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(2) Removal of the Hammer Case [7] <3> and the hammer assembly
Remove the four Tapping Screws (W/SP. Washer) D4 x 25 (Black) [6] <2> that connect the Hammer Case [7]
<3> with Housing (A). (B) Set [33] <28> and remove the Hammer Case [7] <3> and the hammer assembly
from Housing (A).(B) Set [33] <28>.
(3) Disassembly of the hammer assembly
Washer (S) [15] <10>
Push down.
Spindle [17] <12>
Hammer Spring
[14] <9>
Stopper [16] <11>
J-297 base for washer (S)
Fig. 6
Mount the hammer assembly onto the
J-297 base for washer (S). With a hand
press, push down the top of the Spindle
[17] <12> to compress the Hammer Spring
[14] <9>. In this position, remove the
Stopper [16] <11> with a flat-blade
screwdriver, then release the hand press.
(See Fig. 6.)
Remove the hammer assembly from the J-297 base for washer (S) and support the end surface of the Spindle
[17] <12>. With a hand press, push down either of the raised faces of Hammer (A) [11] <6> to compress the
Hammer Spring [14] <9>. In this position, extract the two Steel Balls D5.556 [10] <5> from the cam grooves
of the Spindle [17] <12> and Hammer (A) [11] <6> with a small flat-blade screwdriver or a similar tool. Then,
slowly release the hand press and lift Hammer (A) [11] <6> and Washer (S) [15] <10> together to extract them
from the Spindle [17] <12>. The Hammer Spring [14] <9> can then be removed.
Steel ball guide groove
Spindle [17] <12>
Hammer (A) [11] <6>
Raised faces of hammer
Top of spindle cam
Steel Ball D5.556 [10] <5>
Fig. 7
(4) Removal of the Carbon Brushes 5 x 6 x 11.5 [29] <24>
Remove the two Brush Caps [30] <25>. Catch the flanges of the Carbon Brushes 5 x 6 x 11.5 [29] <24> with
a small flat-blade screwdriver or a similar tool and remove the Carbon Brushes [29] <24> at both sides.
