Precautions In Disassembly And Reassembly; Disassembly - Hitachi ce 16sa Service Manual

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.

8-1. Disassembly

(1) Disassembly of the Armature [11]:
1 Loosen the Brush Caps [41], and take out the Carbon Brushes [42].
Loosen the four Tapping Screws D5 x 30 [1], remove the Gear Cover [2], and take out the Armature [11]
2
together with the Inner Cover [8] in a single body from the Housing Ass'y [32].
As illustrated in Fig. 5, support the Inner Cover [8] with an appropriate tubular jig (inner diameter: 63 mm to
3
72 mm), and press down on the pinion portion of the armature shaft with a hand press to loosen and remove
the Armature [11].
(2) Disassembly of the Stator [14]:
1
After the Armature [11] has been disassembled,
loosen the Tapping Screw (W/Flange) D4 x 45 [51],
and remove the Tail Cover [50].
2 Remove the four internal wires from the Stator [14]
connected with the Brush Holder [43], the Pillar Terminal
[39] and the Switch (1P Solder Type) [44].
3 Remove the Fan Guide [12] from the Housing Ass'y [32].
After removing the two Hex. Hd. Tapping Screws D4 x 70
4
[13], gently tap the end surface of the Housing Ass'y
[32] (gear cover side) with a wooden hammer to loosen
and remove the Stator [14] from the Housing Ass'y [32].
(3) Disassembly of the gear cover section:
Loosen the Machine Screw M5 x 12 [20], and remove the Protector [18].
1
2 Loosen the four Tapping Screws D5 x 30 [1] and remove the Gear Cover [2].
3 Remove the Spindle and Gear Set [7].
Loosen the Hex. Socket Hd. Bolt M4 x 10 [24], and remove the Moving Blade [23].
4
5 Loosen the Hex. Socket Set Screw M8 x 20 [3], and remove the Blade Holder [25].
Remove the Connecting Rod Ass'y [5] and Piston [22] from the Gear Cover [2].
6
Fit an appropriate slender rod against either end of the Pin D6 [21], press the slender rod through with a hand
7
press to remove the Pin D6 [21], and separate the Connecting Rod Ass'y [5] and the Piston [22].
Push down
Armature shaft
Fig. 5
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Inner Cover [8]
63 mm to 72 mm dia.
Armature [11]