Hitachi CL 10SA Technical Data And Service Manual page 21

(2) Reassembly of the housing section
(a) Second Pinion [41] (Fig. 32)
Before inserting the Needle [43] in the Second Pinion [41], apply grease (Nippeco SEP-3A) to the inner
circumference of the two Idle Gears [42]. Mount the Washer [44] facing its smaller diameter side to the Ball
Bearing 6001VVCMPS2L [45]. Mount the Washer [39] and then the Retaining Ring for D15 Shaft [38] using
the stop ring pliers. Press-fit the Ball Bearing 6001VVCMPS2L [45] and the Ball Bearing 609VVC2PS2L [37].
(b) Planet gear (Fig. 33)
First, apply grease (Nippeco SEP-3A) to the inner circumference of the Ring Gear [40]. Mount the pinion of
the Armature [21] mounted with the Stator [22] and the Brush Block Ass'y [25] to the Second Pinion [41]
assembled according to the above step (a) and then mount the Ring Gear [40]. Check that the Ring Gear [40]
and the Second Pinion [41] are rattling. If there is no rattle (gears are not engaged properly), the motor will be
locked. Mount this assembly to Housing (A) [2] mating the protrusion of the Ring Gear [40] to the groove of
Housing (A) [2].
[38] [39] [41]
[37]
[40]
Protrusions (Upeer and lower)
[42]
[43]
Smaller diameter side
[44]
Fig. 32
[43]
Housing (A) [2]
Fig. 33
--- 18 ---
[45]
Check that the
[40]
Ring Gear [40]
and the Second
Pinion [41] are
rattling in a
direction at the
right angle to the
straight line
connecting the
two Needles
[41]
[43].