Repair Guide; Precautions On Disassembly And Reassembly - Hitachi Koki DV 13SS F403 Service Manual

REPAIR GUIDE

1. Precautions on Disassembly and Reassembly

The [Bold] numbers in the descriptions below correspond to item numbers in the Parts List and exploded
view assembly diagram for the Models DV 13SS and DV 16SS, and the <Bold> numbers to those in the
Parts List and exploded view assembly diagram for Models DV 13VSS and DV 16VSS.
Disassembly
Note on disassembly: Before starting disassembly, be sure to disconnect the power plug from the power
supply.
1. Removal of the handle cover
Loosen the Tapping Screw (W/Flange) D4 X 20 (Black) [32] <32> and remove the Handle Cover [31] <31>.
2. Removal of the carbon brush
Use a small flat-blade screwdriver to slightly lift the Brush Holders [36] <36>. Then, while pushing the
Carbon Brush [37] <37> to the bottom of the Brush Holders [36] <36>, gently pull out and disconnect the
internal wire terminals. (Figs. 1 and 2)
Fig. 1 Fig. 2
Terminal Carbon brush stop piece
Carbon brush stop piece
Carbon brush [37] <37>
Terminal
Bush Holder [36] <36>
Projection
Push
3. Removal of the gear cover from the housing
Loosen the Tapping Screw (W/Flange) D4 x 60 (Black) [11] <11> and Tapping Screw (W/Flange) D4 x 45
[15] <15>, and then separate the Gear Cover [12] <12> from the Housing [34] <34>. Then remove the
Inner Cover [21] <21> together with the Armature [26] <26> from the Housing [34] <34>.
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