Hitachi WR 22SA Impact Driver User Manual


 
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(2) Hammer Case Ass'y [3]
Mounting the hammer
(a) Put the thirty-eight Steel Balls D3.97 [9] in between the Hammer [8] and the Hammer Washer [10].
(b) Mount the Spring [11] and the Spring Seat [12] to the Hammer [8] then insert the Spindle [17] into it. Push
the click of the Hammer [8] with a hand press and keep it at the position where the Spring [11] is
compressed fully. Push the Hammer [8] so that the Spindle [17] cam top is aligned with the steel ball guide
at the Hammer [8].
(c) Put the two Steel Balls D7.14 [7] in the steel ball guide. Check that these Steel Balls D7.14 [7] are in the
cam groove. Then release the hand press.
(3) Mounting direction of the Packing Washer [25]
Insert the Packing Washer [25] into the Inner Cover [23] in the proper direction together with the Felt Packing
[24] when mounting the Armature [27] to the Inner Cover [23].
(4) Mounting the cord clip
Fig. 10
Fig. 11
[23] [25] [27][24]
[48]
[49]
Cord dia. : 8.5 mm max. Cord dia. : Over 8.5 mm