Makita 4351FCT Technical Information - Page 10

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Makita 4351FCT Technical Information
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[11] Disassembling armature
1. With referring to the following section, disassemble Head covers L and R, and gear housing cover.
[4] Disassembling Head cover section in page 3
[5] Disassembling Gear housing cover section" at page 4
2 . Remove Rear cover by unscrewing 4 x 18 Tapping screw. And then, remove Carbon brushes. (Fig. 34)
Fig. 34
Rear cover
3. Remove Retaining ring S-8, and separate Crank complete, Balance plate and Gear complete from the shaft of Gear
housing as illustrated in Fig. 35.
Note: It is not necessary to remove M4x12 Hex socket head bolt, Crank complete and Gear complete from
Balance plate.
Be careful not to lose Needle bearing 407.
Fig. 35
Retaining S-8
Crank complete
Gear complete
Balance plate
4. Remove four 4x30 Tapping screws, and then separate Gear housing from Motor housing.
Separate Armature from Gear housing by striking Gear housing with plastic hammer. (Fig. 36)
Fig. 36
4x30 Tapping
screws
5. Remove Self lock with slotted screwdriver. Magnet sleeve, Wave washer 6 and Rubber ring 19 are removed from
Armature shaft. Fig. 37.
Fig. 37
Self lock
Carbon brushes
Tapping screw 4x18
Needle bearing 407
Gear housing
Armature
Motor housing
Insulation washer
Ball baring 607
Rubber ring 19
Wave washer 6
Magnet sleeve (It is not used for model 4351T.)
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