4. Armature ass'y and lock lever
(1)Remove the Brush Cap [161] and the Carbon Brush [160].
(2)Removing the three Machine Screws (W/Washers) M5 x 40 (Black) [157] allows you to remove the Housing Ass’y [155] together with the Handle Cover [164] from the Gear Case [198].
(3)Remove the Lock Lever [177] and the Spring [176].
(4)Remove the two Special Screws M6 [205] and remove the Lock Lever [204] and the Lock Lever Spring [203].
(5)Disassembly of the Armature Ass'y [187]
(a)Remove the Housing Ass'y [155] from the Gear Case [198] according to the above step
(b)Remove the Armature Ass'y [187] by gently hammering the Gear Case [198] with a plastic hammer.
Fig. 42