Generic Trigger X 50ccm Owner's Manual page 72

Inspect conduction of contact surfaces between other assemblies.
Confirm the armature shafts between each surface of the
electric brush
电刷
commutator cannot be connected.
Inspect conduction of the housing of startup Confirm the terminal
and housing of the startup electric machinery cannot be
connected. .
Confirm the terminal and housing of the startup electric machinery
cannot be connected.
Inspect conduction of the terminal and electric brush. If there is
disorder, replace is with a new one.
Inspect conduction of the brush holder. If there is conduction,
replace is with a new one. Measure the length of the electric
brush.
Allowable limit：8.5mm(under the value, replace it)
Inspect whether the needle shaft in the front cover is flexible in
rotation and whether it is loosen when pressed in.
If there is disorder, replace is with a new one.
Inspect whether the oil seal is worn out or damaged.
7.3.4 Assembly
Oil seal in the front cover and coating of grease
Mount the electric brush on the brush holder.
Spread grease on the active parts of the electric brush
ends.
Press each electric brush into the holder and mount
the front cover.
*Note
•Take particular care that the contact
surface of the electric brush and armature
can not be damaged.
•Take care in case the mounting shaft of
the armature should damage the oil seal lip.
Mount the new gasket ring to the front cover.
Install the motor housing by aligning its bolt holes
with those in the front cover.
Screw the housing bolts.
*Note
When the housing and front cover is
assembled together, the armature is easy to
pull up with a magnet attracting the front
cover and can be put together with slight
press down by hand.
7.3.5 Installation
Mount the wire of the startup electrical machinery
and confirm the soldering cup is installed.
Then install the startup electrical machinery.
Install the wire clamp of the rear brake.
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