Hitachi G 13SR, Технические данные и руководство по обслуживанию

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8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY
The [Bold] numbers in the descriptions below correspond to the numbers in the Parts Lists and exploded
assembly diagrams for G 13SR.
8-1. Disassembly of the Armature
(1) Loosen the Machine Screw (W/SP. Washer) M5 x 16 [26] and remove the Wheel Guard Ass'y [28].
(2) Remove the Brush Caps [40], and take out the Carbon Brushes [41].
(3) Loosen the Tapping Screws D5 x 25 [1], and remove the Gear Cover Ass'y [4]. Separate the Inner Cover [9]
from the Housing Ass'y [36] with a flat-blade screwdriver, and remove the Inner Cover [9] together with the
Armature [10].
(4) Holding the Armature [10], loosen the Special Nut M7 [5] with a wrench, and remove the Pinion [6].
(5) Support the Inner Cover [9] with a tubular jig (inner diameter 63 --- 72 mm is recommended), and push down
on the armature shaft with a hand press to remove the Armature [10]. (See Fig. 4.)
8-2. Disassembly of the Stator Ass'y
(1) After removing the Armature [10], disconnect the lead
wires of the Stator Ass'y [12] from the Slide Switch [44].
Then, remove the Brush Terminals [13] from the Brush
Holders [42].
(2) Loosen the Hex. Hd. Tapping Screws D4 x 70 [11], and
remove the Stator Ass'y [12].
8-3. Disassembly of the Gear
(1) Loosen the Seal Lock Screw (W/SP. Washer) M4 x 12 [23],
and remove the Packing Gland [22] together with the
Spindle [25], and Gear [17] from the Gear Cover Ass'y [4]
in a single body.
(2) As illustrated in Fig. 5, support the angled surface of the
Gear [17] with a J-129 gear puller (special repair tool,
Code No. 970905), rest the J-129 gear puller on a J-130
sleeve (special repair tool, Code No. 970907), and push
down on the tip of the Spindle [25] with a hand press to
remove the Gear [17].
Fig. 4
Fig. 5
Push down
[9] Inner Cover
Dia. 63 --- 72 mm
[10] Armature
Armature
shaft
Push
J-129 Gear puller