Hitachi WH 10DAL, Service Manual, Page: 7 / 12

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Fig. 11 • Reassembly of housing (A).(B) set (2)
Fit the Hammer Case [7] in housing (A) securely.
Hammer Case [7]
Protrusion (for locking)
Fit the protrusion of housing (A) in the notch
of the Motor DC 12 V
[23] (for locking).
Fit the protrusion of the Hammer Case [7] (for
locking) in the concave portion of housing (A).
Fig. 12 • Mounting the guide sleeve
4. Mounting the exterior parts
Cover the assembled housing with the Front Cap [6] .
5. Mounting the guide sleeve
Insert one Steel Ball D3.175 [8] into the hole of the Anvil
[9] . Mount Guide Sleeve (C) [5] , Guide Spring (C) [4] and
Washer (F) [3] in sequence. Mount the Retaining Ring [2]
into the groove of the anvil using J-339 jigs (E) and (F) for
retaining rings.
NOTE: Be sure to replace the Retaining Ring [2] with
a new one because it may be deformed and
Guide Sleeve (C) [5] could come off if the
deformed Retaining Ring [2] is used again.
Push down.
J-339 jig (E)
for retaining rings
Retaining Ring [2]
Washer (F) [3]
J-339 jig (F)
for retaining rings