Motor Section - Makita 6411 Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Gear Section (cont.)
ASSEMBLING
1) Assemble Gear section as illustrated in Fig. 9 to Fig. 12.
2) Assemble Gear section to Housing (L). (Fig. 5 in page 4)
Fig. 9
1) Assemble Ball bearing to Spindle
using 1R031 and arbor press.
Spindle
Ball bearing 6902ZZ
1R031
Fig. 11
Ball bearing
6902ZZ
1R273

[3] -3. Motor Section

DISASSEMBLING
1) After separating Housing (R) from Housing (L), disconnect Carbon brushes from Armature commutator by pulling off
Brush holders from Housing (L). Disassemble Motor section from Housing (L). (Fig. 13)
2) Pull out Armature from Field. (Fig. 14)
Fig. 13
Housing (L)
3) Assemble Helical gear 35 to Spindle using 1R273
and arbor press.
Note:
Helical gear 35 is not reversible when assembled
to Spindle. The flat side of the gear must face
towards Ball bearing 6902ZZ.
flat side
Helical gear 35
grooved side
flat side
Motor section
Brush holder
Carbon brush
Armature commutator
Leaf spring
Carbon brush
Brush holder
Fig. 10
2) Fix Ball bearing 6902ZZ by assembling
Ring spring 13 to Spindle using 1R004.
Note:
If Ring spring 13 is deformed or damaged
when removed from Spindle, be sure to
replace it with new one.
Ring spring 13
Fig. 14
Armature
Fig. 12
4) Assemble Ball bearing 606ZZ
to Spindle using arbor press.
Ball bearing 606ZZ
Field
P 5/12