Fig. 24 - 9 Contact ring
E. Disassemble the Brush Holder assembly E4A-91-300-000
Push the upper carbon brush with a small
screwdriver and hold them in the end
position below the cover rib.
Insert a thin metal sheet between cover rib
and brush holder E4A-91-300-801.
Push the metal sheet forward to hold down
the upper brush.
Push the lower carbon brush down with
small screwdriver.
Push the metal sheet forward to hold down
the lower carbon brush.
Refer to Fig. 24 - 12 and Fig. 24 - 13.
When the lower and the upper brushes are
hold down, you can remove the cover.
Push the cover backwards out of the brush
holder.
You need force to push down the cover. Make sure that you do not damage the
cover or the brushes!
Do not use a steel brush for cleaning to prevent any damage.
Clean the brush holder and the brush rip
with a soft brush.