Hitachi C 7UR Service Manual page 5

6. Disassembly of the motor unit
(1) Remove the Brush Caps [45]{42} and take out the Carbon Brushes [44]{41}.
(2) Loosen the Machine Screws M5 x 50 [39]{36} and separate the Housing Ass'y [42]{39} from the Gear
Cover [26]{26}. If the Armature [22]{22} is remained in the Housing Ass'y [42]{39}, gently tap the
Housing Ass'y [42]{39} on the edge of the surface where the Gear Cover [26]{26} is mounted with a
wooden or plastic hammer and remove the Armature [22]{22}.
NOTE: Do not hit the fan of the Armature [22]{22}.
• Disassembly of the motor unit
[53]{56}
[22]{22}
[18]{18}
[17]{17}
[45]{42}
[44]{41}
[34]{32}
[32]{30}
[23]{23}
Fan
-4-
[26]{26}
[33]{31}