Hitachi WR 22SA Impact Driver User Manual


 
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(2) Removal of the Spring [11]
Push the click of the Hammer [8] with a hand press and keep it at the position where the Spring [11] is
compressed fully. Remove the two Steel Balls D7.14 [7] from the steel ball guide at the cam portion of the
Spindle [17] and the Hammer [8] with a flat-blade screwdriver. Then release the hand press and remove the
Hammer [8] from the Spindle [17] to remove the Spring [11]. Be careful not to lose the thirty-eight Steel Balls
D3.97 [9] and the Hammer Washer [10] mounted between the Hammer [8] and the Spring [11] during
disassembly.
Fig. 5
[8]
[10]
[11]
[12]
[17]
[9]
Fig. 4
Hammer click
Steel ball guide
Steel ball
Spindle cam top
Hammer
Spindle
[7]