Precautions In Disassembly And Reassembly; Disassembly Of The Armature Ass'y And The Lock Lever Ass'y - Hitachi S 15SA Technical Data And Service Manual

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8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY

The [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List and exploded

assembly diagram for S 15SA and the <Bold> numbers to those in the Parts List and exploded assembly diagram

for S 18SA.

(1) Loosen the two Brush Caps [23] <23>, and take out the Carbon Brushes [22] <22>.

(2) Remove the four Tapping Screws D5 x 45 [7] <7>, and remove the Gear Cover [8] <8>, and related parts.

The Armature Ass'y [13] <13> can then be taken out together with the Inner Cover [10] <10>, the Lock Lever

[12] <12>, and related parts.

(3) As illustrated in Fig. 3, the Inner Cover [10] <10>, and related parts can be removed from the Armature Ass'y

[13] <13>, and related parts by utilizing a J-130 sleeve (special repair tool, Code No. 970907) and a J-131

plate (special repair tool, Code No. 305711).

(4) The Ball Bearing [11] <11> can be removed from the Armature Ass'y [13] <13> by utilizing the J-30 bearing

puller ass'y (special repair tool, Code No. 970804).

After the Ball Bearing has been removed, the Lock Lever [12] <12> can be easily taken off.

(5) As illustrated in Fig. 4, the Ball Bearing [15] <15> can also be removed from the Armature Ass'y [13] <13> by

utilizing the J-130 sleeve (special repair tool, Code No. 970907) and a J-204 bearing puller (special repair tool,

Code No. 970982).

After the Ball Bearing has been removed, the Dust Seal [14] <14> can be easily taken out.

Push

Fig.3

J-131 plate

(Code No. 305711)

J-130 sleeve

(Code No. 970907)

--- 8 ---

Push the rear of the

armature shaft

J-204 bearing puller

(Code No. 970982)

Fig.4

J-130 sleeve

(Code No. 970907)

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