Hitachi H 65SD Technical Data And Service Manual page 6

(1) Mounting air tool shank tools and standard hex. shank tools (combo type)
(2) Mounting standard hex. shank tools (combo type) and retaining groove tools without collars
4-1-3. Vibration-absorbing handle for less operator fatigue
There are two vibration-absorbing rubber pads, illustrated below, designed to efficiently absorb the vibration from
the main body of the tool and minimize its transmission to the arms of the operator. One is mounted between the
handle and the gear cover; the other is mounted between the handle and the housing.
Fig. 2
Fig. 3
Vibration-absorbing rubber
Vibration-absorbing rubber
Fig. 4
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Handle side