Precautions In Disassembly And Reassembly; Disassembly - Hitachi W 6VB3 Technical Data And Service Manual

Hide thumbs Also See for W 6VB3:

Table of Contents

8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY

The numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly

diagram. The [BOLD] numbers are for the Model W 6VB3, the <Bold> numbers for the Model W 8VB2.

A. Disassembly of the parts within the handle

(1) Removal of the Handle Cover [49] <47>

Loosen the three Tapping Screws (W/Flange) D4 x 20 (Black) [50] <48>, and remove the Handle Cover

[49] <47>.

(2) Removal of the Carbon Brushes (Auto Stop Type) (1 Pair) [33] <33>

With a small flat-blade screwdriver, lift up on the spring, and pull the Carbon Brush (Auto Stop Type)

(1 Pair) [33] <33> out from Brush Holder (A) [32] <32> slightly. Next, pull out the terminal portion of

Carbon Brush (Auto Stop Type) (1 Pair) [33] <33> from the Brush Holder (A) [32] <32>. Remove the

carbon brushes from both sides in the same manner.

(3) Removal of the Cord [41] <39>

After loosening the two speed control switch retaining screws, loosen the two Tapping Screws (W/Flange)

D4 x 16 [43] <41> which retain the Cord Clip [42] <40>, and remove the Cord [41] <39> together with the

Cord Armor D8.8 [40] <38>.

B. Removal of the armature and stator

(1) Removal of Armature (D) [24] <24>

Remove the three Tapping Screws D4 x 25 (Black) [7] <7> from Gear Cover Ass'y (B) [8] <8>, and remove

Inner Cover Ass'y (A) [23] <23> with Armature (D) [24] <24> from the Housing [39] <37>. And as

illustrated in Fig. 5, Inner Cover Ass'y (A) [23] <23> can be removed from Armature (D) [24] <24> by

utilizing a J-130 sleeve (special repair tool, Code No. 970908) and a J-131 plate (special repair tool, Code

No. 970909).

(2) Removal of the Stator [27] <27>

First, remove the Fan Guide [25] <25> from the inside of the housing. Then, loosen the two Hex. Hd.

Tapping Screws D4 x 50 [26] <26>, and lightly tap the end surface of the Housing [39] <37> with a wooden

hammer to loosen and remove the Stator [27] <27>.

Fig. 5

--- 11 ---

Table of Contents

W 8vb2