Hitachi G 18SR, Технические данные и руководство по обслуживанию

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Fig. 8
8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY
The [Bold] numbers in the descriptions below correspond to the numbers in the Parts List and the exploded
assembly diagram for the Models G 18SR and G 23SR, and the <Bold> numbers to those in the Parts List and
the exploded assembly diagram for the Models G 18SRU and G 23SRU.
8-1. Disassembly
(1) Removal of the Armature [13] <13>
1. Loosen the Bolt M8 x 22 [29] <29> , and remove the Wheel Guard Ass'y [30] <30> .
2. Remove the Brush Caps [45] <53> , and take out the Carbon Brushes (1 Pair) [46] <54> .
3. Remove the four Tapping Screws (W/Flange) D5 x 35 (Black) [2] <2> . The Armature [13] <13> can then be
taken out simultaneously with the Gear Cover Ass'y [5] <5> , Packing Gland [27] <27> , and related parts.
4. Remove the four Hex. Socket Hd. Bolts (W/Flange) M5 x 16 [28] <28> .
5. After removing the two Seal Lock Screws (W/Sp. Washer) M5 x 14 (Black) [1] <1> , the Armature [13] <13> can
be extracted together with Bearing Cover (A) [12] <12> and the related parts.
6. Carefully wrap the Armature [13] <13> with a soft, clean rag to protect it from being damaged, and clamp it
securely in a vise. Then, remove the Special Nut M10 [6] <6> and extract the Pinion [7] <7> .
7. For the models indicated under Fig. 8, the Ball Bearing 6301VVCMPS2L [10] <10> can be removed from the
Armature [13] <13> by utilizing a J-204 Bearing Puller (special repair tool, Code No. 970982) as illustrated.
After the ball bearing has been removed, Bearing Cover (A) [12] <12> can be easily taken off.
Bearing puller (Code No. 970982)
Push