Makita 4340CT Technical Information page 10

R
epair
< 11 > Disassembling armature (4340T, 4340CT, 4340FCT)
1. With referring to the following section, disassemble handle L and R, and gear housing cover.
"< 4 > Disassembling handle section" at page 3
"< 5 > Disassembling gear housing cover section" at page 4
2. Disassemble retaining ring S-8, and separate crank complete and balance plate from the shaft of gear housing
as illustrated in Fig. 27.
< Note in disassembling >
* No need to disassembling hex socket head bolt M4 x 12 and crank complete from balance plate.
* Be careful, not to lose needle bearing 407.
3. Unscrew 4 pcs. of tapping screws M4 x 30, and separate gear housing from motor housing.
Separate armature from gear housing as illustrated in Fig. 28.
4 pcs. of
tapping screws
M4 x 30
4. Disassemble self lock with small flat head screwdriver. Then, magnet sleeve, wave washer 6 and rubber ring 19
can be disassembled from armature shaft as illustrated in Fig. 29.
5. Disassemble ball bearing 607 LLB from armature shaft as illustrated in Fig. 30.
Retaining S-8
Crank complete
Gear complete
Balance plate
Motor housing
Self lock
Fig. 29
No.1R269 Bearing extractor
Ball bearing 607 LLB
Needle bearing 407
Gear housing
Armature
Insulation washer
Ball baring 607
Fig. 30
Fig. 27
Fig. 28
Rubber ring 19
Wave washer 6
Magnet sleeve
(Magnet sleeve is not used in
model 4341T.)
Insulation washer
P 10 / 16