4-2-1 Disassembling ................................
CAUTION Repair the machine in accordance with “Instruction manual” or “Safety instructions. Follow the instructions described below in advance before repairing: · Wear gloves. · In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what are the parts. It is also recommended to have boxes ready to keep disassembled parts by group.
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REPAIR Switch, Power supply cord and Carbon brush 4-1-1 Disassembling Fig. 4-1-1-1 4x18 Pan head screws (3pcs.) Commutator [1] Switch and Power supply cord are accessible by just removing Top cover and three 4x18 Pan head screws. [2] Remove Brush holders with Carbon brushes as follows: Pull out flag terminals of lead wires from tabs of Brush holder.
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Pad 123, Ball bearing 6202DDW and Armature Ass’y (cont.) Disassembling Fig. 4-3-1-1 [5] Remove Bracket with arbor press. [6] Remove Ball bearings from Armature ass’y using 1R269 and Water pump pliers. Note: here is little space between Ball bearing 606ZZ and Insulation washer / Ball bearing 629DDW and Washer 9. Therefore, hold the jaws of 1R269 with water pump pliers to retain Ball bearing securely.
Circuit diagram Fig. 5-1 Color index of lead wires' sheath Black White Switch AWG20 AWG20 Brown lead wire is used for some countries. Brush holder Straight terminal with lock Field Straight terminal with lock (AWG187,0.5mm) (AWG187, 0.5mm) Brush holder Noise suppressor (if used) Blue lead wire is used for some countries AWG: American wire gauge Wiring diagram...