Hitachi DH 36DL, Технические данные и руководство по обслуживанию, Страница: 17 / 54

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Disassembly of the cylinder and the second hammer
Replacement of the carbon brushes
5. Disassembly of the armature and the housing
After disassembly of the striking mechanism section, remove the Machine Screw M4 x 8 [81] from the Grip
Cover [80] and remove the Grip Cover [80] to show the carbon brushes. Hook the Spring [59] on the edge
of the carbon brush tube. Remove the Tapping Screw (W/Flange) D4 x 16 (Black) [52] from the Inner Cover
Ass'y [39] . Then the Inner Cover Ass'y [39] can be removed together with the Armature and Pinion Ass'y
[55] . At this time, be careful not to damage the carbon brushes. The Inner Cover Ass'y [39] and the
Armature and Pinion Ass'y [55] can be removed just by pressing the Pinion [50] slightly with a press
because there is an interference of the O-ring (P-22) [53] . The housing is constructed of two parts. Remove
the Tapping Screw (W/Flange) D4 x 20 (Black) [63] to disassemble the housing.
6. Disassembly of the carbon brush holder
After disassembly of the housing, remove the Tapping Screw (W/Flange) D4 x 16 (Black) [52] to
disassemble the carbon brush holder.
7. Replacement of the carbon brushes
Remove the Grip Cover [80] to show the carbon brushes. Pinch the terminal of the Carbon Brush [61] with
a pair of long-nose pliers and pull it out of the carbon brush holder. Hook the Spring [59] on the Carbon
Brush [61] with a flat-blade screwdriver and remove the Carbon Brush [61] .
Punch
Hammer Holder [28]
O-ring (B) [29]
O-ring (1AP-20) [27]
Damper (A) [30]
5-mm diameter hole (2 pcs.)
Damper Holder [32]
O-ring (C) [31]
Stopper Ring [33]
Terminal
Long-nose pliers
Carbon
Brush
[61]
Spring [59]
Flat-blade
screwdriver
Second Hammer [26]
Tap with a hammer.