5
REPAIR
5-1
Armature, Ball bearing 6301DDW/ 6200DDW, Small spiral bevel gear
5-1-1
Disassembling
Carbon brush
Edge of
Brush holder
Spiral spring (The component of Brush holder
[1] Remove two 4x14 Tapping screws from both sides of machine.
Fig. 5-1-1-1
4x14 Tapping screw
[2] Open Brush holder cover L/R of Motor housing.
Brush holder cover R
Fig. 5-1-1-2
Motor housing
[3] Shift Sprial springs from Carbon brushes
to the edges of Brush holders.
[5] Remove four M6x22 Hex socket
head bolt from Bearing box.
[4] Disconnect Carbon brushes from Commutator
by pulling them upward.
Note
: It is not necessarily to remove them from
Brush holders.
Fig. 5-1-1-4
Fig. 5-1-1-3
[6] Remove Bearing box section by tapping
Gear housing complete with a plastic hammer.
Carbon brush
Brush holder
Commutator
Fig. 5-1-1-5
Fig. 5-1-1-6
Bearing box
Bearing box
Plastic hammer
6 / 25