Hitachi CL 10D2 Technical Data And Service Manual page 29

(h) Confirmation after reassembly
Before mounting the Cover [38]. Install the battery and check the following operations.
( i ) Set the Pushing Button [3] to the
in Fig. 42.
(ii) Set the Pushing Button [3] to the
rotate.
(iii) Pressing the Pushing Button [3] to the
[55] rotates counterclockwise (in the reverse direction of Fig. 42).
(iv) Check that the Pushing Button [3] returns to the
Fig. 42 Rotating direction of the Cam Shaft [55] when the Pushing Button [3] is set to the
position and check that the Cam Shaft [55] rotates clockwise as shown
position and depress the trigger switch. Check that the motor does not
position, depress the trigger switch. Check that the Cam Shaft
Clockwise
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position when releasing the Pushing Button [3].
position