Disassembling/Assembling Starter Motor - BMW F 650 GS Repair Manual

9
Disassembling/assembling
12 41 103
starter motor
•
Remove necked-down bolt (9).
•
Remove armature bearing cover (8) complete
with brush-holder plate (6).
L
Note:
Note thrust washers (2).
•
Remove fastener of positive contact (7), lift out
brush holder and replace carbon brushes if
necessary.
•
Remove front cover (5).
•
Remove armature (3) from housing (1).
•
Using puller, BMW No. 00 8 400, pull the ball
bearing (4) off the armature shaft.
L
Note:
The insulation should be 0.5 mm (0.0197 in) deeper
than the commutator discs: if necessary, remachine
with commutator saw.
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
•
Use a suitable tool such as a socket or similar to
press the ball bearing onto the armature shaft.
•
Using protective jaws, clamp the armature in a
vise and slide the brush-holder plate into posi-
tion, pushing the carbon brushes back for clear-
ance.
12.10
1
2
8
7
10
L
Note:
Make sure that the mark on the housing (arrow) is
aligned with positive contact point (10).
X
Tightening torque:
Necked-down bolt, starter housing ................ 5 Nm
Positive contact to starter motor .................... 4 Nm
3
4
6
5
E120020
E120070