Hitachi DS10DFL Service Manual - Page 17

2. Reassembly of the drive unit (1) Fit Thrust Plate [8] and Spring [7] sequentially onto Gear Case [9]. (2) Align the most convex feature of Nut [6] with the matching mark on Gear Case [9] as shown in the figure below, and then screw in the nut. Turn Nut [6] clockwise about 360 degrees, and then align the convex feature of Nut [6] with the matching mark on Gear Case [9] as shown in the figure below. Confirm that surface Y of Nut [6] and surface Z of Gear Case [9] are almost at the same level. xReassembly of the drive unit Position to start screwing Position to stop screwing Convex feature of Nut [6] Convex feature of Nut [6] Matching mark on Gear Case [9] Surface Y Nut [6] Matching mark on Gear Case [9] Spring [7] Surface Y Surface Z Surface Z Thrust Plate [8] Gear Case [9] Nut [6] Spring [7] Thrust Plate [8] Gear Case [9] (3) While aligning the matching mark on Gear Case [9] with the projecting part of Click Spring [5], fit Click Spring [5] into the notches on Gear Case [9]. Be sure to orient Click Spring [5] correctly as shown in the figure below. x Fitting of the Click Spring Three notches Projecting part Projecting part Gear Case [9] Matching mark Click Spring [5] -14-