Hitachi DH 25PA, Технические данные и руководство по обслуживанию

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Use of Special Repair Tools
Snap ring pliers [J-200] (See Fig. 9.)
Used to remove the Retaining Ring for D30 Shaft [22] <22> which fixes the Ball Bearing 6906 [23] <23> at
the tip end of the Cylinder [2] <2>.
Spring hook [J-201] (See Fig. 10.)
Used to extract the O-Ring [20] <20> inserted at the inner part of the Retainer Sleeve [15] <15> which is
designed to catch and grip the striker to prevent idle hammering. As shown in Fig. 11, fit the Spring Hook
[J-201] onto the O-Ring [20] <20> from the outer circumference of the O-Ring [18] <18>, and pull it out.
140
45
1.2 dia.
(1) Snap ring pliers [J-200]
Code No. 970976
Fig. 9
All dimensions in millimeters
217
R2
(2) Spring hook [J-201]
Code No. 970977
Fig. 10
Fig. 11
Spring Hook [J-201]
O-Ring [18] <18>
Retainer
Sleeve