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(3) Replacement of Stator Ass'y (D) [20] <20>
1. Pull out the Armature [12] <12>, then pull out the Fan Guide [13] <13> from the Housing Ass'y [24] <24>.
2. Loosen the Tapping Screw (W/Flange) D4 x 20 (Black) [48] <48> and remove the Tail Cover [47] <47>, Grip
Cover [49] <49> and Handle Cover [28] <28>.
3. Loosen the Machine Screw (W/Washer) M3.5 x 6 [29] <29> and remove the Terminal [26] <26> connected to
Switch (A) [32] <32>.
4. Cut the internal wire connected to the Connector [31] <31> with nippers or loosen the screw of the Pillar
Terminal [39] <39> and disconnect the internal wire of Stator Ass'y (D) [20] <20> from the Pillar Terminal [39]
<39>.
5. Remove the Brush Terminal [21] <21> from the Brush Holder [35] <35>.
6. Remove the Hex. Hd. Tapping Screw D5 x 45 [19] <19> and remove Stator Ass'y (D) [20] <20> from the
Housing Ass'y [24] <24>. If it is difficult to remove Stator Ass'y (D) [20] <20> from the Housing Ass'y [24]
<24>, heat the Housing Ass'y [24] <24> to about 60ûC to make the removal work easier.
(4) Replacement of the First Gear [17] <17> and the Ball Bearing 6201DDCMPS2L [5] <5>
1. Remove the Gear Cover Ass'y [8] <8> from the Inner Cover [9] <9>.
2. Fix the Gear Cover Ass'y [8] <8> to the vise and remove the Bearing Cap [3] <3> with an J-21 Wrench or a
flat-blade screwdriver and a hammer. At this time, be careful that the Bearing Cap [3] <3> has a left-hand
thread.
3. As shown in Fig. 9, support the end surface of the Gear Cover Ass'y [8] <8> with an appropriate cylindrical jig
(about 35 mm inside dia.). Push the end surface of Spindle (B) [4] <4> with a hand press to remove the First
Gear [17] <17>.
4. Remove the Retaining Ring for D12 Shaft [6] <6> from Spindle (B) [4] <4>.
5. Remove the Ball Bearing 6201DDCMPS2L [5] <5> from Spindle (B) [4] <4> using the J-30 Bearing Puller
(Code No. 970804).
Push
Fig. 8
--- 7 ---
J-204 Bearing Puller
(Code No. 970982)
J-130-2 Sleeve
(Code No. 970908)
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